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l. 'Mitochondria' were first described by:

E. Buchnon(1930) . Warburg(1920)


Richard Altman (1890) Krebs (1897)


2. Starch storing plastids are called as

Arnyloplasts Leucoplasts


Etioplasts Chloroplasts


3. Av;cenn;a is

Mesophyte Epiphyte


Hydrophyte Mangrove


4. The nucleus is present in the following:

Viruses Bacteria


Blue green Algea Fungi


5. 'Procarnbium' in the Apical meristems is

Homogenous Hete'rogenous


Secondlll)'meristem Noneofthese


6. The following is a 'complex tissue'

ScJerenchyma Xylem


Parenchyma ColJenchyma


7. Medulllll)' vascular bundles are present in

Boerhaavia Strychnos


Bignonia Begonia


8. 'Arnphicribral vascular bundles' are common in

Pteridophytes Monocot


Roots Flowers


9. 'Browning' disease ofcauliflower is due to:
Boron deficiency symptoms Copper deficiency
Pseudomonas infection Fungal infection
10. The function ofchloroplasts in a green plant is

Photo respiration Photosynthesis


Respiration Transport


II. The 'Sieve elements' ofphloem are always associated with:

Albuginous cells Parenchyma cells


Companioncells Fibres


12. like projections sometimes present in the sieve pores are called as

P-Protein F-protein


Slime None ofthese


13. The 'Vascularcambiwn'isa:

Secondary Lateral meristem Primary meristem


Rib meristem Plate meristern


14. 'Acrenchyma' is commonly prescnt in

Mesophytes Hydrophytes


Xerophytes Halophytes


15. 'Closed' bundles are common in

Monocot stems Roots


Pteridophytes None ofthese


16. Medullary vascular bundles are present in the following plant

Bignonia Aclmanthus


Peperomia Clematis


17. 'lntraxylary' and 'lnterxylary' 'phloem' are present in the stems ofthe following plant:

Combretum Strychnos


Sapindus Piper


18. The antibiotics 'Tetracyclines' are formed by:

Streptomyces Penicillium


Aspergillus Trichoderma


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19. 'Elagen meristem' is present in the following:

'Smilax'stem Clematis stem


Aristolochia stem Cucurbita stem


20. 'Tension wood' is fonned over the bending stems of:

Gymmospenns Conifer trees


Monocols Dicotyledons


21. 'Transfer cells' present in minor veins ofleaves were discovered by

Wolff(1759) Schmidt (1920)


Gunning Pate (1972) Feldman (1974)


22. The fflllowing plant has 'trilacunar node'

Clerodendron Azadirachtaindica


Aralia Schemeria


23. After protein biosynthesis protein folding takes place with the help of:

Lipids Chaperone proteins


Lipo-proteins Hsps


24. 'Transposons' were flrstdiscovered in:

The Maize genome Peas


Mice None


25. The following is involved inDNA repair

Lex A protein Rec A protein


RAD protein XP protein .


26. The following is a 'transgenic' rice variety

TN-I IET-4141


Golden Rice Punjab Rice


27. The following tomato variety delays fruit ripening:

Pusarubi Flavr Savr


RajasthanRed HP-21


2S: Ribosomes in Prokaryotes are

SOstype 60s type


70stype Noneofthese


29. 'Viroids' were discovered by:

Winogradsky.O Stanley. W


Koch.R T.O. Diener


30. 'Mad Cow' 'disease' in France was caused by:

Bacteria . Mycoplasmas


PriOlIS Viruses


3I. 'Heterocysts' are present in the following:

Chlamydomonas Volvox


Nostoc Cladophora


32. 'Intercalary Meristem' is present in the algal filaments of:

Chara Nitella


Ectocarpus Porphyra


33. The bacteriophages whicb do not lyse their host cells are called:

P-Phages Temperate phage


Resistant phage Virulent phage


34. 'Cucumber mosaic virus' is transmitted by:

Nematodes Soil


Mechanical means Aphids


35. The function of'mitochondria' is

Osmoregulation Protein synthesis


Electron transport andATP synthesis Glycolysis


36. Velamen tissue is present in

Trinosporaroot Vanda aerial root


Maize root Cucurbita tendrils


37. 'Diplanetism' is common in the life cycle of:

Saprolegnia Peronospora


Pythium Phytophthora


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38. type vascular bundlcsare present in:

Monocot stems Monoco! secondary stems


Primary stems ofDicots All roots


39. 'Bitunicate Asci' are present in

Pyrenomycetes LocuIoascomycetes


Discomycetes Hemiascomycetes


40. 'Phragmobasidia' are present in the following:

Hymenomycetes RtNfungi


Gasteromycetes Aganomycetes


41. The following is a plant parasite:

Cephaleuros viriscens Coleochaele scwala


Oedogonium Kumarzensis Vaucheria terrestris


42. Aflatoxins' in foods are due to

Algal tom Ergot


Clostridial Bacteria Aspergillusflavus


43. 'Club root' ofcabbage is caused by

Plasmodiophora brassicae Albugo candida


Xanthomonas campestris Aphanomyces


44. "Potato scab" disease is due to

Phytophthora Streptomyces


Nocardia Pseudomonas


45. Branched assimilatory filaments are present in the following Bryophyte:

Riccia Plagiochasma


Marchantia Anthoceros


46. The garnetophyte ofAnthoceros contain the following alga as an endophyte:

Nostoc Anabaena


Chlorella None ofthese


47. 'Algal wne' is present in the mol system ofthe following plants

Lichens Coral1oidrootsofCycas


Gnetum None ofthese


48. 'Manoxylic wood' is common in

Cycas Pinus


Gnetum None ofthese


49. 'Window like field pits' are common in the wood of:

Picea Araucaria


Taxodiwn Pinus


50. The following plant is called palm

eyeas revaluta C. Cireinala


C. beddomi C. peelinata


51. The under mentioned gymnospenn plant is called as 'Living Fossil'
The Cyeas Ginkgo bi/oba
Gnetumula Ephedra

52. Thebotanicalname of'icelandmoss' is:

Funaria Cetraria Island/ea


Cladonia Moss plant


53. Club root ofcabbage is due to:
Pseudomanas solanaeeanum Plasmodiophora brassieae
Fusariwn Synchytrium
54. This Botanist introduced the 'Binomial' nomenclature to the plants

Theophrastus Linnlweus


Bessy Bentham and Hooker


55. Ell +3or(3 is the floral fonnulaofthe family:

Palmae Liliaceae


Orchidaceae Gramincac


SSD-240t8-B
56. Br, IG 1is the floral fonnula ofthe family:

Mimosae Papilionaceae


Rosaceae Annonaceae


57. 'Gynostegium'isthecharacterofthefamily:

Compositae Orchidaceoe


Asclepiadacoae Capparidaceoe


58. The floral fonnula-$ belongs to the lamily:

Umbelliferae . Cactaceae


Cucurbitaceae Casuarinaceae


59. 'Gonophylltheory' onoriginofAngiospennswasproposedby:

Meeure(1961) Melville (1963)


Eames (1961) Bessey 915)


60: The following is a fossil wood:

Carytonia Gnetales


Penpxylon Bennettitales


61 The induction offlowering in plants by low temperatures is called

Aoral induction Vemalizu:ion


Artifica1 flowering None ofthese


62. The movements oftcndrils ofcucurbitaceae around a support arc called as

Rotation movements Growth movements


Nutationmovements Tropic movements


63. Those plants which require a light duration ofless than 12 hours for flowering are called:

Short day plants Long day plants


Day neutral plants None ofthese


64. usuallycontains

DU<l Insect parts


PlantDebris Pollen grains


65. Stimulationofgrowthofaxillarybudsaftertheremoval oftenninalbudinaplantiscalled;

Inductionofgrowth RernovalofApicaldominance


Induction for Flowering ApplicationofAuxins


66. The following is a growth inhibitor;

Absicic acid Ethylene


Jasmonic acid Kineus


67. The term' Florigen' appliesto

Steroids Gibberellins


Sex hormones Androgenes


68. The pigments involved in induction offlowering are called;

Plastids ChIorophylis


Phytochromes Plastoquinones


69. Zinc deticiency in paddy results in

Khairadiscasc Malfolmation


Chlorosis Blackening ofthe plants


70. The following isa free living aerobic Nitrogen fixer;

Chlorobium Azotobacter


Cldstridium Beijerenckia


71 . 'Double helix' model ofDNA was constructed by

Robenson(l950) Meselsonand Stahl (1958)


Watson and Crick (1953) Chargaff(1940)


72. 'Interferons' are
DNA molecules RNA
Lipids Proteins
73. The Iilliowing is a C,-plant

Wheat Paddy


Sugarcane Tomato


74. ·lbefollowingsecondarymetabolitecontainNitrogencomponent;

Tcrpenoids F1avonoids


Steroids Alkaloids


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75. The following is a fruit ripening honnonc

Auxins Gibberellins


Ethylene Noneofthese


76. The useful part ofcinnamomum zeylonicum is

Fruit Leaves


Bark Wood


77. Leguminous root nodules possess the following pigment

Leucoplasts Chloroplasts


Haemoglobin Leghaemoglobin


78. Whiterustofmustardisdueto:

Albugo candida Puccinia recondila


Uromyees brassicae Claviceps sp.


