Botany JEE NEET Set 1 April 22, 2019 by admin 1. Processes which can never occur in the structure called “Cell brain” are A. Polymerisation of ribonucleotides B. Synthesis of ‘energy currency of cell’ C. Polymerisation of deoxyribonucleotides D. Polymerisation of amino acids 1) A and B 2) C and D 3) A and C 4) B and D 2. ‘Vascular cryptogams’ are not the first group to exhibit 1) Heterospory 2) Root system 3) Complex tissues 4) Homospory 3. Study of arrangement of perianth parts in bud condition, is not possible in 1) Calotropis 2) Glycirrhiza 3) Euphorbia 4) Allium 4. Apple, Custard apple, Pine apple and thorn apple are 1) Parthenocarp, Pseudocarp, Baccate fruit, Schizocarp 2) Pseudocarp, Etaerio of berries, Composite fruit and true fruit 3) Simple fruit, Aggregate fruit, False fruit and multiple fruit 4) Amphisarca, Balausta, Cypsela and Drupe 5. S-I : Virus resistant plants can be recovered from virus infected plants in Potato and Banana by shoot apex culture S-II : Pollen culture involving colchicine treatment always results in the production of male homozygous diploid plants only. 1) S-I is true and S-II is false 2) S-I is false and S-II is true 3) S-I and S-II are false 4) S-I and S-II are true 6. A pure pea plant having yellow pods and yellow cotyledons is crossed with another pure pea plant having green pods and green cotyledons. What will be the ratio of recombinants and non-recombinants in F2 generation? 1) 5 : 3 2) 9 : 7 3) 9 : 4 : 3 4) 3 : 5 7. Synthesis of human insulin in E.coli cells is the best evidence for 1) Ambiguity of genetic code 2) Universality of genetic code 3) Non cognate genetic code 4) Genetic code is not degenerate 8. Select the nutritive tissue in the structure of anther 1) –S 2) –R 3) –Q 4) P 9. Inner most layer of the extrastelar ground tissue system of roots, is characterised by 1) Casparian bands 2) Starch grains 3) Complementary cells 4) Intercellular spaces 10. Select the incorrect statements (i) Cell organelle within cell organelle is plasmosome (ii) Factory of protein factories is ergosome (iii) Membraneless non-cell organelle is centrosome (iv) nucleosomes are ribonucleoprotein bodies (v) A eukaryotic cell in a eukaryotic cell is vegetative cell 1) ii, iii and iv only 2) i, iv and v only3) iii, iv and v only 4) i, ii, iii, iv and v only 11. Which of the following is less general in characters compared to family 1) Domain 2) Phylum 3) Cohort 4) Genus 12. Feature unrelated to slime moulds 1) Connecting link between protista and Fungi 2) Multinucleate body 3) Vegetative phase resembles with plants and reproductive phase with animals 4) Multiply by plasmotomy 13. In the given diagrams the correct labelling of A, B, C, D, respectively, is 1) A-Frond, B-Stipe, C-Branches, D-Holdfast 2) A-Flagella, B-Frond, C-Holdfast, D-Stipe 3) A-Air bladder, B-Holdfast, C-Stipe, D-branches 4) A-Air bladder, B-Frond, C-branches, D-Daughter colony 14. Match the items of Column-I with those in Column-II A B C D E 1) R P T S Q2) Q P S R T 3) S P Q T R 4) P T R Q S 15. Identify the set of plants without archegonia 1) Chara, Cladophora, Capsicum and Colchicum 2) Marchantia, Marselia, Cycas and Pinus 3) Riccia, Pteris, Polytrichum, Cycas 4) Sphagnum, Adiantum, Salvinia, Ginkgo 16. A family not delimited by the type of inflorescence is 1) Asteraceae 2) Poaceae 3) Liliaceae 4) Euphorbiaceae 17. After initial growth maize stem elongates by the activity of 1) Intercalary meristem 2) Intrafascicular cambium 3) Interfascicular cambium 4) Secondary cortical cambium 18. Mesokaryotic condition and mixotrophic nutrition are found, respectively, in 1) Noctiluca and Euglena 2) Euglena and Gonyaulax 3) Entamoeba and Cosmarium 4) Pinnularia and Paramoecium 19. Fuel of photosynthetic carbon oxidation, is 1) Glycerate 2) Glycolate 3) Glyceride 4) Glyoxylate 20. Deficiency of the following nutrients causes inhibition of cell division, delay in flowering and chlorosis 1) Nitrogen and Sulphur 2) Potassium and Magnesium3) Calcium and copper 4) Zinc and Molybdenum 21. Who of the following scientists is not concerned with O2 release from water in photosynthesis? 