1 / 25

HOMIBHABHA BIOLOGY

HOMIBHABHA BIOLOGY

MTLAKSHYA
Download Presentation

HOMIBHABHA BIOLOGY

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 11.Enzymes are absent in CELL (A)Algae (B) plants (C) viruses (D) bacteria 1.The red colour of the tomato is due to 12.Iodine test is used to detect (A)Ieucoplast (B) Chromoplast (A)Fats (B) Carbohydrates (C) Chloroplast (D) none of these (C) protein (D) Vitamin 2.The cellular structure concerned with intra cellular 13.Cellulose is a polymer of a digestion is - Glucose b (A) - Glucose (B) (A)Mitochondria (B) chloroplast - Fructose a - Fructose b (C) (D) (C) ribosome (D) Iysosome 3.Power house of the cell is 14.In which of the following nucleoid is present? (A)Mitochondria (B) Ribosome (A) Plant Cell (B) Animal cell (C) Lysosome (D) Golgi body (C) Green algae cell (D) Bacterial cell. 4.‘Physical basis of life’s is the used for 15.Cell organelle surrounded by a single unit membrane (A)cytoplasm (B) Protoplasm is (C) Nucleoplasm (D) Sarcoplasm (A) mitochondria (B) chloroplsat 5.Cell was discovered by (C) Isysosome (D) nucleus (A)Robert Brown (B) Robert Hooke 16.Protein Formation is related to (C) Leewenhoek (D) Whittaker (A) mitochondria (B) ribosomes 6.Prokaryotic cell is (C) Iysosomes (D) nucleus (A) Bacterial Cell (B) Amoeba 17.Smallest cell so far known is (C) nerve cell (D) Human bone cell (A) Bacteria (B) cyanobacteria 7.Centrioles and centrosomes occur in the cell of (C) PPLO (D) Virus (A)Green plants 18.The bacterial cell wall made up of (B) animals (A) Polypeptide (B) cellulose (C) bacteria and Cyanobacteria (C) mucopolypeptide (D) lipid & protein (D) Both B and C 19.Protein packaging is done by 8.Semi autonomous organelle is (A) nucleus (B) nucleolus (A)Endoplasmic reticulum (C) golgi apparatus (D) E.R. (B) Iysosome 20.Dictyosomes are (C) Peroxisoem (A) Class of ribosomes (B) respiratory particles (D) Chloroplast (C) pigment storing granules(D) Golgi bodies 9.Lysosome are store house of – 21.In humans the number of chromosomes in a haploid (A) Proteins (B) hydrolytic enzymes cell is (C) ATP (D) Sugar (A) 23 (B) 46 10.Who proposed the cell theory? (C) 44 (D) 30 (A) Schleiden (B) Schwann 22.In metacentric chromosomes. Position of centromere (C) A and B both (D) None of the above is- 1

  2. 32.Elephants eat grass and both have cells. Read the (A) terminal (B) middle (C) subterminal (D) none of these following statements regarding cells. Identify the 23.In plant cells, cytokinesis occurs by- correct ones. (A) Cell plate (B) invagnation (NTSE Stage-II/Raj./2008) (A)Elephant cells are bigger that than grass cells. (C) furrowing (D) all of these are correct 24.Chromosomes are distinctly visible in- (B)Elephant cells have plastids and small Vacuoles. (C)Grass cells have cell walls and vacuoles. (A) anaphase (B) metaphase (D)Grass cells have cilia and chloroplasts. (C) prophase (D) Telophase 25.In electron microscope, the source of light used is- (E)Elephants cells have cell membrane and (A) ordinary daylight (B) ultraviolet mitochondria. (C) infrared (D) beam of electrons 26.Which nitrogen base is present only in RNA? Which one of the following alternatives is correct? (A)A and C (NTSE Stage-I/Raj./2007) (B) B and C (A) Adenine (B) Guanine (C) C and E (D) D (C) Thymine (D) Uracil 27.If a nucleus is removed from a living cell, the remaining part will be- (NTSE Stage-I/Raj./2007) TISSUE (A) Nucleoplasm (B) Protoplasm (C) Cytoplasm (D) Cell Sap 1.A tissue is 28.True statement is – (NTSE Stage-I/Raj./2007) (A)A group of separate organs that coordinates in (A) Plant cell has cell membrane. their activities (B) Number of Ribosome is constant. (B)A group of cells which are similar in function (C) Protein synthesis is done in plastids. and structure (D) The shape of animal cells is spherical (C)Layer of cells that surrounding an organ 29.Synthesis of protien in cell occurs at- (D)Sheet of cells that is one layer thick (NTSE Stage-I/Raj./2008) 2. The wall of cork cells are heavily thickened by the (A) Nucleus (B) Chloroplasts deposition of (C) Cell membrane (D) Ribosomes (a)Cutin (b) suberin 30.Suicidal bags of cell are- (c) lignin (d) pectin (NTSE Stage-I/Raj./2008) 3.Which muscle cell is spindle shaped? (A) Lysosomes (B) Ribosomes (a)Smooth muscle cell (C) Centrosomes (D) Nucleosomes (b)Striated muscle cell 31.Genetic Characters of a living being are transmitted (c)Cardiac Muscle cell to the offsprings by- (d)None of these are correct (NTSE Stage-I/Raj./2008) 4.Blood is formed of- (A) Ribosomes (B) Chromosomes (A)Plasma and bone marrow cells (C) Plasma (D) Lysosomes 2

