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ROUGH WORK


1. The proponent of chemisynthetic hypothesis concerning the origin of life is

Haldane Oparin


Darwin Miller


2. Chiasmata formation takes place in this stage

Leptotene Zygotene


Pachytene Diplotene


3. Base pair replacement involving the substitution of adenine by guanine is

Transition Transversion


Translation Transposition


4. The smallest genetic unit that can undergo crossing over is

Cistron Muton


Recon Exon


5. The cell organelle which plays an important role in 'Cell plate' formation during cell division is

Mitochondria Golgi bodies


Lysosomes Amyloplasts


6. The studies conducted on 'Evening Primrose' led to the establishment of this theory

Theory of inheritance of acquired characters


Natural Selection Theory


Mutation Theory


Neo-Lamarckism


7. The chemical employed to induce Euploidy is

Methyl methane sulfonate Colchicine


Polyvinyl pyrrolidone Polyoxyethylene


8. In which of the following phase of cell cycle, DNA replication takes place

G1 phase G2 phase


S phase M phase


9. Which of the following is indicative of the term 'Alburnum'

Spring wood Autumn wood


Heart wood Sap wood


10. Organelle without membrane envelope is

Nucleolus Peroxisome


Glyoxysome Vacuole


11. Commercial bread wheat is

Autohexaploid Allohexaploid


Autotetraploid Allotetraploid


12. The shape of metacentric chromosome is

Rod shape J-shape


V-shape Z-shape


13. 2n 2 genomic formula refers to

Monosomy Nullosomy


Trisomy Tetrasomy


14. Floridean starch is the reserve food material in

Laminaria Polysiphonia


Chara Nostoc


15. An example to centrales diatoms is

Cyclotella Rhabdonema


Gamphonema Navicula


16. The chief source of alginic acid is

Chondrous Gelidium


Vaucheria Ascophyllum


17. Mucopolypeptides are the cell wall components in

Rhodophyceae Cyanophyceae


Xanthophyceae Bacillariophyceae


18. Meiosis is gametogenic in

Ectocorpus Cladophora


Sargassum Batrachospermum


19. In the life cycle of Puccinia graminis, which of the following stage occurs on Barbery plant

Aecial Basidial


Telial Uredinal


20. A saucer shaped mycelial mat with short and closely packed conidiophores is referred to as

Rhizomorph Acervulus


Stromata Sclerotia


21. Clamp connections are the characteristic feature of

Zygomycotina Ascomycotina


Basidiomycotina Deuteromycotina


22. The shape of Rhabdo virus is

Rod Polyhedral


Tadpole Bullet


23. Rhodospirillum is an example to

Photoautotroph Chemoautotroph


Photoheterotroph Chemoheterotroph


24. Which of the following is a viroid disease

Potato spindle Rice dwarf


Tobacco necrosis Blue tongue


25. Streptomyces fradiae is the source for

Kanomycin Polymixin-B


Neomycin Bacitracin


26. Construction of first recombinant DNA using plasmid of Salmonella typhimurium was conducted by

Werner Arber and Nathans Boliver and Rodriguez


Kornberg and Smith Cohen and Boyer


27. Which of the following is not a vegetative propagule in lichens

Isidia Soredia


Cyphella Cephalodia


28. Peat moss refers to

Pellia Porella


Funaria Sphagnum


29. Both columella and archesporium originate from endothecium in

Riccia Marchantia


Anthoceros Funaria


30. According to 'Antithetic Theory', the following algae by progressive elaboration interpolated as sporophyte in the life cycle of bryophytes

Cladophora Coleochaeta


Caulerpa Chara


31. Cretaceous period belongs to this era

Cenozoic Paleozoic


Mesozoic Archeozoic


32. A fossilized form with mineral impregnated plant parts exhibiting cellular details is

Impression Compression


Cast Petrifaction


33. Carrot shaped prothallus can be seen in

Lycopodium complanatum Lycopodium cernum


Lycopodium phlegmaria Lycopodium inundatum


34. Peltate sporangiophores are found in

Selaginella Equisetum


Marsilea Isoetes


35. A Protostele with parallel xylem plates having phloem in between is called as

Haplostele Actinostele


Plectostele Siphonostele


36. The development of embryo sac in Gnetum is

Monosporic Bisporic


Trisporic Tetrasporic


37. Which of the following is haploid

Bract scale Ovuliferous scale


Megaspore Ovule


38. A species of the following genera is the source for Canada balsam

Abies Agathis


Cedrus Podocarpus


39. Which of the following components of phloem are dead cells

Sieve elements Phloem fibres


Companion cells Phloem parenchyma


40. The development of sporophyte from any gametophytic cell without the union of gametes is called as

Apogamy Apospory


Autogamy Apomixis


41. The ovules of gamopetalae are

Ategmic Unitegmic


Tritegmic Bitegmic


42. The precursor of sporoporellin is

Tannin Lignin


Carotenoid Protein


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43. 'Polyad' condition of pollen grains is found in
Grass Hibiscus
Tribulus Accacia
44. Ruminate endosperm is seen in