1) Julius von Sachs 2) Van Neil 3) Robert Hill 4) T.W. Engelman 22. The correct sequence of electron acceptors in respiratory electron transport is 1) Cyt a, a3, c 2) cyt b, c, a, a3 3) cyt c, b, a, a3 4) Cyt a3, c, b, a 23. Identify the non-suberised loosely arranged cells for gaseous exchange in the given diagram 1) C 2) B 3) A 4) D 24. Which of the following transforms more amount of radiant energy into chemical energy 1) P700 chl a 2) P680 chl a 3) Lycopene 4) Phycoerythrin 25. Which one of the following statements regarding enzymes is wrong 1) Most enzymes are non-proteins but some are ribozymes 2) Enzymes require optimum temperature for maximum activity 3) Majority of the enzymes function well at neutral pH 4) Enzymes are active in minute concentration also 26. Select the correct match Column – I Column – II A. Terminalisation I. Pachytene B. Synapsis II. Anaphase II C. Disjunction III. Zygotene D. Recombinations IV. Anaphase I V. Diakinesis A B C D 1) III V IV II 2) V III II I 3) V III IV I 4) III IV II V 27. Which of the following cannot freely interbreed in nature A. Winter and spring varieties of wheat B. LDP and SDP varieties of Tobacco C. Tall and Dwarf varieties of Pea D. Red and white flowered varieties of Dog flower 1) C and D 2) A and C 3) B and D 3) B and D 4) A and B 28. The ploidy levels of embryo, perisperm and endosperm in the seeds resulted by crossing 4n female and 6n male plants of piper nigrum, respectively, are 1) 5n, 4n, 7n 2) 7n, 5n, 4n 3) 4n, 5n, 7n 4) 5n, 7n, 4n 29. Consider the following statements and select the wrong one 1) Motile spores and gametes are absent in Rhodophyceae 2) Perfect stages are rare of occurrence in Deuteromycetes 3) Though sex organs are formed, sexual reproduction is missing in Basidiomycates 4) All bryophytes are homosporons 30. Select the wrong match for microbial products 1) Monascus penpureus – Statins 2) Trichoderma polysporium – Cephalosporin A 3) Streptococcus – Streptokinase 4) Penicillum notatum – Penicillin 31. A leafy vegetable ‘bathua’ produced by IARI is rich in 1) Vitamin A, proteins, calcium 2) Calcium, iron and vitamin C 3) Vitamin D, lysine and tryptophan 4) Iron, vitamin B and carotene 32. Culture of the following SCP organism does not require any organic nutrients in the nutrient medium 1) Spirulina 2) Methylophilus 3)Candida 4) Brevibacterium 33. How many of the following statements are correct A. Yellow mosaic resistance mung bean was developed by hybridisation B. Yellow mosaic resistant bhindi was produced by mutation breeding C. White rust resistant mustard was developed by hybridisation D. Pomato was developed by somatic hybridisation E. Golden rice variety was produced by trans genies 1) Four 2) Three 3) Two 4) One 34. An abnormality in humans called ‘Sickle cell anemia’ is resulted due to point mutation leading to the change of 1) Glutamate in to valine 2) Valine into glutamate 3)Alamine into Senine 4) Glycine into valine 35. Consider the following statements and select the number of correct statements 1. Replication of DNA is carried out by semi-conservative method in prokaryotes only 2. Hershey and chase conducted transformation experiments to confirm the genetic nature of DNA 3. Three types of RNA polymerases or formed in the nucleus of eukaryotes 4. After transcription also gene regulation is possible in eukaryotes 1) One 2) Four 3) Three 4) Two 36. Main function of centromere is 1) Chromosome splitting 2) to help in migration of chromosomes to the poles 3) Crossing over 4) Cytokinesis 37. Identify A. B. C. D in the following