  3. (B)Plasma, white & red blood cells and blood (D)Conduction of water 14.Which of the following tissue is composed of mainly platelets. (C)Plasma & WBC dead cells? (D)Plasma & RBC (A)Phloem (B) Epidermis 5.Myelin sheath is a layer covering- (B) Endodermis (D) Endodermis (A)Vertebrate nerve fibre 15.Active division take place in the cells of: (B)Vertebrate muscle fibre (A)Xylem (B) Phloem (C)Insect nerve fibre (B)Sclerenchyma (D)Cambium (D)Chick embryo 16.Match the items of : 6.Adipose tissues store- Column A Column B (A)Protein a)Platelets (B) carbohydrates (1) attach bone with muscle b)Neuron (C) Fat droplets (D) All of the above (2) locomotion 7.A protective noncellular layer found on the outside c)Tendon (3) blood coagulation d)Striated muscle of plant organ is- (4) respond to stimuli (A)Epiblema (B) Velamen Which of the following is correct? (A)(a-2), (b-3), (c-4), (d-1) (C) Cuticle (D) Cork 8.Contraction and relaxation are unique features of (B)(a-3), (b-4), (c-1), (d-2) (A)Epithelial tissue (C)(a-4), (b-1), (c-2), (d-3) (B) Connective tissue (D)(a-1), (b-2), (c-3), (d-4) (C) Muscle tissue (D) Nervous tissue 9.Specialised parenchyma occurring in aquatic plants ADAPTATION is- 1.Vivipartiy is found in – (A) Hydrilla (C) Rhizophora 2. The delicate, flexible and thin stem is the characteristic feature of (A) mesophytes (C) halophytes 3.Plants adapted to open, sunny habitats are (A) sciophyetes (C) mesophytes 4.Plants growing under shade of other plants are (A) epiphytes (C) mesophytes 5.Sun plants have (A) More mechanical tissues (B) extensive root system (C) abundant flowering (D) all the above 6.Root system of hydrophytes. (A) Well develop (C) None (A)Prosenchyma (B) chlorenchyma (B) Nerium (D) Aloe (C) Aerenchyma (D) None of the above 10.Root hair are- (A)Unicellular (B) multicellular (B) hydrophytes (D) Xerophytes (C) acellular (D) mixed type 11.Sive tubes are found in – (A)Xylem (B) phloem (B) heliophytes (D) epiphytes (C) cortex (D) pith 12.Apical meristem, intercalary meristem and lateral (B) semi-epiphytes (D) sciophytes meristem are differentiated on the basis of- (A)Development (B) position (C) function (D) origin 13.Phloem in the plants does the function of – (A)Photosynthesis (B)Providing support (C)Conduction of food (B) Poorly develop (D) All of the above 3

  4. 7. In aerial animals the forelimbs are modified into- (A) wings (C) body 8.Organisms that live on trees are called- (A) aerial (C) terrestrial 9.Extensively develop root system is characteristic feature of- (A) sciophytes (C) mesophytes 10.Aerenchyma is found in which plants? (A) sciophytes (C) mesophytes 11.Pneumatophores are the modification of – (A) roots (C) stems 12.Sunken stomata are present in which plants? (A) mesophytes (C) Halophytes 13.Which one of the following is the example of xerophyte? (A) opuntia (C) Vallisneria 14. Stems are soft and spongy, containing a large number of air spaces, is the modification of which plants? (A) Mesophytes (C)Halophytes 15.Animals have moist and slimy skin, which helps in breathing are the adaptations of – DISEASES (A) Aquatic animals (C) Amphibians animals(D) All of these 16.The hones are light, hollow, spongy and contain many air cavities, are the adaptations of- (A) Aquatic animals (C) Amphibians animals (D) All of these 17.The flightless birds are – (A) Ostrich (C) Penguins 18.Hibernation means- (A) winter-sleep (C) A & B 19.Aestivation means- (A) winter-sleep (C) A & B 20.Respiratory organs of amphibians are- (A) lungs (C) skin 21.Wool yielding animals bear thick coat of hair because (A) The animal carry a lot ofhair follicles on body only (B) it protects them from the predators (C) hairs trap a lot of air, which is a poor conductor of heat (D) the animals can sleep happily on the rough surfaces (B) Aerial animals (B) hind limbs (D)air- chambers (B) arboreal (D) aquatic (B) Aerial animals (B) Emu (D) All of these (B) xerophytes (D) epiphytes (B) summer-sleep (D) None of these (B) hydrophytes (D) epiphytes (B) summer-sleep (D) None of these (B) leaves (D) rhizomes (B) Hydrophytes (D) Xerophytes (B) gills (D) all of these (B)Hydrilla (D) Potamogeton (B) Hydrophytes (D) Xerophytes 4.Bacteria have the following cell organelle. (A)Mesosomes (B) Golgibodies (C) Mitochondria (D) Chlorophyll 1.Food poisoning is caused by 5.Who laid the foundation of bacteriology? (A)Clostriduim botulinum (A)A.V.Leeuwenhoek (B) Louis Pasteur (B)Salmonella typhosa (C) Robert Koch (D) De mitri lvanovasky (C)Clostridium tetani 6.The group of bacterial diseases is: (D)None of these (A) Mumps, Measles, Kala azar and Cholera 2.Which of the following is a bacterial disease- (B) Small pox, Tatanus, trichinosis and French fever. (A)TB (B) Rabies (C)Measles, Polio, Diptheria and Tetanus (C) Malaria (D) Small pox (D) Cholera, Typhoid, Diphtheria and Tetanus 3.Malaria disease spreads through- 7.Deficiency diseases are (A) Anopheles mosquito(B) Aedes mosquito (A)Communicable diseases (C) Culex mosquito (D) none of these 4

  5. (B) non Communicable diseases (C) Salk and Jenner (D) Salk & Sabin 18.Viruses are (C) allergies (D) none of these (A)obligate parasites 8. Deficiency of iron causes (B) obligate saprophytes (A) pellagra (B) scurvy (C)partial parasites (C)anaemia (D) beri beri (D) facultative parasites 9.Anaemia is caused due to the lack of 19.Which of the following disease is transmitted by ani- (A) Calcuim (B) Iodine mal bite? (C) Iron (D) Magnesium (A)AIDS (B) Rabies 10.Sunshine vitamin is (C)Tetanus (D) Tuberculosis 20.Diatom is the another name of (A) vita.A (B) vita-D (C) vita-K (D) vita-E (A)green algae (B) red algae 11.In polio, the legs get paralysed and atrophied due to (C)brown algae (D) golden algae 21.Haemophilia is a example of (A)obstruction of muscles (B) degeneration of bones (A)congenital (C) death of some muscles (B)acquired diseases (D) shrinkage of muscles. (C)communicable disease 12.AIDS is caused by (D) infectious disease 22.Bacteria living in human intestine which synthesizes (A)fungus (B) virus (C) bacterium (D) helminth. vitamin B complex is 13.Full form of AIDS is (A)E.Coli (B) Azotobacter (A) Ani-Immune Deficieny Syndrome (C) Clostridium (D) None of these 23.An insect which transmits a disease is known as (B) Ani- Immune Disease Syndrome (C)Acquired Immuno Deficiency Syndrome (A)intermediate host (B) Parasite (D)Acquired Immune Disease Symptoms. (C) Vector (D) Prey 14.Which of the following diseases is caused by virus? 24.Quinine is extracted from (A)Tuberculosis (B) Smallpox (A)Bard of Cinnamomus (C)Cholera (D) Diphtheria (B) Leaves of Ocimum 15.Hydrophobia is caused by (C) Leaves of Cinnamomum (A) acute virus (B) bacteria (D) bark of Cinchona 25.A disease causing organism is called as- (C) rabies virus (D) tubercle 16.An antiviral protein which might help in curing viral (A)virus (B) antibody disease in future is (C) pathogen (D) Fungus 26.Immunization is indused in a body by- (A) antibody (B) histone (C) nucleoprotein (D) interferon (A)Antibiotics (B) Vaccination 17.Oral vaccine of Polio was developed by- (C)Sterlization (D) Blood transfusion (A) Jenner & Sabin (B) Koch & Salk 5