79. 'Whipsmut' ofsugarcaneiseaused by:

C/aviceps microcephala Uslilago scilaminea


Urocyslis capulae Phragmidium ajJicinarum


80. 'Agrimycin' is used to control

Fungal Vtral diseases


. Bacterial diseases Mycoplasma diseases


81. 'Captan' is used as

Spray for foliar diseases For seed treatment


As insecticide Vuicidal for viral diseases


82. 'Wheat stem rust' is due to the following pathogen:

Pucciniagraminis Irilici Puccinia slrifarmis


Uromyces copulae Ravenelia r.liana


83. Angular lcafblight ofcotton plant is due to the following pathogen:

Xanlhomonas malvacearum Pseudomonas salanacearum


Phylophlhora parasitica Allernaria ,enuisi


84. 'Alcohol' is fonned by the process of:

Fennentation Respiration


Rotting None ofthese


85. Thefollowingaretheprimaryproducers ofanaquatic ecosystem:

Grasses Typha etc


Zooplankton Phytoplankton


86. The main cause of'Global wanning' is

CFCs Increase in CO,


CH, increase Ozone depletion


87. The Botanical nameof'lndian rosewood' that yields high qualityoftimber is

Pterocarpus santalinus AnogeissllS latifolla


Dalbergia latifolia Albizzia lebbek


88. ·The 'camphor' is obtained from the following plant:

Cinnamomum camphoru Cinnamomum zeylanicum


Santalum album Mentha indica


89. The is made from the leaves ofthe plant:

Cocos cola Carica sinensis


Chenopodium alba Camellia sinensis


90. The stain 'Haema toxylin' is derived from the plant:

Haematoxylon Campechianum Brazilwood


Chlorophora tonctoria Acacia catechu


91. The Botanical name for Tonneric plant is

Morinda cotrifolia Curcuma longa


Zingiber ofJicinalis Lawsonia inermis


92. 'Turpentine' is obtained from

Pinus roxburghii Butea monosperma


Azadirachta indica Acacia arabica


93. Botanical name ofBanana is:

Musa indica He/leonia


Musa maritiana Musaparadisica


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94. The following plant products are used in treating high blood pressure in hwnan beings

Rauvo/fia serpentina Podophyllum hexandra


Allium sa/ivum Allium eepa


95. 'Quinine' the best medicine for curing malaria, is derived from:

Ephedra gerardiana Acacia catechu


Mimusops elongi Cinchona officinalis


96. The following plant is worshipped as a herb:

Ficus religiosa Azadiraehta indica


Ocimum sanctum Calo/rapis prncera


97. The botanical namcof'Saffron' yielding plant is:

Piper betel Crocus sativus


Cuminum eyminum Cen/ella asiatica


98. 'Sohanjana gwn' is obtained from the bark of:

Morinda tinetoria Bixa orellina


Moringa oleifera Gareinia eowa


99. 'Mesquite' is derived from:

Prosopisjulifera Jatropha indica


Jatropha grandulifera Coehliospermum religiosum


100. 'Indian gwn arabic' is obtained from the bark of:

Astragalus gummifer Prunus amygdali


Acacianilotiea Butea monosperma


101. 'The Earth' is the planet in the solar system. Its pro><imity to the is

93rniUionrniles 886rnillionrnile


142rnillionrniles 483rnillionrniles


102. The age ofthe Earth is around:

I billion years 5 billion years


15 billion years 50 billion years


103. Cellular energy is available in the form of:

ixrps DNA


RNA Proteins


104. The origin 0 f the first life on the Earth due to protobionts was proposed by

Aristotle Opatin


Wallace Theophrastus


105. The function of 'Sclcreids' is:

Mechanical support Conduction


Absorption Protection


106. The doctrine of "Struggle for existence" is a part of:

Phylogeny Darwinism


Lamarckism Evolution


107. The "recapitulation theory" was proposed by:

Ernst Haeckal Menda!


Lamarek Weisman


108. 'MutationTheory' fororiginofnewspecieswasproposedby:

Mendel Hugo De Vries


Me Clintock Wallace


109. According to Wegner's Continental Drift theory until late Mesozoic Era only two continents existed, one is Gondwana, the second is

Eurasia Laurasia


Polynesia America


110. The following isa 'disaccharide'

Glucose Fructose


Sucrose Xylose


111. The following is an 'aromatic amino acid'

Glutamine Arginine


Methionine Tyrosine


112. Thc Bacterial cell wall is mainly made of:

Pcptidoglycans Mannans


Glucornannans None ofthese


SSD-240,18-B 14
113. The wall less bactcria are called as;

Sphaeroplasts Protoplasts


VIruses None


114. The fungusccll wall is composed rnainlyof:

Glucose Polysaccharides


Chitin Protein


115. The plant cell walls are constructed by;

Proteins Cellulose


Lipids Ugniru;


116. Neighbouring plant cells are communicated through

Plasmodesmata Plasma membrane


Ccll wall exteru;ioru; None ofthese


117. The main function ofplasma membrane is Regulationofmovementofsubstances into and outofthecells

Sigrnlling


To keep all the components together


Forcommunicationtoothercells


18, The mainfunctionof'Mitochondria'is;

Respiration Reproduction


Synthesis Excretion


119. Themainfunctionof'Ribosomes' is;

Secretion Osmoregulation


Growth' Protein synthesis


120. The following'cell organelle contain

Chloroplast Mitochondria


Ribosome Nucleus


SSD-24018-B IS