1. How many biogeographical realms exist on the earth?







6



2. Tendrils of lathyrus. Vits and Smilex represent:

(a)Convergent evolution


(b)Divergent evolution


Adaptive radiation


(d)None of the above



3. Closely related species Carolot occupy same ecological niche for indefinite time is:

(a)AlIen's rule


(b)Bergman's principle


Gause's principle


(d)Stauger's rule



4. What is correct

(a)Angiosperms appeared first and birds later


(b)Angiosperms appeared simultaneously with man


Angiosperms appeared along with first mammals


(d)Angiosperms appeared simultaneously with birds



5. The ovules are generally unitegmic or bitegmic..However, in which of the foUowing the ovules lack an intch'Ument

Liriosoma


(b)Olax imbricata


Ptychopetalum


All of the above

6. The hypodermal female archesporiaI cell divides transversely cutting off parietal cell and an inner sporogenous cell. The parietal cell may undergo a few pcridinal divisions so that the sporogenous cell becomes embedded in massive nucellus. Such an ovule is called as:

(a)Tcnuinucellate


(b)Pscudocrassinucellate


(c)Crassinucellate


(d)PseudotenuinuceUatc



7. In majority of the angiosperms meiosis is of successive type. However, in some angiosperms the first meiotic division in megaspore mother cell is followed by cytokinesis, whereas the second meiotic division is not followed by cytokinesis. -rhus the micropylar and chalazal dyad cells formed arc binucleate. If the embryo sac develops from the chalazaJ dyad cell the embryo sac development would conform to

(a)Allium type


(b)Endymion"type


Adoxa type


(d)Peperomia type


8. The somatic cells In the nucellus directly form an unreduced embryo sac and the diploid egg parthenogenetically develops in an embryo. This type of Agamospcrmy is known as:

(a)Adventive embryony


(b)Diplospory


(c)Apospory


(d)All of the above


9. In Vallislleria spirafis, which is submerged dioecious plant, the flowers are borne under water. Upon attaining maturity the male flowers get detached from the parent plant and float on the surface of water. The female flowers also develop under water. At the time of pollination they are brought to the surface of water and pollination is done. this type of poUination is known as

(a)Anemophily


(b)Hydrophily


(c)Epihydrogamy


(d)Hypohydrogamy


10. The embryological data has played important role In determining taxonomic position of the taxa whose systematic position was under dispute. Which of the following genus wrongly placed in the family Onagraceae by Bentham and Hooker was removed from Onagraceae on the basis of embryological data:

(a)Trapa


(b)PaPltaphragma


(c)Paeonin


None of the above













11. Trachoma an ophthalamic disease is caused by:

(a)Chlamydea


(b)Rickettsia


(c)Actinomycetes


(d)Mycoplasma


12. Sydney Fox coined the term (al Biosphere

(b)Microsphere


(c)Rhizosphere


(d)Phyllosphere

13. Oxygen became the part of earths atmospheTC around:


Million years ago


Billion years ago


Trillion years ago


(d)36,000 Million years ago •

14. Binomial nomenclature was first introduced in


(a)Genera plantarum


(b)Systema naturea


(c)Species plantarum


(d)Hortus uplandicus

15.
Which is the only possible placentation if the gynoecium is multilocular?


(a)Marginal


(b)Free central


(c)Parietal


(d)Axile


16. Lodicules arc present in the flower of:

Sunflower


Wheat


Datura


Pea
17. Twisting of Ovary (resipination) is a distinctive feature of
Poaceae


Liliaceae


Solanaceae


Brassicaceae
18. In.e idea of spontaneous generation was abandoned by

Fredi


S. L. Miller


Louis Pasteur


Lazzaro Spallanzani
19. Which of the following mixture was used by Miller in his famous experiment on origin of life?

Methane -Ammonia -Hydrogen -Water


Methane -Ammonia -Oxygen Water


Methane -Ammonia -Nitrogen Water


Ethane -Ammonia -Hydrogen­ Water

20. Taxonomically unrelated taxa occupying same ecological niche represent:

(a)Convergent evolution


(b)Divergent evolution


(c)Micro evolution


Adaptive radiation

21. Which of the following gymnospenn of Bennettitales (Cycadeodales) was recovered from Rajmahal hills by Prof. Birbal Sahni

(a)Htteraugium


(b)Pentaxylan


(c)Williumsollia


(d)Snhnia



22. Which class of Pteridophyte comprise only fossils?

(a)Sphenopsida


(b)Psilopsida


Lycopsida



(d)Psilophytopsida



23. Which of the following kinds of bryophytcs exhibit simplest gametophytc but complex and much advanced sporophyte?

(a)Sphagnum


(b)Riccia


(c)Anthoceros


(d)Pellin



24. Development of buds for leafy gamctophores from protoncma is induced by:

Gibberellin


Phytokinin


Auxin


Bryokinin
25. Mark out the mismatched pair

Apple scale _Trichothecium roseum


Downy mildew of grape -Plasmopera viticola


Blast of rice-pificularia orhizae


Bunt of wheat -Tillelin etlries
26. Which of the following alga has been utilized as a tool for understanding impact of nucleus on morphogenesis