  6. 27.Which of the following disease is caused by (D)All fungi have a cell wall composed of cellulose, bacteria? a nitrogen containing polysaccharide. (A) Small pox (B) Polio Which one is the correct alternative? (A)B,C and D are true, A is false (C) AIDS (D) Cholera 28.Sleeping sickness is caused by a protozoan Trypano (B)A,C and D are true, B is false (C)A, B & D are true, C is false –soma. This protozoan is present in the salivary (D)A,B & C are true, D is false gland of a blood sucking insect. 31. Which desease is cured by DOTS strategy? The name of that insect is: (A)T.B. (A)Culex mosquito (B) Anopheles mosquito (B) Typhoid (C) Fruit fly (D) Tsetse fly (C) Rabbies (D) Malaria 29.Read the following passage: 32.Diagnostic test for AIDS is – (A)Widal Test When tissue culture raised pine plants were planted (B) Lepamin test in a nursery they did not survive. But when a small (C) Elisa test (D) Biopsy 33.Virus was discovered by – amount of soil from the hills where pine plants grow (A)Darwin was mixed with the nursery soil, the plantlets (B) Dr. Khurana survived. Later investigations showed that the hill (C) Robert Hooke (D) Iwanowski 34.Which organ of human body does the goiter disease soil contained specific fungi which are required for growth of pine plants: affect- (A)The nose Which of the following statements regarding soil (B) The ear micro-organisms is NOT correct? (C) The throat (D) The eye (A)They 35.Measles disease in children is caused by- provide certain’ proteins and (A)Bactria polysaccharides required for growth of plants. (B) Virus (B)Roots of most of the plants are closely associated (C) Fungi (D) Mycoplasma 36. Which of the following diseases is caused by insect- with fungi. (C)They maintain certain mineral elements in bite- (A)Scurvy soluble form in the soil for easy absorption by (B) Dengu roots. (C) Pneumonia (D) Asthama (D)They absorb and transfer minerals from soil to 37.Match the items in colum I with column ll. roots of plants. I II 30.Examine the statements given below: A. Plasmodium a. Sleeping sickness (A)The activity of fungi is absolutely essential for B. Trypanosoma b. Common cold the recycling of inorganic resources in the C. Bacteria c. Malaria biosphere. D. Virus d. Diphtheria (B)The spore is a typical reproductive unit of a Which one of the following alternative is correct ? (A)A-a, B-a, C-d, D-c fungus. (C)The greenish growth on bread is due to funi. (B)A-c, B-a, C-d, D-b (C)A-b, B-c, C-d, D-a 6

  7. (D)A-c, B-d, C-a, D-b 7.In which of the following tissue food is 38.Which of the following pair of diseases is caused by transported ? (a)Xylem virus? (b) Tracheieds (a)Chicken pox and Polio (c) phloem (d) Vessels (b)Polio and Malaria 8.Which of the following organs act as both blood (c)Tuberculosis and Chicken pox bank and graveyard of R.B.C’s? (d)Sleeping sickness and Tetanus (a)Liver (b) Bone marrow (c) Pancreas (d) Stomach 9. Single blood circulation occurs in- (a)Fishes (b) Frogs TRANSPORTATION (c) Reptiles (d) Man 1.The clotting of blood requires 10.Anticoagulant of fresh water leech is- (A)Vita. K and Calcium (a)Hirudin (b) Heparin (B)Vita. K and Potassium (c) Sodium citrate (d) Chelating agent. (C)Calcium and Potassium 11.A sudden Increase in the number of white blood (D)None of the above cells in the blood is a sign of 2.A pacemaker or S-A node is found in (a)Deficiency disease (A)Heart (B) Kidney (b)Better health (C) Liver (D) Stomach (c)Bacterial disease, Infection (d)Mental tension 3.Which helps in blood clotting? 12.The cardiac pacemaker in a patient fails to (A) Sodium (B) Fibrinogen function normally. The doctor finds that an (C) Bilirubin (D) None of the above artificial pacemaker is to be grafted in him. It is 4.Heart disease is a likely that it will be grafted at the site of (A)Infectious Disease (a)Atrioventricular bundle (B)Communicable disease (b)Purkinje system (C)Degeneration Disease (c)Artiroventicular node (D)Deficiency disease (d)Sinoatrial node 5.Which blood vessel in mammals would 13. Osmosis is defined as the process in which- normally carry the largest amount of urea? (a)Water diffuses from higher concentration to (A)Dorsal aorta lower of the solution. (B)Pulmonary vein (b)Solutes diffuse from lower concentration to (C)Renal artery higher concentration (D)Pulmonary artery (c)Active transport of ions takes place 6.Both erythrocytes and leucocytes are formed in- (d)Passive transport of ions takes place (a)Thymus (b) bone marrow (c) lymph nodes (d) arterial walls 7

  8. 14.Water available to plants is (a)Run off water (b)Gravitational water (c)Hygroscopic water (d)Capillary water 15.Transpiration is helpful in- (a)Increase of temperature (b)Loss of Salt (c)Ascent of sap (d)Loss of nutrients 8