Thumbergia Myristica


Barleria Ricinus


45. 'Syngamy' was first described by

Strasburger Nawaschin


Maheshwari Bhatnagar


46. The ovule in which funiculus is at right angle to the nucellus and integuments is

Hemitropous Orthotropous


Anatropous Campylotropous


47. Tunica-Carpus theory was proposed by

Nageli Hanstein


Schmidt Schuepp


48. Astrosclereids are found in

Petiole of Nymphaea Leaves of Olea


Fruit of Pyrus Seed coat of bean


49. Cork cambium is the alternate name to

Phellum Phelloderm


Phellogen Periderm


50. Anomocytic type of stomata are present in

Commelinaceae Ranunculaceae


Rubiaceae Brassicaceae


51. An example to partial stem parasite is

Loranthus Cuscuta


Striga Orobanche


52. Polyarch condition is the characteristic feature of

Dicot stem Dicot root


Monocot stem Monocot root


53. Schizogenous cavities are found in

Rutaceae Myrtaceae


Apiaceae Solanaceae


54. The first International Botanical Congress was held at

London Paris


Leningrad Vienna


55. Obdiplostaminous condition is the characteristic feature of

Caryophyllaceae Asclepiadaceae


Myrtaceae Apocyanaceae


56. National Botanical Garden is located in

Kolkata Dehradun


Lucknow Delhi


57. Which of the following is phylogenetically advanced feature

Spirally arranged floral parts Twisted corolla


Caryopsis fruit Umbel inflorescence


58. Superficial placentotion is the diagnostic feature of the following family

Nymphaceae Apiaceae


Acanthaceae Liliaceae


59. The specimen selected to serve as nomenclatural type when all the original material is lost is called as

Paratype Isotype


Syntype Neotype


60. The persistent nucellus in Piper is referred to as

Pericorp Perisperm


Corunclile Aril


61. If pollen tube enters the ovule through integument it is referred to as

Porogamy Chalazogamy


Mesogamy Apogamy


62. The plant in which the secondary rachis is modified to a green, flattened structure and perform photosynthesis is

Asparagus Clematis


Oxalis Parkinsonia


63. The causative organism of Angular leaf spot of cotton is

Pseudomonas Xanthomonas


Erwinia Alternaria



64. The pathogen for white rust disease in mustard is

Albugo candida Alternaria brassicae


Phytophthora infestans Fusarium oxysporum


65. Cercospora is responsible for this disease

Red rot in sugarcane Tikka disease in groundnut


Blast disease in rice Smut disease in wheat


66. Gene concept was proposed by

Operon Beadle and Tatum


Sutton Watson and Crick


67. The number of structural genes in Lac operon of Escherichia coli is

Two Three


Five Six


68. Which of the following is called as codon

UAA UGA


UAG GUG


69. The diameter of DNA molecule is

3.4 Aº 34 Aº


2.0 Aº 20 Aº


70. Protoplasmic fusion is facilitated by

EDTA PEG


TCA EMS


71. The method of transferring DNA fragment onto a membrane for detection of specific sequences by hybridization is called as