diagram 1) Amonoacid acceptor end, anticodon, codon, mRNA 2) codon, mRNA, Anticodon, Aminoacid acceptor end 3) Autocodon, Codon, mRNA, Aminoacid acceptor end 4) mRNA, anticodon, codon, Aminoacid acceptor end 38. Primary succession results in formation of communities on area 1) After afforestation 2) Of abandoned crop field 3) With no record of earlier vegetation 4) After heavy floods spoiled agricultural field 39. Which of the following statements are correct A. Guttation is the manifestation of root pressure B. Natural antitranspirant is PMA C. Turgor pressure, wall pressure and pressure potential of a cell, all are numerically equal with same sign D. High nitrogen to carbon ratio is found in Ureids 1) A B C only 2) B, C, D only 3) A B C D only 4) A, C, D only 40. S-I : Linked genes get separated due to crossing over S-II : The closer the genes on a chromosome the more is the probability of recombinations 1) S-I and S-II are false e2) S-I is false and S-II is true 3) S-I is true and S-II is false 4) S-I and S-II are true 41. Regarding ATP synthesis in aerobic respiration select the correct match A B C D 1) III IV I V 2) IV III II I 3) IV III V I 4) III I IV V 42. Identify the correct matched related to plant movements 1) Migration of male gametes in bryophytes and pteridophytes - Chemotropism 2) Growth of pollen tube – Chemotactism 3) Avena coleoptiles – Phototropism 4) Sleeping movements in legumes – Thermonasty 43. Which of the following statements is true 1) Microbe resistant plant material is sporopollenin 2) Each node is a propagule in Opuntia 3) Bryophyllum reproduces through bulbils 4) Apomictic embryos in Citrus arise from zygote 44. Stirred tank bioreactors have been designed for 1) Obtaining pure product 2) Addition of preservatives to the product 3) The non requirement of any quality control test 4) Ensuing aerobic conditions in the culture vessel 45. The first clinical gene therapy was given for treating 1) Breast cancer 2) ADA deficiency 3) Meningitis 4) Chicken Pox 46. Which of the following statements about classification is true? i) Members of a family are less similar than members of an included genus ii) An order has more members than the number of members in as included genus iii) Families have more members than phyla iv) Members of a family share a common ancestor in the more distance past than members of an included genus v) The number of species in a taxon depends on their relative degree of similiarity 1) i, ii, iii, and iv 2) i, ii, iv and v 3) ii, iii and v 4) All of these 47. Bacteria differ from cyanobacteria by which of the following features? i) Absence of flagella and fimbriae ii) dsDNA without attached histones iii) Anoxygenic photosynthesis iv) Stored food as glycogen v) Absence of N2 Fixing cells like heterocysts 1) (i), (ii) and (iv) 2) (ii), (iv) and (v)3)(iii), (iv) and (v) 4) (i), (iii), (iv) and (v) 48. Read carefully the table and fill up the blanks; A,B,C and D in the above table refer to 1) A-chlorophyll-a and d; B-Starch and Laminarin; C-Cellulose; D-2-10 equal apical2) A-chlorophyll-a and c; B-Mannitol and starch; C-Cellulose & algin, D-2-8 equal lateral 3) A-chlorophyll-a and b; B-Floridean starch; C-Cellulose & algin; D-Not present 4) A-chlorophyll-a and d; B-Mannitol and floridean; C-Cellulose; starch; D-Not present 49. How many of the following statements are true i) Volvox and Fucus show oogamy ii) Agar is commercially obtained from Gelidium and Gracillaria iii) Gametophyte is parasite on sporophyte in Sphagnum iv) Funaria is monoecious and Marchantia is dioecious v) Source of SCP are Spirullina and Chlorella 1) 42) 33) 54) 2 50. Which of the following is a heterosporus fern 1) Salvinia 2) Selaginella 3) Dryopteris 4) Lycopodium 51. What is common in all the three, Funaria, Dryopteris and Ginkgo 1) Independent sporophyte2) Presence of archegonia 3) Well developed vascular tissues 4) Independent gametophyte 52. Eight bacteria kept in cup divide repeatedly and produce 64 bacteria in 2 hours. Find the time consumed in binary fission. 