  9. EXCRETION 8.In Amoeba, ammonia is excreted by: 1.Blood vessels leading into Bowman’s capsule are (a)Food vacuole called- (b)Plasma membrane (a)Renal vein (c)Nucleus (b)(b) Renal artery (d)All of these (c) Efferent arteriole (d) Afferent arteriole 9.Flame cells (protonephridia) are excretory structures 2.Protozoa and earthworm are respectively – of: (a)Ammonotelic and ureotelic (a)Planarians (b) Flukes (b)Aminotelic and ureotelic (c) tapeworms (d) All of these (c)Aminotelic and uricotelic (d)Ureotelic and uricotelic 10.Water reabsorption mainly occurs through: 3.There is no water loss through- (a)Bowman’s Capsule (a)Skin (b) kidney (b)PCT (c) Lung (d) liver (c)Glomerulus (d)Loop of Henle & DCT 4.Uricotelism is found in (a)Mammals & birds 11.Tubes extending between the kidneys and urinary (b)Fishes and fresh water protozoans bladder are: (c)Birds, reptiles and insects (a)Ureters (b) Vasa deferentia (d)Frogs and toads (c) Urethra (d) Oesophagus 12.In case of renal failure and uraemia, one of the 5.Urea formation occurs by following is employed: (a)Arginine cycle (b) Krebs cycle (a)Kidney replacement (c) Ornithine cycle (d) citrulline cycle (b)Lithotrophy (c)Haemodialysis 6.Filtration of blood occurs in (d)Kidney removal (a)Bowman’s capsule (b)Loop of henle 13.Excretion is (c)Neck of nephrons (a)The passing out of faecus from the anus (d)Renal papillae (b)The passing out of urine from the urinary bladder 7.The basic functional unit of human kidney is: (c)The removal of nitrogenous waste products of (a)Nephron metabolism from the body. (b)Nephridia (d)The removal of waste products of digestion from (c)Glomerulus the body (d)Bowman’s capsule 1

  10. 14.Hormone which controls amount of urine is- (a)TSH (b) ADH (c) Adrenalin (d) Thyroxin 15.Which of the following has least urea (a)Renal artery (b) Renal vein (c) Efferent arteriole (d) None of the above 8.The ends of two bones are connected by: (a)Muscles EXCRETORY SYSTEM (b) Ligaments (c) Tendons (d) Calcified 9.In man, the coccygeal bones is found in: ] 1.Pelvic girdle is present in (a)Skull (b) Pelvic girdle (a)Shoulder bone (b) humerus (c) Pectoral girdle (d) Vertebral column (c) thigh (d) none of these 10.Total number of bones in human skull is: 2.The total number of canines in the permanent dental (a)26 (b) 29 set of humans is (c) 30 (d) 107 (a)12 (b) 8 (c) 6 (d) 4 3.The number of floating ribs, in the human body, is (a)6 pairs (b) 6 pairs (c) 3 pairs (d) 2 pairs 4.Cranium of human contains a total of (a)8 bones (b) 12 bones (c) 14 bones (d) 20 bones 5.Which of the following components is a part of the pectoral girdle? (a)Ilium (b) Sternum (c) Acetabulum (d) Glenoid cavity 6.Appendicular skeleton includes all except (a)Hind limbs (b)Forelimbs (c)Vertebral column (d)Pectoral and pelvic girdles 7.Acetabulum is present in______ joint: (a)Hip (b) Knee (c) Elbow (d) Shoulder 2

  11. (a)Cn H2n On-1 FOOD (b)Cn H2n On 1.Bond present between two molecules of (c)Both of them are correct carbohydrates is- (d)None of them are correct (a)Hydrogen bond 11.Which substance gives maximum energy? (b)Glycosidic bond (a)Carbohydrate (b) Fat (c)Phosphodiester bond (c) Protein (d) Water (d)Amide bond 12.Source of carbohydrate is 2.Stored food of green plants is (a)Potato (b) tomato (a)Glucose (b) glycogen (c) pea (d) tea (c) cellulose (d) starch 13.Sunshine vitamin is 3.Which of the follwing lack enzymes? (a)Vitamin-A (b) Vitamin-D (a)Algae (b) Plants (c) Vitamin-K (d) Vitamin-E (c) Viruses (d) Bacteria 14.The presence of protein in a food sample is 4.Glucose is stored in an animal body in the form of characterized by which colour change? (a)Glycogen (b) Sucrose (a)Yellow to violet (c) fructose (d) all of the above (b)Orang to red 5.Malnutrition of which causes goiter? (c)Yellow to red (a)Protein (b) Carbohydrate (d)Orange to yellow (c) Fat (d) Iodine 15.Chemically enzymes are 6.The sugar present in nucleic acids is (a)Fats (a)Dextrose (b)Carbohydrates (b)Glucose (c)Hydrocarbons (c)Levulose (d)Proteins (d)Deoxyribose or ribose 16.Examine the following statements. 7.Hydrolysis products of protein are (a)Iron, necessary for the human body, is (a)Fatty acids (b) amino acids abundantly found in green vegetables, (c) glucose (d) glycerol (b)Zinc is one of the essential trace elements 8.Which of the following is required for the maturation required for human body. of erythrocytes. (c)Fats and minerals are not the essential nutrients (a)Vitamin-K (b) Vitamin-B12 for a balanced diet of humans. (c) Vitamin-A (d) Vitamin-C (d)The foods that generate energy in the body after 9.The presence of fats in food sample is detected by complete oxidation are in the form of (a)Greasy spot test carbohydrates, fats and proteins. (b)Transparent paper test Which one of the following is wrong? (c)Colour change (A)A (B) B (d)Precipitate formation (C) C (D) D 10.The general formula for carbohydrate is 3

  12. 17.Which of the following statements is wrong? 19.Ecological importance of earthworm is that (a)Quinine. A malarial drug is obtained from the (a)It damages roots of plants. (b)It takes organic matter from soil surface deeper plant cinchona. (b)Pulses are rich sources of starch and minerals. into soil for absorption by plants. (c)Sunflower is a good source of vegetable oil. (c)Its casting are rich in organic matter. (d)Green vegetables are good sources of vitamins (d)It Serves as food for protozoa. and minerals. Which of the following combinations is corredt? (A)A, C (B) B,C 18.Which of the following food will provide the (C) A,B (D) A, B and D nutrient for the growth of tissue in human body- (a)Cheese (b) Fruit (c) Sweets (d) Vegetables 4

  13. DIVERSITY 1.Basic unit of classification is- (a)Species (b) genus (c) family (d) phylum 2.Development of mouth later than anus is the condition called (a)Branschiostomatic (b)Schizostomatic (c)Deuterostomatic (d)Protostomatic 3.The science of diversity of organisms is (a)Taxonomy (b) systematics (c) Evolution (d) paleontology 4.Five kingdom system of classification was given by. (a)Copeland (b) Haeckel (c) Whittaker (d) Flemming 5.Naked seed plants are (a)Gymnosperms (b) angiosperms (c) pteridophyta (d) bryophyte 1

