2018 NEET Biology Solved Paper

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2. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Multiple ChoiceQuestions 1. Match the items given in Column I with those in Column II and select the correct option given below: columni columnii a Tricuspid valve i Between left atrium and leftventricle b Bicuspid valve ii Between right ventricle and pulmonary artery cSemilunarvalveiiiBetweenrightatriumandright ventricle Answer 2.MatchtheitemsgiveninColumnIwiththoseinColumnIIandselectthecorrectoptiongivenbelow: Columni Columnii Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

3. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer Which of the following is an amino acid derived hormone? Epinephrine Ecdysone Estriol Estradiol Answer Which of the following structures or regions is incorrectly paired with its functions? Medulla oblongata : Controls respiration and cardiovascularreflexes Limbic system: consists of fibre tracts that interconnect different regions of brain; controls movement. Corpus callosum: band of fibres connecting system: left and right cerebral hemispheres. Hypothalamus: production of releasing hormones and regulation of temperature,the hunger and thirst. Answer Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

4. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Thetransparentlensinthehumaneyeisheldinitsplaceby ligaments attached to the ciliary body ligaments attached to theiris smooth muscles attached to the ciliary body smooth muscles attached to theiris Answer Which of the following hormones can play a significant role in osteoporosis? Aldosterone andProlactin Progesterone and Aldosterone Parathyroid hormone and Prolactin Estrogen and Parathyroidhormone Answer Which of the following gastric cells indirectly help in erythropoiesis? Chiefcells Mucous cells Parietal cells Gobletcells Answer MatchtheitemsgiveninColumnIwiththoseinColumnIIandselectthecorrectoptiongivenbelow: Column I ColumnII a Fibrinogen i Osmoticbalance bGlobulin ii Bloodclotting iiiDefence cAlbumin mechanism a b c iii ii i a b c Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

5. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer Which of the following is an occupational respiratory disorder? Anthracis Silicosis Emphysema Botulism Answer Calcium is important in skeletal muscle contraction becauseit Binds to troponin to remove the masking of active sites on actin for myosin. Activates the myosin ATPase by binding toit. Prevents the formation of bonds between the myosin cross bridges and the actin filament. Detaches the myosin head from the actinfilament. Answer Select the incorrect match: Lampbrush – Diplotene bivalents chromosomes Allosomes – Sexchromosomes Polytene chromosomes – Oocytes of amphibians Submetacentric chromosome – L-shapedchromosomes Answer Nissl bodies are mainly composed of Proteins andlipids DNA and RNA Free ribosomes and RER Nucleic acids andSER Answer Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

6. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Whichofthefollowingeventsdoesnotoccurinroughendoplasmicreticulum? Protein folding Protein glycosylation Phospholipid synthesis Cleavage of signalpeptide Answer Which of the following terms describe human dentition? Thecodont, Diphyodont,Homodont Thecodont, Diphyodont, Heterodont Pleurodont, Diphyodont, Heterodont Pleurodont, Monophyodont,Homodont Answer Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system Amphibia Reptilia Osteichthyes Aves Answer Which one of these animals is not a homeotherm? Macropus Chelone Psittacula Camelus Answer Which of the following features is used to identify a male cockroach from a female cockroach? Presence ofa boat-shaped sternum on the 9th abdominal segment Presence of caudal styles Presence of anal cerci Forewings with darkertegmina Answer Which of the following organisms are known as chief producers in the oceans? Dinoflagellates Diatoms Euglenoids Cyanobacteria Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

7. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer Ciliates differ from all other protozoans in using flagella forlocomotion having a contractile vacuole for removing excess water having two types ofnuclei using pseudopodia for capturing prey Answer Which of the following animals does not undergo metamorphosis? Earthworm Tunicate Starfish Moth Answer MatchtheitemsgiveninColumnIwiththoseinColumnIIandselectthecorrectoptiongivenbelow: Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

8. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer 22.MatchtheitemsgiveninColumnIwiththoseinColumnIIandselectthecorrectoptiongivenbelow Column I ColumnII a Glycosuria i Accumulation of uric acid injoints bGout ii Mass of crystallised salts within thekidney c Renalcalculi iii Inflammation inglomeruli d Glomerularnephritis iv Presence of in glucoseurine a b cd iiiiiivi abcd i ii iiiiv a b c d iv i ii iii Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

9. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. abcd ii iii iiv Answer What is the role of NAD+ in cellular respiration? It functions as anenzyme. It functions as an electroncarrier. It is the final electron acceptor for anaerobic respiration. It is a nucleotide source for ATPsynthesis. Answer Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its lifecycle without the other? Hydrilla Yucca Viola Banana Answer Oxygen is not produced during photosynthesis by Green sulphurbacteria Nostoc Chara Cycas Answer In which of the following forms is iron absorbed by plants? Ferric Ferrous Both ferric and ferrous Freeelement Answer Which of the following elements is responsible for maintaining turgor in cells? Magnesium Sodium Calcium Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

10. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Potassium Answer Which of the following is not a product of light reaction of photosynthesis? ATP NADH Oxygen NADPH Answer Stomatal movement is not affected by Temperature Light CO2 concentration O2concentration Answer The Golgi complex participates in Fatty acid breakdown Formation of secretory vesicles Activation of amino acid Respiration inbacteria Answer Stomata in grass leafare Dumb-bellshaped Kidney Shaped Barrel shaped Rectangular Answer Which one is wrongly matched? Uniflagellate gametes – Polysiphonia Biflagellate zoospores – Brown algae Unicellular organism – Chlorella Gemma cups –Marchantia Answer After karyogamy followed by meiosis, spores are produced exogenously in Neurospora Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

11. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Alternaria Saccharomyces Agaricus Answer Pneumatophores occurin Halophytes Free-floating hydrophytes Submerged hydrophytes Carnivorousplants Answer Plants having little or no secondary growth are Grasses Deciduous angiosperms Cycads Conifers Answer Casparian strips occur in Epidermis Pericycle Endodermis Cortex Answer Secondary xylem and phloem in dicot stem are produced by Apicalmeristems Vascular cambium Axillary meristems Phellogen Answer Select the wrong statement: Cell wall is present in members of Fungi and Plantae Mushrooms belong toBasidiomycetes Mitochondria are the powerhouse of the cell in all kingdoms except Monera Pseudopodia are locomotory and feeding structures inSporozoans Answer Sweet potato is amodified Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

12. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Stem Adventitious root Rhizome Taproot Answer The difference between spermiogenesis and spermiationis In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed. Inspermiogenesisspermatozoaareformed,whileinspermiationspermatidsareformed. In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from sertoli cells into the cavity of seminiferoustubules. In spermiogenesis spermatozoa from sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa areformed. Answer The amnion of mammalian embryo is derived from ectoderm andmesoderm endoderm and mesoderm ectoderm and endoderm mesoderm andtrophoblast Answer The contraceptive‘SAHELI’ blocks estrogen receptors in the uterus, preventing eggs from getting implanted. increasestheconcentrationofestrogenandpreventsovulationinfemales. is a post-coital contraceptive. is anIUD. Answer Hormones secreted by the placenta to maintain pregnancy are hCG, hPL, progestogens,prolactin hCG, hPL, estrogens, relaxin,oxytocin hCG, progestogens, estrogens, glucocorticoids hCG, hPL, progestogens,estrogens Answer MatchtheitemsgiveninColumnIwiththoseinColumnIIandselectthecorrectoptiongivenbelow: column(i) Column(ii) Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

13. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer All of the following are part of an operon except anoperator structural genes apromoter anenhancer Answer A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by Onlydaughters Onlysons Both sons and daughters Onlygrandchildren Answer Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

14. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. According to Hugo de Vries, the mechanism ofevolution is Multiple step mutations Saltation Minor mutations Phenotypic variations Answer AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribedmRNA? AGGUAUCGCAU UGGTUTCGCAT UCCAUAGCGUA ACCUAUGCGAU Answer Among the following sets of examples for divergent evolution, select the incorrect option : Forelimbs of man, bat andcheetah Heart of bat, man and cheetah Eye of octopus, bat and man Brain of bat, man andcheetah Answer Conversion of milk to curd improves its nutritional value by increasing the amount of VitaminD Vitamin A Vitamin E VitaminB12 Answer Which of the following is not an autoimmune disease? Psoriasis Rheumatoid arthritis Vitiligo Alzheimer's disease Answer The similarity of bone structure in the forelimbs of many vertebrates is an example of Homology Analogy Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

15. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. • Adaptiveradiation • Convergent evolution Answer • Whichofthefollowingcharacteristicsrepresent‘Inheritanceofbloodgroups’inhumans? • Dominance • Co-dominance • Multipleallele • Incompletedominance • Polygenicinheritance • b, c and e a, b and c a, c and e b, d ande • Answer • In which disease does mosquito-transmitted pathogen cause chronic inflammation of lymphatic vessels? Elephantiasis • Ascariasis Amoebiasis Ringwormdisease • Answer • All of the following are included in ‘ex-situ conservation’ except Wildlife safariparks • Sacred groves Seed banks Botanicalgardens • Answer • Which part of poppy plant is used to obtain the drug “Smack”? Flowers • Latex Leaves Roots • Answer • In a growing population of acountry, • pre-reproductive individuals are more than the reproductiveindividuals Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

16. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. reproductive individuals are less than the post-reproductiveindividuals. pre-reproductive individuals are less than the reproductive individuals. reproductive and pre-reproductive individuals are equal innumber. Answer Which one of the following population interactions is widely used in medical science for the production of antibiotics? Commensalism Mutualism Amensalism Parasitism Answer MatchtheitemsgiveninColumnIwiththoseinColumnIIandselectthecorrectoptiongivenbelow: Column I ColumnII a Eutrophication i UV-B radiation b Sanitary landfill iiDeforestation c Snow blindness iii Nutrientenrichment dJhumcultivationivWastedisposal Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

17. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively? Inflammation of bronchioles; Decreased respiratory surface Increased number of bronchioles;Increased respiratory surface Decreased respiratory surface;Inflammation of bronchioles Increased respiratory surface;Inflammation ofbronchioles Answer Which of these statements isincorrect? Enzymes of TCA cycle are present in mitochondrial matrix Glycolysis occurs incytosol Oxidative phosphorylation takes place in outer mitochondrialmembrane Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms Answer Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termedas Polysome Polyhedral bodies Nucleosome Plastidome Answer Double fertilizationis Fusion of two male gametes of a pollen tube with two different eggs Fusion of one male gamete with two polarnuclei Syngamy and triplefusion Fusion of two male gametes with one egg Answer Pollengrainscanbestoredforseveralyearsinliquidnitrogenhavingatemperatureof –120°C –80°C –160°C Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

18. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. –196°C Answer Which among the following is not a prokaryote? Saccharomyces Mycobacterium Oscillatoria Nostoc Answer The two functional groups characteristic of sugars are Hydroxyl andmethyl Carbonyl and methyl Carbonyl and hydroxyl Carbonyl andphosphate Answer Which of the following is true for nucleolus? Larger nucleoli are present in dividing cells It is a membrane-boundstructure It is a site for active ribosomal RNA synthesis It takes part in spindleformation Answer The stage during which separation of the paired homologous chromosomes begins is Pachytene Diplotene Zygotene Diakinesis Answer Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes? Retrovirus Ti plasmid pBR322 λ phage Answer Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people iscalled Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

19. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Bio-infringement Biopiracy Bioexploitation Biodegradation Answer In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public useis Indian Council of Medical Research(ICMR) Council for Scientific and Industrial Research (CSIR) Genetic Engineering Appraisal Committee (GEAC) Research Committee on Genetic Manipulation(RCGM) Answer The correct order of steps in Polymerase Chain Reaction (PCR) is Extension, Denaturation,Annealing Annealing, Extension, Denaturation Denaturation, Annealing, Extension Denaturation, Extension,Annealing Answer Select the correctmatch Ribozyme - Nucleicacid F2 × Recessive parent - Dihybridcross G. Mendel -Transformation T.H. Morgan - Transduction Answer A ‘new’ variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is relatedto Co-667 Sharbati Sonora Basmati LermaRojo Answer Select the correctmatch Alec Jeffreys - Streptococcus pneumoniae Alfred Hershey and Martha Chase -TMV Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

20. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Francois Jacob and Jacques Monod - Lacoperon Matthew Meselson and F. Stah - Pisum sativum Answer Which of the following has proved helpful in preserving pollen as fossils? Pollenkitt Cellulosic intine Sporopollenin Oilcontent Answer The experimental proof for semiconservative replication of DNA was first shown in a Fungus Bacterium Virus Plant Answer Which of the following pairs is wrongly matched? Starch synthesis in pea: Multiple alleles ABO blood grouping:Co-dominance T.H. Morgan:Linkage XO type sex determination:Grasshopper Answer Offsets are producedby Meiotic divisions Mitotic divisions Parthenogenesis Parthenocarpy Answer Select the correctstatement Franklin Stahl coined the term‘‘linkage’’ Punnett square was developed by a British scientist Transduction was discovered by S. Altman Spliceosomes take part intranslation Answer Whichofthefollowingflowersonlyonceinitslife-time Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

21. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Bamboospecies Jackfruit Papaya Mango Answer Nicheis all the biological factors in the organism's environment the physical space where an organismlives the functional role played by the organism where it lives therangeoftemperaturethattheorganismneedstolive Answer In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen? Carbon Cl Oxygen Fe Answer What type of ecological pyramid would be obtained with the following data? Secondary consumer : 120g Primary consumer : 60 g Primary producer : 10g Inverted pyramid of biomass Pyramid ofenergy Upright pyramid of biomass Upright pyramid ofnumbers Answer Which of the following is a secondary pollutant? CO CO2 O3 SO2 Answer World Ozone Day is celebratedon Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

22. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. 5thJune 21st April 22ndApril 16th September Answer Natality refersto Deathrate BirthRate Number of individuals entering a habitat Number of individuals leaving thehabitat Answer MatchtheitemsgiveninColumnIwiththoseinColumnIIandselectthecorrectoptiongivenbelow: Column I ColumnII aHerbariumiItisaplacehavingacollectionofpreservedplantsandanimals ii A list that enumerates methodically all the species found in an area with brief descriptionaiding bKey identification cMuseum iiiIsaplacewheredriedandpressedplantspecimensmountedonsheetsarekept dCatalogueivA bookletcontainingalistofcharactersandtheir alternateswhicharehelpfulin identificationof varioustaxa. ab c d (i)(iv)(iii)(ii) a b cd (iii)(ii)(i)(iv) a b cd Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

23. Biology NEET 2018 Exam Year 2018 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. (iii)(iv)(i)(ii) a b c d (ii)(iv)(iii)(i) Answer Winged pollen grains are present in Mustard Cycas Pinus Mango Answer Which of the following statements iscorrect? Ovules are not enclosed by ovary wall in gymnosperms Selaginella is heterosporous, while Salvinia is homosporous Stems are usually unbranched in both Cycas and Cedrus Horsetails aregymnosperms Answer Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com