1) 15 minutes 2) 20 minutes 3) 40 minutes 4) 30 minutes 53. Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms i) Methanogens are archaebacteria which produce methane in marshy areas ii) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen iii) Chemosynthetic autotrophic bacteria synthesise cellulose from glucose iv) Mycoplasma lack a cell wall and can survive without oxygen. 1) (ii) and (iii) 2) (i), (ii) and (iii) 3)(ii), (iii) and (iv) 4) (i), (ii) and (iv) 54. Match the columns, I, II and III and choose the correct combination from the options given 1) a – 2 – K , b – 1 – K, c – 3 – L 2) a – 2 – L , b – 3 – K, c – 1 – L 3) a – 2 – K , b – 3 – K, c – 1 – L 4) a – 2 – L , b – 3 – K, c – 1 – K 55. Which of the following is a correct sequence during life cycle of angiosperm for the following terms/ events? A.Pollen grain B. Sporogenous tissue C.Microspore tetrad D.PMC E.Male gamete 1) B→D→C→A→E2) B→C→D→A→E3) C→B→D→A→E4) C→D→B→A→E 56. Ability of sigma to recognise the pollen whether it is of right type or the wrong type 1) Starts by a chemical dialogue between pollen and stigma 2) Can occur even inside the styler canal when pollen tube growth is inhibited 3) Is called pollen-pistil interaction 4) All are correct 57. Choose correct option for A,B,C and D of a dicot embryo 1) A-Hypocotyl; B-Cotyledons; C-Root cap; D-Radicle 2) A- Cotyledons; B- Hypocotyl; C- Root cap; D-Radicle 3) A- Cotyledons ;B- Hypocotyl;C- Radicle ;D- Root cap 4) A- Cotyledons; B- Radicle; C- Hypocotyl; D- Root cap 58. Which of the following four phases, in the post emergence life of an angiospermic plant, begins just after germination of seed and ends when the plant develops the capacity to reproduce ? 1) Death 2) Maturity 3) Ageing 4) Juvenility 59. Which of the following is true w.r.t. grafting 1) Very commonly practiced in monocot plants 2) In air layering i.e. one typed grafting uses auxin to induce rooting 3) Stock is shoot piece which is used in grafting 4) New plant produced after grafting produces fruits similar to scion source 60. Which of the following is true statement 1) Pribnow box lies in mRNA in upstream stream sequence. 2) In clover leaf model of tRNA, amino acid is attached to 5’ by ester bond, if it is a charged one 3) Translation is initiated by factor, formed of -chain, of RNA polymerase enzyme 4) Sn RNA, 5S RNA and tRNA are transcribed with the help of RNA polymerase lll in eukaryotes 61. DNA with one strand labeled with radioactive thymidine. Allowed to replicate in normal nutrient medium for three generations. Then proportion of DNA molecules showing radioactivity is 1) 12.5% only 2) 25% 3) 6.25% 4) 50% 62. A,B,C and D lies on same chromosome with given distances between them, as AD=60 morgan, AB-38 morgan, DB=22 morgan and AC=18 morgan. Find the sequence of four genes on the chromosome 1) A,C,B and D 2) C,A,B and D 3) D,B,A and C 4) any of these 63. In garden pea, round shape of seeds is dominant over wrinkled shape. A pea plant heterozygous for round shape of seed is selfed and 1600 seeds produced during the cross are subsequently germinatied. How many seedlings will have the parental phenotype? 