Chiarella


Atlleromorpha


Wva


Acetabularia
27. Which algal group is specialised to produce auxospores

Dinoflagellates

Diatoms


Chrysophytes


Sea weeds

28. Anthrax causing bacteria is infamous as a bio-war agent due to

Easy availability


Gram positive nature


Ability to produce endospores


Ability to produce exosporcs

29. A vaccine against AIDS could not be produced because

(a)HIV is a retrovirus


(b)HIV virion is enveloped


(c)High mutability of "Env" gene


High mutability of "pol" gene

30. T, bacteriophage drill bacterial cell wall by piercing its

(a)Double stranded DNA


(b)Amino tenninus of tale fibres


(c)Tail pins of lysozyme


(d)Head



31. What is not con-ect about Fllnnria

is acrocarpous


is cleistocarpous


is diplolapidous


is autoceous



32. 1he antherozoids of fern are

(a)bicilliate and curved


(b)multicilliate and straight


(c)multicilliate and spirally coiled


(d)bidlliate and spirally coiled


33. Vinas spreads in plant body via

Shoot apices


Intercellular spaces


Xylem


Phloem
34. What 15 most unfortunate about gymnospenns

Anemophilly


Pollen chamber in ovules


Endosperm in prefertilization tissue nor


Neither chemotactic chemotropic advantage

35. In Pteridophytes

Sporophyte 15 dependant on gametophyte


Camctophyte is dependant on sporophyte


Both are interdependent


None of the above
36. Which of the following is not heterosporous

lsoetes


Selagillclla


Marselia


Pteris

37. Which of the following exhibits false indusium?

(a)Dryopteris


(b)Gleichinia


(c)Adiantum


Azolo

38. If an aposporolls gametophyte of fern undergoes apogamous development of sporophyte then what will be the ploidy status of newly fonned sporophyte:

Haploid


Diploid


Tetraploid


Octaploid

39. An anticancer drug 'Taxol" has been obtained from:

(a)Torus


(b)CephnlotaxllS


(c)Taxodium


Ginkgo

40. Which gymnosperm inhabits typical desert

(a)Microcycas


(b)Cupressus


GlIetum


Welluitschia

41. Which of the following fraction is responsible for shifting sand dunes in deserts

Suspension


(b)Ground draft


(c)Saltation


Siltation
42. Arrange the following-break throughs in chronological order:

Discovery of reverse transcription

Noble prize for discovery of ozone hole

Discovery of P.C. R.

(iv)One gene one enzyme hypothesis














43. What is not correct?

(a)Term gene and genetics could be coined after forty years of the proposal of Mendelism


(b)While in 1809 Lamarck proposed inheritance of acquired characters, Charles Danvin was born


While Mendel died in 1882,Charles Dan-vin died two years later


While in 1935 Stanley crystallized. lMV, Tansley coined the term ecosystem

44. india represents 2.4 percent of total land area of the world. How much percentage of world's biodiversity it compriSie

2.8 per cent


8. 1 per cent


11. 2 per cent


4. 4 per cent



45. Which alga produces a protonema similar to mosses

(a)Protosiphon


(b)Protococcus


Chara


(d)Zygnema



46. Mark out the add-one

Chantansia -Batrachospemlllm


(b)Algaozonia -Cutleria


(c)PaLmella Volvox


(d)Gongrosira Vaucheria



47. If a Spirogyra filament collected from a pond exhibits zygospore like structures in all of its cells then it suggests that they arc:

(a)Product of Scalariform conjugation


(b)Product of Lateral conjugation


(c)Product of Parthenogenesis


(d)Product of Vegetative reproduction showing akinctcs


48. Which statement.is correct?

Red algae exhibit maximum of sexual variations in reproduction


Green algae exhibit maximum variations in flagellation exhibit


Yellow green algae type of maximum variation in food reserve


Brown algae exhibit maximum variations in types of Life Cycles
49. Which of the following enjoy benthic, lotie habitat of pools

Phytoplanktons and ZoopLanktons


Rock weeds


Pond silk


Stone worts
50. Plectcnchyma is edible false tissue in

Yeast


Mushroom


Jack fruit


Litchi
51. Which one of the following became popular as molecule of 1989

Small Nuclear RNA


Taq polymerase


Reverse transcriptase


p-BR-322

52. Mark out the incorrect statement:

(a)Predation is always in term benefit for prey population


(b)Graph of population growth is sigmoid for r-species


Two closely related species can not occupy same ecological niche for indefinite time