  14. 6.Multicellular, Multinucleated eukaryotic organism (d)Duodenum in alkaline medium 2. Holophytic nutrition means- is- (a)Fungi (a)Autotrophism (b) heterotrophism (b)(b) Monera (c) symbiotism (d) parasitism 3.Which of the following has no digestive (c) protista (d) plantae enzyme? (a)Saliva (b) Bile 7.Which are the amphibians in plank kingdom? (c) Gastric juice (d) Intestinal juice (a)Tracheophyta 4.The main organ for digestion and absorption of (b) Bryophyta food is- (a)Large interstine (c) pteridophyta (b) Small intestine (d) Thallophyta (c) Stomach (d) liver 5.Liver helps in- 8.Algae differ from bryophyte in possessing (a)Digestion of food (b) Detoxification (a)Naked sex organs (c) Secretion (d) All of these (b)Sex organs covered with sterile covering 6.Food pipe is the another name of- (c)Chlorophyll a and b (a)Oesophagus (b) Bile duct (d)Aerobic respiration (c) Salivary Gland (d) Pancreatic duct 7.Total number of canines in permanent dental set 9.The cell wall of diatoms are rich in of human is- (a)Calcium (a)4 (b) 6 (b) lignin (c) 2 (d) 12 8.Starch in digested by- (c) silica (a)Peptidase (d) carbonate (b) Amylase (c) Lipase (d) proteinas 10.All chordates possess 9.Chlorophyll in chlorophlasts is located in- (a)Exoskeleton (a)Grana (b) pyrenoid (b)Limbs (c) Stroma (d) none of these (c)Skull 10.Which of the following is the best equation (d)Axial skeletal rod of notochord representing photosynthesis? Chlorophyll (a)Energy +6CO2+6H2O C5HO12+6O2 NUTRITION (b)Energy +CO2+H2O CH2O+O2 1.Trypsin digests protein in- (c)Energy+6CO2+12H2O (a)Stomach in acidic medium Chlorophyll/Light (b)Stomach in alkaline medium C6H12O+6H2O+6O2 (c)Duodenum in acidic medium (d)Energy +12CO2+6H2O 2

  15. Light/chlorophyll energy for the production of food. This process C6H12O6+6H2O+6O2 is represented by following equation. 11.The pigments found in plants are- Sun light 6CO2+12H2O Chlorophyll 17.The process represented by above equation is- C6H12O6+6O2+6H2O (a)Carotenes (b) xanthophylls (c) Chlorphyll (NTSE Stage-l/Raj./2007) (d) All of the above (a)Photosynthesis 12.In which part of chloroplast light reaction of (b)Reduction of Carbohydrate photosynthesis occurs? (c)Respiration (a)Grana (d)Protein synthesis (b) Stroma 18.The gas produced in above process are- (c) Matrix (NTSE Stage-l/Raj./2007) (d) All of the above (a)Oxygen (b) Carbon di oxide 13.The oxygen evolved in photosynthesis comes (c) Water vapour (d) All above from- 19.The essential factors for above process are- (a)CO2 (b) Water (NTSE Stage-l/Raj./2007) (c) temperature (d) all of the above (a)Temperature and Cytoplasm 14.The raw materials for photosynthesis are- (b)Sunlight and chlorophyll (a)CO2&O2 (c)Chlorophyll and Humidity (b) Sunlight and CO2 (d)Sunlight and Air (c) Water and chlorophyll 20.This process is stopped at night because- (d) CO2 and water (NTSE Stage-l/Raj./2007) 15. Plants are green in colour because- (a)CO2 increases (a)They absorb green light only (b)O2 decreases (b)The reflect green light (c)Water is not transported (c)They absorb green light but reflect all other (d)Sunlight is not available lights 21.In which substance the chemical energy is stored (d)None of the above are correct by the above process? 16.Bile is produced by- (NTSE Stage-l/Raj./2007) (NTSE Stage-l/Raj./2007) (a)Stomach (b) Liver (a)O2 (b) CO2 (c) Gall bladder (d) pancreas (c) C6H12O6 (d) H2O Note:- 22.The Process of photosynthesis in green plants 17 to 21 Read the passage given below and involves- (NTSE Stage-l/Raj./2008) answer the questions no. 17 to 21. Animals can’t (a)Intake of nitrogen and release of oxygen produce their food themselves, They obtain their (b)Intake of oxygen and release of nitrogen food from green plants. Where as green plants (c)Intake of carbon dioxide and release of are capable to convert solar energy into chemical oxygen 3

  16. (d)Intake of oxygen and release of carbon (b)1(ii)2 (iv)3 (i)4 (iii) (c)1(iii)2 (i)3 (ii)4 (iv) dioxide 23.Some body system and the related part of system 1(ii)2 (iii)3 (i)4 (iv) 24.The complex substances of food in humans are are given in column P & Q (NTSE Stage-l/Raj./2008) broken down into simple ones with the help of P Q digestive juices secreted by- (1) Digestive system (i) Kidney (NTSE Stage-II/2008) (a)Rectum, Pancreas and small Intestine (2) Circulatory system (ii) Stomach (b)Salivary gland, Liver and pancreas (3) Excretory system (iii) Arteries (c)Liver, Oesophagus and Large Intestine. (4) Reproductive system (iv) Fallopian tube (d)Salivary gland, Appendix and Duodenu The correct option is- (a)1 (i)2 (ii)3 (iii)4 (iv) 7.Respiration by lungs is called as- (a)Pulmonary respiration (b)Cutical respiration (c)Branchial respiration (d)Dutaneous respiration 8.During expiration, the diaphragm becomes (a)Oblique (b)Normal (c)Flattened (d)Dome-shaped 9.In human body, blood is oxygenated and purified in the- (a)Liver (c) heart 10.In mammals the body cavity is partitioned into thoracic and abdominal parts by (a)Liver (c) ribs 11.Which function is not performed by lungs? (a)Elimination of carbon dioxide (b)Provision of oxygen (c)Purification of blood (d)Removal of nitrogenous wast 12.The end product of anaerobic respiration is – (a)CO2 (c) ethyl alcohol 13.The process of respiration is concemed with (a)Liberation of oxygen (b)Liberation of nitrogen (c)Liberation of energy (d)Intake of oxygen RESPIRATION 1.The exchange of gases between the external air and the blood occurs in the. (a)Bronchus (b) bronchiole (c) trachea (d) alveoli 2.Anaerobic respiration is likely to occur in (a)Ants (b) Earthworms (c) Echinoderms (d) Tapeworms (b) kidneys (d) lungs 3.In humans lungs. How many lobes are (a)2 in Left and 3 in right lungs (b)3 in left and 2 in right lungs (b) Lungs (d) diaphragm (c)3 in each lung (d)2 in each lung 4.Pyruvic acid is reduced to lactic acid anaerobically in – (a)Liver (c) brain 5.Oxygen is transported n vertebrates as (a)Dissolved in plasma (b)Combined with Haemoglobin (c)Dissolved in cytoplasm of erythrocytes (d)Absorbed over the RBC 6.Respiration is controlled by- (a)Cerebrum (c) Medulla oblongata (d) olfactory lobe (b) Muscles (d) skin (b) H2O (d) A and C both (b) cerebellum 4