1) 400 2) 16003) 1200 4) 800 64. Anticodon is a base triplet present on 1) mRNA complementary to base sequence on rRNA2) mRNA, complementary to base sequence on tRNA 3) tRNA, complementary to base sequence on rRNA 4) tRNA, complementary to base sequence on mRN 65. Identify P,Q,R and S in the given diagram 1) P-Bundle sheath cell, Q-Regeneration R-Decarboxylation, S-Carboxylation 2) P-Bundle sheath cell, Q-Regeneration R-Decarboxylation, S-Fixation 3) P-mesophyll cell, Q-Regeneration R-Decarboxylation, S-Carboxylation 4) P-Bundle sheath cell, Q-Regeneration R-Carboxylation, S-Fixation 66. Which of the following is a correct match 1) Zn++ - an activator of alcohol dehydrogenase 2) Mn++ and Mo-an activator of PEP case 3) Fe+++ - activator of succinate dehydrogenase 4) Cu – part of cyta and cyta3 67. A cell under hypertonic solution shows incipient plasmolysis, then what will be present between cell wall and cell membrane 1) Water with ΨW zero2) Solution with same ΨW , as solution out the cell3) Water with slightly high ΨW as compare to solution outside the cell4) Vacume 68. A cell is kept in hypotonic solution, after sometime is 1) OP ↓ and ΨS ↑2) ΨW↑ and DPD ↓3) ΨP and TP both ↑4) all of the above 69. Which of the following are correct statements? j) Pinus and orchid seeds can’t germinate and establish without the formation of mycorrhiza k) Plants absorbs maximum water from the soil by passive absorption l) In endodermis region of roots, water follow symplastic pathway m) High O2 concentration high light intensity induces photorespiration in sciophytes. n) paper used to compare transpiration from two surfaces of leaf 1) j, k and m only 2) l, m and n only 3) j, k and n only 4) All of these 70. Which of the following instruments are correctly matched, except? i) Potometer – Transpiration rate ii) Atmometer – Demonstrate transpiration pull iii) Auxanometer – Growth measurement iv) Ganog’s light screen – Measure light intensity v) Manometer – Demonstreate toot pressure 1) (iv) 2) (ii) 3) (iii) 71. A primary root grows from 10 cm to 30 cm in a day. Calculate the Absolute Growth Rate (AGR) and Relative Growth Rate (RGR) over the period AGR 1) 20 cm 300%2) 10 cm 200%3) 20 cm 200%4) 20 cm 30% 72. Which of the following is a wrong match? 1) Bolting in rosette plant - GA32) Avena curvature test – IAA 3) Induction of immediate stomatal closure – ABA 4) Induction of growth in axillary buds – Ethephon 73. Find the correct match w.r.t annual rings 1) 12) 23) 34) 4 74. In dicotyledonous stem, which of the following is the sequence of tissues from inside to outside? 1) Pith, phloem, cambium protoxylem, metaxylem, pericycle, parenchyma, collenchyma, endodermis and epidermis 2) Pith, cambium, phloem, protoxylem, metaxylem, pericycle, endodermis, parenchyma, collenchyma and epidermis 3)Pith, phloem, protoxylem, metaxylem, cambium, pericycle, endodermis, parenchyma, collenchyma and epidermis 4) Pithm protoxylem, metaxylem, cambium, phloem, pericycle,endodermis, parenchyma, collenchyma and epidermis 75. Match Column I with Column II and select the correct option Column – I Column - II Ascomycetes i) Ustilago Phycomycetes ii) Saccharomyces Basidionycetes iii) trichoderma Deuteromycetes iv) Albugo 1) A – (ii), B – (i), C – (iv), D – (iii) 2) A – (iv), B – (iii), C – (ii), D – (i) 3) A – (ii), B – (iv), C – (i), D – (iii) 4) A – (iii), B – (iv), C – (i), D – (ii) 76. 1/4 TT : 1/2 Tt : 1/4 tt is the binomial expansion of 1) [(1/2)T + (1/2)t]22) [(1/4)T + (1/4)t]23) [(1/4)T + (1/2)t]24) [(1/2)T + (1/4)t]2 77. Identify the incorrect statements I) Trichoderma species are symbiotic fungi II) Baculoviruses are nothing but bacteriophages III) Diphtheria is commonly known as kali khansi IV) Microbes are used to ferment fish, soyabean and bamboo-shoots to make foods 1) Except IV 2) IV only 3) I, II and IV only 4) II, III only 78. Select the correct statement regarding activated sludge formed during secondary sewage treatment 1) A small part of it is rapidly pumped back from sedimentation tank to aeration tank2) It absorbs pathogenic bacteria present in waster water while sinking to the bottom of the settling tank 3) A major part of it is anaerobically digested 4) Both (a) and (c) 79. Root nodules (tubercles) are found on 1) primary root only 2) branchlets only 3) secondary roots only 4) primary and