2017 NEET Biology Solved Paper

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2. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. • Multiple ChoiceQuestions • Which of the following are found in extreme saline conditions? • Archaebacteria Eubacteria Cyanobacteria Mycobacteria • Answer • Select the mismatch: • Frankia – Alnus Rhodospirillum – Mycorrhiza Anabaena – Nitrogen fixer Rhizobium –Alfalfa • Answer • Which of the following is made up of dead cells? Xylemparenchyma • Collenchyma Phellem Phloem • Answer • Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme? Argentaffincells • Paneth cells Zymogencells Kupffercells • Answer • Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for thisfeature? • They do not need toreproduce • They are somaticcells • They do notmetabolize • All their internal space is available for oxygen transport • Only(d) Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

3. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Only(a) , (c) and(d) and(c) Answer The hepatic portal vein drains blood to liver from Heart Stomach Kidneys Intestine Answer Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive withoutoxygen? Bacillus Pseudomonas Mycoplasma Nostoc Answer Which of the following options gives the correct sequence of events during mitosis? Condensation - nuclear membranedisassembly - crossing over - segregation - telophase Condensation - nuclear membranedisassembly -arrangement at equator - centromere division - segregation - telophase Condensation - crossing over - nuclear membrane disassembly - segregation - telophase Condensation - arrangement at equator - centromere division - segregation - telophase Answer Which one of the following statements is correct with reference to enzymes? Apoenzyme = Holoenzyme +Coenzyme Holoenzyme = Apoenzyme +Coenzyme Coenzyme = Apoenzyme +Holoenzyme Holoenzyme = Coenzyme +Cofactor Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

4. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer A temporary endocrine gland in the human body is Pinealgland Corpus cardiacum Corpus luteum Corpusallatum Answer Spliceosomes are not found in cells of Plants Animals Fungi Bacteria Answer An example of colonial algais Chlorella Volvox Ulothrix Spirogyra Answer Which of the following represents order of 'Horse'? Equidae Perissodactyla Caballus Ferus Answer Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP? Lysosome Ribosome Chloroplast Mitochondrion Answer Viroids differ from viruses in having : DNA molecules with proteincoat DNA molecules without protein coat RNA molecules with proteincoat Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

5. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. RNA molecules without proteincoat Answer Root hairs develop from the region of Maturation Elongation Rootcap Meristematic activity Answer Plants which produce characterstic pneumatophores and show vivipary belong to Mesophytes Halophytes Psammophytes Hydrophytes Answer Select themismatch Pinus – Dioecious Cycas –Dioecious Salvinia – Heterosporous Equisetum –Homosporous Answer Which of the following facilitates opening of stomatal aperture? Contraction of outer wall of guardcells Decrease in turgidity of guardcells Radial orientation of cellulose microfibrils in the cell wall of guard cells Longitudinalorientationofcellulosemicrofibrilsinthecellwallofguardcells Answer Life cycle of Ectocarpus and Fucus respectively are Haplontic,Diplontic Diplontic, Haplodiplontic Haplodiplontic, Diplontic Haplodiplontic,Haplontic Answer The pivot joint between atlas and axis is a type of Fibrousjoint Cartilaginousjoint Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

6. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. • Synovialjoint • Saddlejoint Answer • Zygotic meiosis is characteristic of Marchantia • Fucus Funaria • Chlamydomonas Answer • Frog's heart when taken out of the body continues to beat for some time Select the best option from the followingstatements • Frog is apoikilotherm • Frog does not have any coronarycirculation • Heart is "myogenic" innature • Heart is autoexcitable Only(c) • Only(d) • &(b) • (c) & (d) Answer • Which statement is wrong for Krebs'cycle? • There are three points in the cycle where NAD+ is reduced to NADH +H+ • There is one point in the cycle where FAD+is reduced to FADH2 • DuringconversionofsuccinylCoAtosuccinicacid,amoleculeofGTPissynthesised • The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid Answer • In case of poriferans the spongocoel is lined with flagellated cells called : Ostia • Oscula Choanocytes Mesenchymalcells • Answer • Which of the following RNAs should be most abundant in animal cell? r-RNA Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

7. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. t-RNA m-RNA mi-RNA Answer Which among these is the correct combination of aquatic mammals? Seals, Dolphins,Sharks Dolphins, Seals, Trygon Whales, Dolphins, Seals Trygon, Whales,Seals Answer With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? Light saturation for CO2 fixation occurs at 10% of fullsunlight Increasing atmospheric CO2 concentration upto 0.05% can enhance CO2 fixationrate C3 plants responds to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperatureoptimum Tomato is a greenhouse crop which can be grown in CO2- enriched atmosphere for higher yield Answer Outof'X'pairsofribsinhumansonly'Y'pairsaretrueribs.Selecttheoptionthatcorrectlyrepresents values of X and Y and provides their explanation : X = 12, Y =7 True ribs are attached dorsally to vertebral column and ventrally to the sternum X = 12, Y =5 True ribs are attached dorsally to vertebral column and sternum on the two ends X = 24, Y =7 True ribs are dorsally attached to vertebral column but are free onventral side X = 24, Y =12 True ribs are dorsally attached to vertebral column but are free on ventral side Answer Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of: Residual Volume Inspiratory Reserve Volume TidalVolume Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

8. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. • Expiratory ReserveVolume • Answer • GnRH, a hypothalamic hormone, needed in reproduction, actson • Anterior pituitary gland and stimulates secretion of LH and oxytocin Anterior pituitary gland and stimulates secretion of LH and FSH Posterior pituitary gland and stimulates secretion of oxytocin and FSH Posterior pituitary gland and stimulates secretion of LH andrelaxin • Answer • In Bougainvillea thorns are the modifications of Stipules • Adventitious root Stem • Leaf Answer • Good vision depends on adequate intake of carotene rich food Select the best option from the followingstatements • Vitamin A derivatives are formed fromcarotene • Thephotopigmentsareembeddedinthemembranediscsoftheinnersegment • Retinal is a derivative of vitaminA • Retinalisalightabsorbingpartofallthevisualphotopigments • & (b) (a), (c) &(d) • (a) &(c) • (b), (c) & (d) Answer • A decrease in blood pressure/volume will not cause the release of Renin • Atrial Natriuretic Factor Aldosterone • ADH • Answer • The vascular cambium normally gives rise to Phelloderm • Primary phloem Secondaryxylem Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

9. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Periderm Answer Which of the following statements iscorrect? The ascending limb of loop of Henle is impermeable to water The descending limb of loop of Henle is impermeable to water TheascendinglimbofloopofHenleispermeabletowater Answer Fruit and leaf drop at early stages can be prevented by the application of Cytokinins Ethylene Auxins Gibberellicacid Answer A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twentyteeth. Which teeth wereabsent? Incisors Canines Pre-molars Molars Answer An important characteristic that Hemichordates share with Chordates is Absence ofnotochord Ventral tubular nerve cord Pharynx with gill slits Pharynx without gillslits Answer Selectthecorrectrouteforthepassageofspermsinmalefrogs: Testes - Bidder's canal - Kidney - Vasa efferentia - Urinogenital duct - Cloaca Testes - Vasa efferentia - Kidney - Seminal Vesicle - Urinogenital duct -Cloaca Testes - Vasa efferentia - Bidder's canal - Ureter -Cloaca Testes - Vasa efferentia - Kidney -Bidder's Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

10. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. canal - Urinogenital duct -Cloaca Answer Which of the following options best represents the enzyme composition of pancreatic juice? Amylase, peptidase, trypsinogen,rennin Amylase, pepsin, trypsinogen, maltase Peptidase, amylase, pepsin,rennin Lipase, amylase, trypsinogen, procarboxypeptidase Answer Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in : C3plants C4 plants C2plants C3 and C4 plants Answer Themorphologicalnatureoftheediblepartofcoconutis Perisperm Cotyledon Endosperm Pericarp Answer Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animalcells.IfAPCisdefectiveinahumancell,whichofthefollowingisexpectedtooccur? Chromosomes will not condense Chromosomes will be fragmented Chromosomes will not segregate Recombination of chromosome arms willoccur Answer MALT constitutes about ___________ percent of the lymphoid tissue in human body. 50% 20% 70% 10% Answer Receptor sites for neurotransmitters are presenton Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

11. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Membranes of synapticvesicles Pre-synaptic membrane Tips ofaxons Post-synaptic membrane Answer Hypersecretion of Growth Hormone in adults does not cause further increase in height, because Growth Hormone becomes inactive inadults Epiphyseal plates close afteradolescence Bones loose their sensitivity to Growth Hormone in adults Muscle fibres do not grow in size afterbirth Answer Myelin sheath is producedby Schwann Cells and Oligodendrocytes Astrocytes and Schwann Cells Oligodendrocytes and Osteoclasts Osteoclasts andAstrocytes Answer Which of the following components provides sticky character to the bacterial cell? Cellwall Nuclear membrane Plasma membrane Glycocalyx Answer DNA replication in bacteria occurs DuringS-phase Within nucleolus Prior tofission Just before transcription Answer The water potential of pure water is Zero Less thanzero More than zero but less than one More thanone Answer Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

12. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Identify the wrong statement in context ofheartwood. Organic compounds are deposited in it It is highlydurable It conducts water and mineralsefficiently It comprises dead elements with highly lignified walls Answer Double fertilization is exhibited by Gymnosperms Algae Fungi Angiosperms Answer What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis? The larger the fragment size, the farther itmoves The smaller the fragment size, the farther it moves Positively charged fragments move to farther end Negatively charged fragments do notmove Answer Attractants and rewards are required for Anemophily Entomophily Hydrophily Cleistogamy Answer The final proof for DNA as the genetic material came from the experiments of Griffith Hershey andChase Avery, Mcleod and McCarty HargobindKhorana Answer During DNA replication, Okazaki fragments are used to elongate The leading strand towards replicationfork The lagging strand towards replication fork The leading strand away from replicationfork The lagging strand away from the replicationfork Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

13. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. • Answer • Which of the following are not polymeric? Nucleicacids • Proteins Polysaccharides Lipids • Answer • The region of Biosphere Reserve which is legally protected and where no human activity is allowed is knownas • Core zone Buffer zone Transition zone • Restoration zone Answer • A dioecious flowering plant prevents both: Autogamy and xenogamy Autogamy and geitonogamy Geitonogamy and xenogamy Cleistogamy andxenogamy • Answer • Match the following sexually transmitted diseases (Column - I) with their causative agent (Column - II) and select the correctoption. • Column - I Column-II • Gonorrhea - (i)HIV • Syphilis - (ii)Neisseria • Genital Warts - (iii)Treponema • AIDS - (iv) Human Papilloma virus • a-b-c-d • (ii)-(iii)-(iv)-(i) a-b-c-d • (iii)-(iv)-(i)-(ii) a-b-c-d • (iv)-(ii)-(iii)-(i) Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

14. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. a-b-c-d (iv)-(iii)-(ii)-(i) Answer Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for suchrejections? Autoimmuneresponse Cell-mediated immune response Hormonal immune response Physiological immuneresponse Answer The process of separation and purification of expressed protein before marketing is called Upstreamprocessing Downstream processing Bioprocessing Postproduction processing Answer Mycorrhizae are the example of Fungistasis Amensalism Antibiosis Mutualism Answer Coconut fruit isa Drupe Berry Nut Capsule Answer Which one of the following is related to Ex-situ conservation of threatened animals and plants? Wildlife Safariparks Biodiversity hot spots Amazon rainforest Himalayanregion Answer The association of histone H1 with a nucleosomeindicates: Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

15. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Transcription isoccurring DNA replication isoccurring The DNA is condensed into a Chromatin Fibre The DNA double helix isexposed Answer DNA fragmentsare Positively charged Negatively charged Neutral Either positively or negatively charged depending on their size Answer Capacitation occursin Rete testis Epididymis Vasdeferens Female Reproductive tract Answer Which ecosystem has the maximum biomass? Forestecosystem Grassland ecosystem Pond ecosystem Lakeecosystem Answer A disease caused by an autosomal primary non-disjunction is Down's syndrome Klinefelter'ssyndrome Turner's syndrome Sickle cellanemia Answer If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901isdeletedsuchthatthelengthoftheRNAbecomes998bases,howmanycodonswillbealtered? 1 11 33 333 Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

16. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer A gene whose expression helps to identify transformed cell is known as Selectablemarker Vector Plasmid Structural gene Answer Presence of plants arranged into well defined vertical layers depending on their height can be seen best in : TropicalSavannah Tropical Rain Forest Grassland TemperateForest Answer The genotypes of a Husband and Wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes arepossible? 3 genotypes ; 3phenotypes genotypes ; 4phenotypes genotypes ; 3phenotypes 4 genotypes ; 4 phenotypes Answer Which of the following is correctly matched for the product produced by them? Acetobacter aceti :Antibiotics Methanobterium : Lactic acid Penicillium notatum : Acetic acid Saccharomyces cerevisiae :Ethanol Answer Asymptote in a logistic growth curve is obtained when The value of 'r' approacheszero K = N K > N K < N Answer The DNA fragments separated on an agarose gel can be visualised after staining with Bromophenolblue Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

17. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Acetocarmine Aniline blue Ethidium bromide Answer Functional megaspore in an angiosperm develops into Ovule Endosperm Embryosac Embryo Answer Among the following characters, which one was not considered by Mendel in his experiments on pea? Stem – Tall orDwarf Trichomes – Glandular or non-glandular Seed – Green orYellow Pod – Inflated or Constricted Answer Which one from those given below is the period for Mendel's hybridization experiments? 1856 - 1863 1840 -1850 1857 -1869 1870 -1877 Answer Which one of the following statements is not valid for aerosols? They are harmful to humanhealth They alter rainfall and monsoon patterns They cause increased agriculturalproductivity They have negative impact on agricultural land Answer Homozygous purelines in cattle can be obtained by mating of related individuals of same breed mating of unrelated individuals of same breed mating of individuals of different breed mating of individuals of differentspecies Answer Artificialselectiontoobtaincowsyieldinghighermilkoutputrepresents Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

18. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Stabilizing selection as it stabilizes this character in thepopulation Directional as it pushes the mean of the character in onedirection Disruptive as it splits the population into two one yielding higher output and the other lower output Stabilizing followed by disruptive as it stabilizes the population to produce higher yieldingcows Answer Alexander Von Humbolt described for the first time EcologicalBiodiversity Laws of limiting factor Species area relationships Population Growthequation Answer In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation? Intrauterinetransfer Gamete intracytoplasmic fallopian transfer ArtificialInsemination Intracytoplasmic sperm injection Answer ThefunctionofcopperionsincopperreleasingIUD'sis: They suppress sperm motility and fertilising capacity of sperms They inhibitgametogenesis They make uterus unsuitable for implantation They inhibitovulation Answer Which of the following in sewage treatment remove suspended solids? Tertiarytreatment Secondary treatment Primary treatment Sludgetreatment Answer Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correctstatement Both are due to a qualitative defect in globin chainsynthesis Bothareduetoaquantitativedefectinglobinchainsynthesis Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

19. Biology NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Thalassemia is due to less synthesis of globinmolecules Sickle cell anemia is due to a quantitative problem of globin molecules Answer 90. Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by Water Bee Wind Bat Answer Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com