  17. (d)Peptide bonds 6.Emasculation is achieved by (a)Removal of stigma (b)Removal of anthers (c)Removal of sepal& petats (d)Removal of gynoecium 7.A cross between hybrid and a receive parent (Tt x tt ) gives a ratio of (a)1:1 (b) 2:1 (c) 3:1 (d) 1:2:1 8.Back cross is a cross between (a)F1 x F1 (b) F1 x recessive (c) F1 x dominant (d) F1 x any parent 9.A pure tall plant can be differentiated from a hybrid tall plant (a)By measuring length of plant (b)By spraying gibberellins (c)If all plants are tall after self- pollination (d)If all plants are dwarf after self-pollination 10.Who is regarded as ‘ Father of Genetics’? (a)Gregor Johann Mendel (b)T.H. morgan (c)Lamarck (d)Hugo de Vries 11. Genotype means (a)Genetic composition of the individual (b)Genetic composition of the germ cell (c)Genetic composition of plastids (d)Genetic composition of an organ 12.Sex chromosomes are also called as (a)Autosomes (b) allosomes (c) monosomes (d) Karyosome 13.The first work on genetics was done by (a)Lamarck (b) Hugo de vries (c) Mendel (d) Darwin 14.Number of characters studied by Mendel in pea plant was (a)5 (b) 7 (c) 6 (d) 4 15.A recessive character in pea is (a)Red flower (b) round seed (c) green cotyledon (d) tall plant 14.The end product of glycolysis is – (a)Pyruvic acid (c) PEP 15.Respiration site in a cell is- (a)Chloroplast (c) mitochondria 16.Respiration is a process where glucose molecules are oxidized to release energy. Mitochondria are cellular organelles which carry out aerobic respiration. Which one of the flowing santance is incorrect? (a)Green plant cells respire during day time even when they are photosynthesis. (b)Bacteria can not carry out aerobic respiration as they are prokaryotic cells and lack mitochondria. (c)Cells of dormant seeds respire. HEREDITY (b) Rubp (d) ATP (b) ER (d) golgi body actively undergoing 1.Autoosomes in humans are (a)22 pars (c) 43 pairs 2.Mendel conducted his hybridization experiments with (a)Pigeon pea (b) wild pea (c) garden pea (d) None of these 3.Herdity means (a)Transmission of traits from one generation to successive generations of living beings. (b)Dissimilarity between same species (c)Both A & B are correct (d)None of the above 4.The traits expressed in F1 generations is called as (a)Dominant trait (b) Recessive trait (c) Both are incorrect (d) Both are correct 5.DNA strands are anti parallel because of (a)H- bonds (b)Phospho diester bonds (c)Disulphide bodns (b) 23 pairs (d) 11 pairs 5

  18. (a)Carbon (c) Silicate 11.For origin of life, the most important condition is the presence of- (a)Water (c) Nitrogen 12.Adaptation of species is it’s – (a)Acquired character (b)Mutation (c)Metamorphosis (d)Hereditary character 13.Who proposed spontaneous generation of life? (a)Van Helmont (c) Lamarck 14. According to modern hypothesis life originated by (a)Spontaneous generation (b)God (c)Spores came from other planets (d)Chemical development 15.Ontogeny recapitulates phylogeny is the brief definition of (a)Mutation theory (b)Biogenetic law (c)Abiogenesis (d)Darwinism 16.Which one of the following represents an example of organic evolution? (a)Progressive attainment of immunity against infectious disease by means of vaccinations. (b)Progressive changes in water breathing tadpole leading to air breathing frog. (c)Progressive attainment of erect posture in human ancestors. (d)Development of unfertile of insects. 17.Which of the following forms the basis of the concept of organic evolution proposed by lamarck? (a)Enormous fertility and heredity (b)Struggle for existence and use and disuse of organs (c)Variation, heredity and natural selection (d)Use and disuse of organs and inheritance of acquired characters (b) Nitrogen (d) Water ORIGIN OF LIFE 1.Evolution is defined as (a)History of race (b)Development of race (c)History and development of race with variations (d)Progressive history of race 2.Homologous structures have (a)Similar origin but dissimilar functions (b)Dissimilar origin but similar functions (c)Dissimilar origin but dissimilar functions (d)Dissimilar origin but dissimilar structures 3.Stanly miller synthesized – (a)Proteins (b) Viruses (c) Amino acids (d) Vitamins 4.According to Neo-Darwinism, natural selction operates through (a)Fighting between organisms (b)Killing the weaker organism (c)Differential reproduction (d)None of the above 5.Study of fossils is called- (a)Palaeobotany (b) Palaeontology (c) Misology (d) Systematics 6.Lamarck’s theory of evolution is also called (a)Survival of the fittest (b)Theory of special creation (c)Evolution through natural selection (d)Inheritance of acquired characters 7.Which of the following is the most primitive ancestor of man? (a)Homohabilis (b)Homoneanderthalensis (c)Australopithecus (d)Ramapithecus punjabicus 8.Which one is the most essential for origin of life? (a)Enzymes (b) Proteins (c) carbohydrates (d) Nucleic acids 9.Which was not proposed by Darwin? (a)Struggle for existence (b)Natural selection (c)Genetic drift (d)Survival of the fittest 10.There is no life on moon because there is no – (b) Carbn (d) Oxygen (b) Pasteur (d) Oparin 1