secondary roots 80. Colchicine is an alkaloid used to double the number of chromosomes (Polyplody). It is obtained from 1) Rhizome of colchicum autumnale 2) Corms of C. autumnale 3) Bulbs of C. autumnale 4) Root tubers of C. autumnale 81. The needle like cladodes of Asparagus are metamorphosed stem for 1) reducing transpiration 2) increasing photosynthesis 3) protecting plant from browsing 4) none of the above 82. Which inflorescences are of similar type? 1) Corymb and hypanthodium 2) Cyathium and cymose 3) Verticillaster and spike 4) None 83. The fruit of Annona squamosa (custard apple) develops from 1) polycarpellary apocarpous gynoecium 2) polycarpellary, syncarpous ovary and thalamus 3) single ovary 4) polycarpellary, syncarpous ovary 84. How many DNA fragments will be obtained on the digestion of a linear DNA and a circular DNA with a type of restriction enzyme having four recognition sites in both the cases? 1) 12) 23) 34) 4 85. Different types of plastids (chloroplast, chromoplast and leucoplast) are quite related as: 1) These all store lipids and starch 2) These are restricted to the green parts of a plant 3) These al perform almost same function 4) These are interconvertible depending upon the requirement of an organ 86. Select the correct statement 1) During early-M-phase cells may have more than 2C content of DNA 2) During early S-phase cells have 4C content of DNA 3) Replication continues in G2-phase 4) In plant cells G0-phase is absent 87. How many chromosomes will be found in a cell at anaphase –II having 2n = 50 ? 1) 50 2) 40 3) 100 4) 25 88. The number of Phosphodiester bonds and ester bonds Present in 13.6 nm length DNA 1) 158 and 178 2) 80 and 160 3) 98 and 118 4) 78 and 158 89. Which is incorrect about coenzyme 1) Every enzyme is a cofactor and every cofactor is a coenzyme 2) Every coenzyme is a cofactor and every cofactor is not a coenzyme 3) Most of the coenzymes are nucleotides and are composed of vitamins 4) Coenzymes are the active constituents of enzymes. 90. The assemblage of all the population of different species that function as an integrated unit through coevolved metabolic transformation in a specific area is called 1) biome 2) biotic community 3) population 4) ecosystem 91. Which of the following taxonomical aids are used in identification of both plants and animals? 1) Herbarium only2) Keys & Herbarium only 3) Museums only 4) Keys & Museums 92. Wall less protistans among the following are 1) Chlamydomonas & Chlorella 2) Paramoecium & Amoeba3) Nostoc & Anabaena 4) Diatoms & Dinoflagellates 93. Exogenous and endogenous spores of sac fungi respectively are 1) Conidia and zoospores 2) Ascospores and zoospores3) Conidia and ascospores 4) Zoospores and ascospores 94. Agar - agar, an inert polysaccharide is extracted from 1) Polysiphonia and Porphyra, members of red algae2) Gracilaria and Gelidium members of brown algae3) Ectocarpus and Laminaria, members of brown algae4) Gracilaria and Gelidium, members of red algae 95. Study the following diagrams & choose the correct option. 1) It is a dioecious pteridophyte producing antheridiophore and archegoniophore 2) It is a dioecious alga producing antheridiophore and archegoniophore 3) a- Male plant of Marchantia, b-Female plant of Marchantia 4) a- Female plant of Marchantia, b-Male plant of Marchantia 96. Find out the incorrect pair 1) Brassica, Datura - Radial symmetry 2) Cassia, Dolichos - Zygomorphic3) Pea, Gulmohur - Bilateral symmetry 4) Canna, Cassia – Actinomorphic 97. The following is not a fungal plant disease 1) Brown rust of wheat 2) Late blight of potato3) Black rot of crucifers 4) Red rot of sugarcane 98. How many plants among the following have opposite phyllotaxy. China rose, Sun flower, Mustard, Alstonia, Guava, Calotropis and Nerium? 