Western blotting Northern blotting


Southern blotting Electrophoresis


72. Which of the following substances is employed as antitranspirant

D PMA


5 Ethephon


73. The activator for the enzymes involved in the conversion of tryptophan to IAA is

Iron Magnesium


Manganese Zinc


74. 'Whip tail disease of crucifers' is due to the deficiency of

Molybdenum Copper


Boron Sulphur


75. In photorespiration, decarboxylation of glycine takes place in this cell organelle

Chloroplast Peroxisome


Glyoxisome Mitochondria


76. Protein nature of enzymes was first established by

Sumner Buchner


Holdane Northtrop


77. The hydrogen acceptor in the oxidation reactions of Hexose monophosphate pathway is

NAD+ NADP+


FAD ATP


78. The carboxylating enzyme in bundle sheath cells of sugarcane leaf is

PEP-carboxylase RUBP-carboxylase


Carbonic anhydrase Carboxydismutase


79. Collenchymatal cells with deposition of wall material restricted to tangential walls only is referred to as

Lamellar Locunar


Angular Glandular


80. Inversely oriented cortical vascular bundles at the four ridges of the stem are found in

Nyctanthus Dracaena


Achyranthus Amaranthus


81. Nucleosome concept is concerned with

DNA replication DNA repair


DNA folding DNA transcription


82. Medullary vascular bundles are present in

Amaranthus Boerhavia


Casurina Dracaena


83. Breaking seed dormancy by prechilling treatment of seeds is known as

Impaction Vernalization


Scarification Stratification


84. An example to Sesquiterpene is

Gibberellic acid Abscisic acid


Terpentine Carotene


85. Inhibition of photosynthesis by high levels of oxygen is called as

Warburg effect Blackman effect


Emerson's effect Richmond-Long effect


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86. VAM fungi helps the plants in the uptake of

Nitrogen Phosphorus


Potassium Calcium


87. Which of the following enzymes of TCA cycle is bound to mitochondrial inner membrane

Succinate dehydrogenase Fumarase


Isocitrate dehydrogenase Aconitase


88. An example to photoblastic seed is

Nigella Tobacco


Lettuce Petunia


89. The application of the following substance increases the formation of male flowers in Cucumis sativus

IAA GA3


ABA BAP


90. Cavitation in Xylem causing obstruction to water movement is called as

Guttation Plasmolysis


Embolism Bolting


91. If fats are the respiratory substrates, the value of Respiratory Quotient (R.Q.) is

Zero One


Less than one More than one


92. The insecticides which elicit behavioural changes in pests rather than being toxic are

Chlorinated hydrocarbons Malathion


Pheromones Permeathria


93. The element responsible for eutrophication of water bodies is

Nitrogen Phosphorus


Potassium Sulphur


94. The top order carnivore in grass land ecosystem is

Grasshopper Rat


Tiger Hawk


95. Cosparian thickenings are the characteristic feature of

Epidermis Cuticle


Endodermis Pericycle


96. The botanical name of Flax is

Corchorus capsularis Crotalaria juncea


Ceiba pentandra Linum usitatissimum


97. Lateral roots originates from

Epidermis Cortex


Endodermis Pericycle


98. The farthest atmospheric zone from earth surface is

Troposphere Stratosphere


Mesosphere Ionosphere


99. 'Reed Swamp Stage' in hydrosere is represented by

Trapa Typha


Cyperus Pistia


100.Grassland with scattered shrubs is referred to as

Savannah Steppe


Tundra Prairie


101.Minamata disease in fishes is due to the toxicity of

Lead Cadmium


Mercury Arsenic


102.The pyramid of number is inverted in this ecosystem

Grassland Pond


Marine Tree


103.An example to Biodiesel plant is

Eichornia Jatropa


Hevea Subabul


104.The area where two major communities meet and blend together

Estuary Biome


Ecotone Ecad


105.Temperate evergreen forests restricted to Nilgiri hills are

Alpines Sholas


Mangroves Scrubs


106.A soil conservation practice covering the soil surface with plant remains is

Leaching Terracing


Mulching Contouring



107.The botanical name of oak plant is

Derris indica Viscum monoicum


Cissus quadragularis Quercus suber


108.Which of the following is a biodiversity hot spot

Sunderbans Andamans


Western Ghats Western Himalayas


109.Red Sanders belongs to this family

Santalaceae Dipterocarpaceae


Verbinaceae Fabaceae


110. In Jute, the fibre is obtained from

Epidermis Pericycle


Xylem Phloem


111. Cardioglycosides are obtained from the leaves of

Digitalis purpurea Papaver somnifera


Centella asiatica Ephedra gerardiana


112. The plant from which safflower oil is obtained is

Linum usitatissimum Corthamus tinctorius


Elaeis guineensis Sesamum indicum


113. An example to biopesticide is

Rhizobium Azolla


Penicillium Trichoderma


114. Interferones are employed for the treatment of

Hepatitis-B AIDS


Cancer Leucoderma


115. The Enzymes called as 'Molecular Scissors' are

Ligases Restriction endonucleases


RNA polymerases DNA polymerases


116. Crown gall disease is induced by

Agrobacterium tumefaciens Agrobacterium rhizogenes


Bacillus amylolique faciens Bacillus thuringiensis


117. In Citrus, triploid plants can be obtained by culturing

Pollen Somatic cells


Embryo Endosperm


118. The scientist who developed PCR technique is
Stanford Kary Mullis
H. Smith D. Nathon
119. "Kufri Red" is a hybrid variety of
Water melon Tomato
Potato Carrot
120.Liquid nitrogen is employed for
Sterilization of culture media Surface sterilization of explant
Cryopreservation Encapsulation of somatic embryos


ROUGH WORK


ROUGH WORK