  19. CONTROL & COORDINATION 8.Lateral branches of neuron is called 1.Hornones influence body parts for bringing about (a)Axon (b) cyton (a)Proper growth (c) Collateral (d) all of these (b)Co- ordination (c)Proper functioning of body parts 9.Nissl’s body found in neuron are – (d)All of the above (a)Made up of DNA 2.Pituitary gland is known as master endocrine gland (b)Made up of ribosomes & RER because it controls (c)Help in formation of neurofibrils (a)Thyroid gland & hence regulates metabolism (d)Mass of mitochondria (b)Gonads as well as adrenal & hence regulate sex appearance & salt metabolism 10.Which of the following process occurs only in (c)Growth animals- (d)Thyroid, gonads (a)Hormonal control (b) Respiration 3.Deficiency of thyroxine/hypothyroidism in adults (c) Nervous control (d) Nutrition results in (a)Diabetes mellitus (b)Diabetes insipidus 11.Length of spinal cord in man is- (c)Myxodema (a)100cm (b) 75cm (d)Exopthalamic goiter & adrenal (c) 45 cm (d) 30cm 4.What is the effect of thyroxine on BMR 12.Which part of brain is more developed in man- (a)Increase (b) decrease (a)Medulla (b) Cerebellum (c) Uncertain (d) no effect (c) Cerebrum (d) Pituitary 5.Failure or reduced insulin production causes 13.Cretinism is due to less secretion of – (a)Diabetes insipidus (b) Diabetes mellitus (a)Adrenal (b) thyrold (c) both A and B (d) Cretinism (c) parathyroid (d) Pituitary 6.Cerebellum is a part of- 14. Diabates is due to- (a)Fore brain (b) Mid brain (a)Hormonal deficieny (c) hind brain (d) none of these (b)Sodium deficiency (c)Iodine deficiency 7.Find out the correct seq . of a simple reflex ® ® ® ® (d)Enzyme deficiency ® (a)Brain Spinal cord Effector ® ® (b)Effector CNS Sensory Nerve ® Receptor 15.Brain stem is formed by the union of ® (c)Muscles Spinal cord Brain ® Receptor ® (a)Optic lobes (d)Receptor Sensory Nerve CNS Effector 2

  20. (b)Cerebellum with optic lobes (c)Corpora striata 17.Insulin is produced by (d)Mid brain, pons varolii and medulla oblongata (a)Stomach (b) Liver (c) Gall bladder (d) Pancreas 16.Amount of glucose is higher in urine of a person. The 18.Which hormone when secreted increases heart beats- reason is deficieny of harmone- (a)Thyroxine (a)Insulin (b) Astrogen (b) Adrenalin (c) Insulin (d) Adrenalin (c) Cortisone (d) Testosterone (c)Lack of education REPRODUCTION (d)All of the above 9.Study of trends in human population is 1.Voice is high pitched in (a)Demography (b) Biography (a)Aged person (b) adult males (c) Calligraphy (d) Psychology (c) Boys (d) females 10.World population day is on 2.Development of foetus takes place in (a)5th June (b) 11th July (a)Vagina (b) uterus (c) 4th October (d) 21st March (c) Ovary (d) Oviduct 11.Departure of individuals of same species from an 3.Vagina of the female reproductive system is area is called as (a)Primary sex organ (a)Emigration (b) immigration (b)Accessory sex organ (c) external immigration (d) addition (c)Secondary sex organ 12.Total number of individuals which can interbreed is (d)None of these called as 4.Eggs from ovary are released in (a)Species (b) phylum (a)Oviduct (b) Kidney (c) population (d) group (c) Ureter (d) coelom 13.Menstrual cycle is controlled by 5.Which of the following is a bisexual organism? (a)Estrogen & progesterone of ovary (a)Earthworm (b) Pila (b)FSH & LH of pituitary (c) Amoeba (d) Monkey (c)Both (A) and (B) are correct 6.The number of chromosomes in human cell is (d)FSH of pituitary (a)44 (b) 46 14.Asexual reproduction by budding is common in (c) 48 (d) 50 (a)Hydra (b) Planaria 7.The genetic information is stored in (c) Paramoecium (d) plasmodium (a)DNA (b) RNA 15. Female sex hormone is (c) Ribosome (d) ER (a)Oestrogen (b) ADH 8.The main factor for the growth of human population in (c) Insulin (d) adrenaline India is 16.In mammals fertilization takes place in- (a)High birth rate (a)Ovary (b) Fallopian tube (b)Less death rate 3

  21. (c) Uterus (d) Vagina 17.Embryo testing is banned because it has changed- (a)Sex ratio (b) Population density (c) Birth rate (d) death rate 18. Asexual reproduction in plants is important for the following reasons. (a)Flowers are produced. (b)Plants can rapidly colonize new areas. (c)Reproduction takes less energy. (d)Self- pollination can occur. Which one of the following alternatives is correct? (a)A, B (b) C, D (c) B , C (d) A, D (c)Both of the above ENVIRONMENT (d)None of the above 1.Ecology is the study of relationships between 6.The pyramid of numbers in grassland ecosystem will be (a)Water and environment (a)Upright (b) Inverted (b)Organisms and environment (c) Irregular (d) Linear (c)Soil and water 7.Vultures in an ecosystem are (d)All of the above (a)Predators (b) Scavagers 2. Which of the following pyramid is upright always? (c) Consumers (d) Top carnivores (a)Pyramid of number (b) Pyramid of energy 8.Which of the following cycle would be affected if (c) Pyramid of biomass (d) All of the above decomposers of an ecosystem vanish 3.Total organic matter present in an ecosystem is called (a)Producer cycle (a)Biomass (b) Biome (b)Consumer cycle (c) Litter (d) Food (c)Decomposer cycle 4.The species, which are in danger of extinction are (d)Biogeochemical cycle referred to as. (a)Endangered species 9.Biogeochemical cycle is also known as (b)Vulnerable species (a)Gaseous cycle (b) sedimentary cycle (c)Threatened species (c) compound cycle (d) Cycle of matter (d)Rare species 5.The importance of ecosystem lies in 10.Primary source of energy in an ecosystem is (a)Flow of energy (a)Sugar stored in plants (b)Cycling of materials 4