1) Two 2) Three 3) Four 4) Five 99. Bicollateral vascularbundles are present in which part of the Solanaceae and Cucurbitaceae members 1) Root 2) Leaves 3) Stem 4) All the above 100. Which of the following are the simple mechanical tissues 1) Parenchyma and Collenchyma 2) Sclerenchyma and Collenchyma3) Primary xylem and Primary phloem 4) Bast and Leptome 101. Structures observed both in prokaryotic and eukaryotc cells are 1) 70s ribosomes, cytoplasm, plasma membrane2) 80s ribosomes, plastids, cytoplasm, mesomes3) 80s ribosomes, mitochondria, vacuoles4) 70s ribosomes, ER, dictyosomes 102. Which of the following statement is wrong? 1) Uracil is a pyrimidine 2) Sucrose is a disaccharide3) Cellulose is a homopolysaccharide 4) Glycine is a sulphur containing amino acid 103. If the content of DNA in a chromosome is 2C after M-phase, what will be the content of DNA at G1 phase chromosome and S - phase chromosome of mitosis? 1) 2C & 4C 2) 4C & 4C 3) 4C & 2C 4) 2C & 3C 104. Meiosis involves 1. One nuclear, one chromosomal and one cytoplasmic division, one cycle of DNA replication2. Two nuclear, one chromosomal and two cytoplasmic divisions, one cycle of DNA replication3. One nuclear, two chromosomal and one cytoplasmic division, one cycle of DNA replication4. Two nuclear, two chromosomal and two cytoplasmic divisions, two cycles of DNA replication 105. Among the following the no. of asexual reproductive structures is/are Gemmae of Marchantia, Epiphyllous buds of Bryophyllum, Bulbils of Agave Rhizome of zinger, Tuberous stem of potato, Offsets of Pistia, Zoospores of Chlamydomonas, Hormogonia of Nostoc 1) 2 only 2) 4 only 3) 6 only 4) All eight 106. Study the following diagrams and identify the option containing correct set answers 1) A- Female gamete, B-Male gamete of Cladophora 2) A- Female gamete, B-Male gamete of Fucus 3) A- Female gamete, B-Male gamete of Homo sapiens 4) A- Male gamete, B-Female gamete of Fucus 107. In dicot roots, the pericycle gives rise to 1) Lateral roots and a part of vascular cambium2) Cortex and pith3) Xylem and Phloem4) Epidermis and vascular bundles 108. Read the following character given with respect to short distance transport and identify correct combination Property Simple diffusion Facilitated diffusion Activetransport I) Requires special Yes No Yes membrane proteins II) Requires ATP energy No No Yes III) Highly selective Yes Yes No IV) Uphill transport No No Yes 1) I and II 2) II and III 3) II and IV4) III and IV 109. Ψw and Ψpare zero respectively for 1) Pure water and Flaccid cell 2) Flaccid cell and Turgid cell3) Pure water and Turgid cell 4) Flaccid cell and Pure water 110. Resistance to shoot and fruit borer is observed in a bhindi variety namely 1) Pusa Swarnim 2) Pusa Sawani 3) Pusa Gaurav 4) Pusa Sem-2 & 3 111. Find out mismatch 1) Mg – Macromineral element 2) Mn – Micromineral element3) B – Macromineral element 4) Ni – Recently discovered trace element 112. The biocatalyst ribozyme is synthesized by a process called 1) Replication 2) Reverse transcription3) Transcription 4)Translation 113. Photorespiration is performed by 1) Peroxisome 2) Chloroplast 3) Mitochondrion 4) All the above 114. If 24 molecules of erythrose-4- phosphate are formed in Calvin cycle. What is the number of CO2 molecules fixed? 1) 48 2) 72 3) 52 4) 36 115. Which of the following kinds of plants fix carbon dioxide by Crassulacean Acid Metabolism (CAM) pathway 1) Sorghum 2) Cactii 3) Grass 4) Chlorella 116. When PS-I is excited with the light of wavelength greater then 680nm, photophosphorylation occurs due to cyclic flow of electrons, results in synthesis of 1) NADPH + H+ and ATP 2) only NADPH + H+ 3) only ATP 4) NADH and ATP 117. The minerals involved in water-splitting reaction during light phase of photosynthesis is/are 1) Calcium, Magnesium and Chlorine 2) Calcium, Potassium and Manganese3) Calcium, Manganese and Chlorine 4) Calcium, Molydenum and Manganese 118. Krebs cycle starts with the formation of six carbon compound by a reaction between 1) Succinic acid and pyruvic acid 2) Malic acid and Acetyl CO-A3) Fumaric acid and pyruvic acid 4) OAA and Acetyl CO-A 119. A common step for both aerobic and anaerobic respiration is 1) ETS 2) Oxidative decarboxylation of pyruvic acid3) Glycolysis 4) Krebs cycle 120. Which site of a tRNA molecule forms hydrogen bonds with particular codon of mRNA molecule? 