  22. (b)Heat liberated during respiration (c)Control on industries (c)Solar energy (d)Population control (d)Heat liberated by fuel buring 17.Soil erosion due to running water can be checked by: 11.Which one of the following in the pyramid is most delicately balanced in the chain? (NTSE stage-II/2007) (a)Top carnivore (a)Animal grazing (b) plant (b)Afforestation (c) herbivore (d) Small carnivore (c)Building reservoirs 12.The correct sequence of increasing organizational. (d)Cultivation on steep slopes Complexity is- (a)Species, population, community and ecosystem 18.Biogas is a mixture of: (b)Population, community, species and ecosystem (NTSE stage-II/2007) (c)Population variety, ecosystem and community (a)Methane and carbon dioxide (d)Species, variety, population and ecosystem (b)Methane and Hydrogen (c)Propane and benzene 13.Individuals of the same species inhabiting a (d)Nilrogen and Hydrogen particular locality form- (a)Community 19.Examine the following statements. (b) population (c) flora (d) fauna (NTSE stage-II/2007) (a)Conservation of wild life is to maintain essential 14.In an aquatic ecosystem, maximum ecology processes and life supporting systems. (b)There is no direct relationship between the biomagnification is seen among (a)Fish preservation of wild life and human progress. (b)Phytoplanktons (c)Thc wild Lite (Protection) Act prohibits trade in (c)Zooplanktons idle and endangered species. (d)Macroscopic plants (d)Afforestation is a threat to our economy, quality 15.How much energy is consumed from one trophic of life and environment. level to another trophic level? Which one of the following alternatives in ture? (a)5% (a)A and B (b) 10% (b)A and D (c) 15% (d) 20% (c)C and D 16.The best solution to stop environmental polluction (d)A and C is- 20.The soil which contains the highest amount of (NTSE stage-I/Raj./2007) (a)Water conservation humus is- (b)Land conservation (NTSE stage-II/2008) 5

  23. (a)Desert soil (c)Ground water is a always pure. (b) Black soil (d)Bawris (water bodies) are a traditional method (c) red soil (d) clay soil of water storage. 21.DDT (Dichloro diphenyl trichloro ethane) has been found to pollute our soil and water bodies and has Which statements are true? (a)A, B only been banned from being used as a pesticide because (b) A, B, C only it is- (c) B, C ,D only (d) A, B, D only (NTSE stage-II/2008) (a)Non biodegradable , non-selctive in action, toxic 23.Match the items in column I whit column II. and is accumulated in animals (NTSE stage-II/2008) (b)Non- biodegradable extremely selective in action, toxic but not accumulated in animals Column-II Column-II (c)Biodegradable, non-selective in action, toxic A. Jim Corbett National a One horned and is accumulated in animals Park rhinoceros. (d)Biodegradable, selective in action, toxic but not B. Gir sanctuary B Tiger accumulated in animals. C Bandipur National C Asiatic lion Which one of the following alternatives is park correct? D Kaziranga National d Indian Elephant (a)Ais ture, B is false Park (b)B is true, A is false (c)B is true, C is false Which one of the following alternatives is correct? (d)D is ture, A is false (a)A-c, B-d, C-a, D-b (b)A-b, B-c, C-d, D-a 22.Study the statements given below concerning water. (c)A-a, B-b, C-d, D-d (NTSE stage-II/2008) (d)A-d, B-c, C-b, D-a (a)Many cities are located on the banks of a water body. (b)Total amount of water on the earth is constant. 6

  24. ANSWER KEY CELL Q. A. Q. A. Q. A. 1 B 16 B 31 B 2 D 17 C 32 C 3 A 18 C 4 B 19 C 5 B 20 D 6 A 21 A 7 B 22 B 8 D 23 A 9 B 24 B 10 C 25 D 11 C 26 D 12 B 27 C 13 B 28 A 14 D 29 D 15 C 30 A TISSUE Q. A. 1 B 2 B 3 A 4 B 5 A 6 C 7 C 8 C 9 C 10 A 11 B 12 B 13 C 14 C 15 D 16 B ADAPTATION Q. A. Q. A. 1 C 16 B 2 B 17 D 3 B 18 A 4 D 19 B 5 D 20 D 6 B 21 C 7 A 8 B 9 B 10 B 11 A 12 D 13 A 14 B 15 C DISEASES Q. A. Q. A. Q. A. 1 A 16 D 31 A 2 A 17 D 32 C 3 A 18 A 33 D 4 A 19 B 34 C 5 C 20 D 35 B 6 D 21 A 36 B 7 B 22 A 37 B 8 C 23 C 38 A 9 C 24 D 10 B 25 C 11 C 26 B 12 B 27 D 13 C 28 D 14 B 29 A 15 C 30 C TRANSPOTRATION Q. A. 1 A 2 A 3 B 4 C 5 C 6 B 7 C EXCRETION 8 A 9 A 10 A 11 C 12 D 13 A 14 D 15 C Q. A. 1 D 2 A 3 D 4 C 5 C 6 A 7 A 8 B 9 D 10 D 11 A 12 A 13 C 14 B 15 B SKELETAL SYSTEM Q. A. 1 C 2 D 3 D 4 A 5 D 6 C 7 A 8 B 9 D 10 B FOOD Q. A. Q. A. 1 B 16 C 2 D 17 B 3 C 18 A 4 A 19 B 5 D 6 D 7 B 8 B 9 A 10 B 11 B 12 A 13 B 14 A 15 D DIVERSITY OF LIVING ORGANISMS Q. A. Q. A. 1 A 11 C 2 C 12 D 3 B 13 D 4 C 14 D 5 A 15 D 6 A 7 B 8 A 9 C 10 D 1

  25. NUTRITION Q. A. Q. A. Q. A. 1 D 11 D 21 C 2 A 12 A 22 C 3 B 13 B 23 D 4 B 14 D 24 B 5 D 15 B 6 A 16 B 7 A 17 A 8 B 18 A 9 A 19 B 10 C 20 D RESPIRATION Q. A. Q. A. 1 D 11 D 2 D 12 D 3 A 13 C 4 B 14 A 5 B 15 C 6 C 16 B 7 A 17 C 8 D 18 A 9 D 10 D HEREDITY & VARIATIONS Q. A. Q. A. 1 A 11 A 2 C 12 B 3 A 13 C 4 A 14 B 5 B 15 C 6 B A D C 7 8 9 10 A ORIGIN OF LIFE Q. A. Q. A. 1 C 11 A 2 A 12 A 3 C 13 A 4 C 14 D 5 B 15 B 6 D 16 C 7 D 17 D 8 D C 9 10 D CONTROL & CO-ORDINATION Q. A. Q. A. 1 D 11 C 2 B 12 C 3 C 13 B 4 A 14 A 5 B 15 D 6 C 16 C 7 D 17 D 8 C 18 B 9 B 10 C REPRODUCTION Q. A. Q. A. 1 D 11 A 2 B 12 C 3 C 13 C 4 A 14 A 5 A 15 A 6 B 16 B 7 A 17 A 8 D 18 C 9 A B 10 ENVIRONMENT Q. A. Q. A. Q. A. 1 B 11 A 21 A 2 B 12 A 22 D 3 A 13 B 23 B 4 A 14 A 5 C 15 B 6 A 16 D 7 B 17 B 8 D 18 A 9 D 19 D 10 C 20 D 2

More Related