1) DHU loop 2) Anticodon end3) Accessory arm 4)3' end of the t-RNA molecule 121. Match the following Column-I (Tissues) Column-II (Product of) 1) Julius Von Sachs A) Polynucleotide Phosphorylase 2) Hershy and Chase B) Chromosome maps 3) A. Sturtevant C) Hydrophonics 4) Severo Ochoa enzyme D) Genetic nature of DNA 1) C-1,A-2,B-3,D-42) A-1,C-2,B-3,D-43) D-1,C-2,A-3,B-44) C-1,D-2,B-3,A-4 122. The leaves of the juvenile plant are different in shape from those in mature plant in 1) China rose 2) Mango 3) Delphenium 4) Nerium 123. The phytohormone/s which play(s) an important role in development, maturation and dormancy of seeds is I. GA3 II. ABA III. IAA IV. Kinetin 1) I and III 2) II and III 3) II alone 4) III and IV 124. Find out the correctly matched one 1) PCR method - Gene insertion into a desired host cell2) Spooling-Separation of DNA fragments in electric field3) Elusion - Insertion of desired gene into a vector4) Biolistic method - DNA transfer method into host cells 125. DNA polymerase enzyme used in PCR technique is isolated from 1) Thermus aquaticus 2) E. coli3) Salmonella typhimurium 4) Streptococcus pneumoniae 126. The probabilities of homozygous tall, heterozygous tall, and homozygous dwarf plants in F2 generation of a monohybrid cross respectively, is 1) 1/4, 1/2, 1/4 2) 1/2, 1/4, 1/2 3) 1/2, 1/4, 1/4 4) 1/4, 1/4, 1/2 127. Number of genotypes present in yellow round, yellow wrinkled, green round and green wrinkled phenotypes of 2F generation progeny of Mendel’s dihybrid cross respectively is 1) 1, 2, 2, 4 2) 4, 1, 2, 2 3) 2, 1, 2, 4 4) 4, 2, 2, 1 128. Which one among the following represents the correct method of replication of DNA 1)2) 3)4) 129. Find the correct match I) Aspergillus niger — fungus — citric acid II) Streptococcus — bacterium — streptokinase III) Trichoderma polysporum — fungus — cyclosporin A IV) Monascus purpureus — yeast — statins The correct answer is 1) I, II, IV only 2) I, II, III only 3) II, III, IV only 4) I, II, III, IV 130. Pioneers of xerarch succession are 1) Vascular archegoniates 2) Archegoniate spermatophytes3) Non- archegoniate spermatophytes4) Composite plants having thalloid body with light harvesting pigments and thalloid bodywith chitinous cellwalls 131. Go through the diagram given below and indentify the option having correct set of answers 1) A – Long shoot, B- Dwarf shoot, C- Seeds of Ginko plant 2) A – Long shoot, B- Dwarf shoot, C- Seeds of Sequoia plant 3) A – Dwarf shoot, B- Long shoot, C- Seeds of Ginko plant 4) A – Dwarf shoot, B- Long shoot, C- Seeds of Pinus plant 132. Number of amembraneous structures from the following is/areRibosome, Centriole, Cytoskeleton, Peroxisome, Nucleolus, Inclusion bodies, Power house of the cell 1) 7 2) 5 3) 6 4) 4 133. The following set of cell organs are included in endomembrane system 1) Lysosomes, Mitochondria, Chloroplast 2) Dictyosome, Mitochondria, Chloroplast3) Glyoxysome, Mitochondria, Chloroplast 4) ER, Golgicomplex, Suicidal bags, Vacuoles 134. Read the following and identify the correct statement 1) The price of earth’s fundamental ecosystem services is – US $18 trillion2) Among the all ecosystem services soil formation alone accounts for about 50%.3) Bees are alone responsible for 30-45% of food production in US by bringing cross pollination in crops4) The lungs of the word are cows, buffaloes, goats and sheep Loading...