(d)all kinds of adaptive radiations illustrate divergent evolution




53. Which of the following is latest discovery for lndian Biodiversity?

(a)New species of Bush Frogs at WestemGhat


(b)Mngnolia found growing In Western Himalayas


ginlkgo hiloba growing In Darjeeling


Lemur pollinating Ravenela at Lucknow

54. Data for world c1imatc change comes from observatory at •

(a)Mauna Loa


(b)Pune


(c)Rio de Janeiro


(d)Stockholm



55. World Ozone (Laycr protection) day is observed on

(a)16th September


(b)16th October


(c)16th November


(d)16th December



56. How many hot spots have been recognized in the world














57. Berberis nilghiriensis, Bentinckia nicobarica, Cupressus cashmerimla arc

(a)Critically endangered, Endangered and Vulnerable respectively


(b)Endangered, Vulnerable and Critically endangered respectively


(c)Vulnerable, Critically endangered. and Endangered respectively


(d)Endangered, Vulnerable and Rare respectively


58. Blue-Baby syndrome is due to which pollutant:

(a)Carbon monooxide in air


(b)Sulphur dioxide in air


(c)Nitrates in water


NO, in air
59. Mark out the odd one:

(a)Arsenic -Black Foot


(b)Mercury -Minimata


(c)Cadmium -ltai-Itai


(d)Lead -Methamoglobinemia



60. Which of the following is most detrimental S. P. M. for human health

1. 5 om in Diameter


1. .5 in Diameter


2. 5 nm in Diameter


2. 5 in Diameter



61. ln a fully plasmolysed. cell space between shrunken protoplasm and cell wall isoccupied by

(a)Hypotonic solution


(b)Hypertonic solution


(c)lsotonic solution


(d)Gaseous mixture



62. The shock stimulus movement In 'Touch me not" involves:

expulsion in pulvinus


(b)Differential loss of water


(c)Unequal distribution of auxins


and both



63. Sucrose transport in plant body is facilitated by

Boron


(b)Calcium


(c)Molybdenum


Zinc

80. Photorespiration loss of carbon dioxide takes place in

Chloroplast


Mitochondria


Peroxysomc


Cytoplasm
81. What will be the number of chromosomes at mitotic anaphase of shoot tip if the sporophytic number is 2n

7


14


28


None of the above
82. In meiosis separation of daughter chromatids takes place at

Zygotene


Anaphase


Anaphase


Diakinesis
83. Bacterial membranes possess

Cholesterol


Hopanoids


Ergasterols


Stigrnasterols

84. What is not correct about bio­membranes?

(a)The proportion of lipids to proteins varies from 1 :0.8 to 1 4


(b)Quasifluid nature of membrane lipids is due to temperature sensitive motion of fatty acid 6fils

Cholesterol is present only in the membranes of animal cells


(d)Glyeocalyx is present on both surfaces of the membrane



85. Middle lamella is absent between

(a)Sieve tubes and companion cells


(b)Guard cells and subsidiary cells


Guard cells of stomata


(d)None of the above



86. What is not correct about Mendelism?

(a)Lncompletc dominance further strengthened Mendelism


(b)Mendel postulated that every character is governed by one pair of factors


of independent assortm<:pt is based upon the result of monohybrid cross


(d)Independent assortment is based upon segregation of maternal and paternal factors



87. The seven characters studied by Mendel are present:

separately on 7 chromosomes as disovered by de Vries


on 4 chromosomes as discovered by Blixt


on 5 chromosomes as discovered by Carl Correns


on 6 chromosomes as discovered by Morgan
88. B. T. cotton is

M./ood


(b)Britisch cotton


Transgenic crop for resistance against insect pest


Transgenic cotton resistant against Bacillus thuringiensis
89. a homozygous dominant sex is crossed to a hemizygous recessive sex, then the inheritance pattern in F2 progeny for a sex linked trait will be







I:2 1


I5: 1
90. Which is not quantitative trait?

Q. in man


(b)Human height


(c)Human eye colour


(d)Human skin colour



91. The first family in Engler and Prantl system of classification is

(a)SaJicaccae


(b)Magnoliaceae


(c)Casuarinaceae


(d)Typhac.ae



92. '"Vrikshaywiveda" was compiled by:

(a)Vrikshadas


(b)Tulsidas


(c)Prasara


(d)Bulsara



93. Binomial system of nomenclature was introduced by

(a)John Ray


(b)Carolus Linnacus


(c)Charles Darwin


(d)Julian Huxley



94. The peculiar internal organisation of C4 plants is termed "Kranz anatomy" because

is named after its German discoverer


(b)Its bundle sheath resembles a garland


(c)Its mesophyll and bundle sheath cells have different ultrastructure


(d)None of the above



95. The elongated axis of a flower between the androecium and gynoecium is called

Anthrophoro


Gynophore


Androphore


Gynandrophore
96. The phenomenon of geocarpy is common in:

Amchis hypogen


Glycine max


Arlocmpou, inlegrifOlia


All of the above
97. The classification of plants based on chromosome number is known as

Cytotaxonomy


Numerical taxonomy


Biochemical taxonomy


Karyotaxonomy
98. The stem having several nodes and internodes modified into a flat, fleshy and green leaf like structure, which carries out photosynthesis and stores food is called as

aadode


Bulbil


Phylloclade


Sucker

99. What is lIot correct

Old world deserts are populated with Euphorbias while new world deserts are populated with cacti

(b)Metallicolous plants represents natural selection


Resistance in mosquitoes for D.D.T. represent natural selection


(d)Cauliflower,-cabbage, knol-khol and Brusscl's sprout are outcome of artificial selection



100. Which of the following is Endosymbiont organelle?

(a)Nucleolus in nucleus


(b)Ribosome in the mitochondria and plastids


(c)Mitochondria in a Eukaryotic cell


(d)Chromosome in the nucleus



101. In vivo occurrence of androgenic haploids has been reported in

(a)Solanum nigrum


(b)Tectona grandis


(c)Datllra hmoxa


(d)Nicotiatla



102. Interspecific crosses arc generally successful. whereas intergencric crosses arc rarely successful. Which of the following methods would you suggest to obtain intergeneric hybrids

Grafting


(b)Recombinant DNA technology


(c)Tissue culture


Protoplast fusion



103. The first synthetic seed was produced in vitro by:

Kitlo and janick, 1982


Kitto and janick, 1981


Kitlo and janick, 1983


Kitto and janick, 1985
104. In a concentric vascular bundle if the xylem is surrounded by phloem the vascular bundle is known as

LcptocentTic


BicoUateral


(c)Amphivasal


(d)Amphicribral


105. The roots of epiphytic orchids possess an outer spongy tissue for absorbing moisture from the atmosphere. This
-tissue is known as

(a)Mesophyll


(b)Tylose


(c)Velamen


(d)Lenticel


106. In a stele when phloem occurs on the out,cr and inner side of the xylem, the stele is known as

(a)Solenostele


(b)Endophloic


(c)Ectophloic siphonostele


(d)Amphiphloic siphonostele



107. The stomata remain surrounded by a limited number of cells which cannot be distinguished from other epidennal cells. Thus the subsidiary cell.. arc ab5ent. This type of stomata are called as:

(a)Anisocytic


(b)Paracytic


Anomocytic


Mesoperigenous

108. During seed germination the hypoeotyl grows first and pushes the cotyledonary node and aU other parts of seed out of the soil. This mode of germination is known as

Hypogeal


(b)Epigeal


(c)Geocarpy


(d)Vivipary



109. Higher concentration of auxins favours

(a)11lotosynthesis


(b)Sporogenesis


(c)Xylogenesis


(d)Leptogenesis


110. The association of an organism with another organism where both the organisms are neither benefitted nor harmed is called as

Commensalism


Neutralism


Parasitism


Ammensalism

111. Normally in nuclear type of endosperm development wall
formation is centripetal and the whole endosperm cavity gets filled with cells. However, the degree of ceUularization varies. Ln which of the follOWing the cellularization is confined to micropylar region only and chalazal part remains nuclear:

PhaseoluS


(b)Crotollaria


(c)Grevillea


All of the above

112. During the development of anther wall layers the outer and inner secondary parietal layers divide peridinally producing middle layers. This type of anther wall development conforms to

(a)Monocot type


(b)Dicotlype


Basic type


Reduced type

113. If the cell Ca of 2·celled divides vertically and ceII Cb plays minor role or none in the subsequent development of embryo proper, the embryo development would conform to:

Solanad type


Chenopodiad type


Caryophyllad type


Onagrad type
114. The remnant of nucellus which has not been completely consumed during seed development is known as

Endosperm


Perisperm


Raphe


one of the above
115. How many meiotic divisions are required to produce 121 female gamctophytes in an angiosperm

31


32


30


121
116. In a bisexual flower self pollination is prevented through which of the following?

Self sterility


Herkogamy


Dichogamy


All of the above


117. The uninucleate pollen grains seem to have the potential of adopting any one of the following modes of development depending upon the temperature

(a)Under normal conditions they would form male gametes


(b)Under special conditions they may form female gametophyte


HI vitro conditions on appropriate nutrient medium they may form apogamous sporophytes


(d)All of the above



118. The most popular and commonly used nutrient medium in plant tissue culture was proposed by

(a)Nitsch and Nitsch, 1956


R. White, 1%3


Murashige and Skoog, 1962


(d)Lloyd and McCown, 1980


119. Haploid plants may be produced in vitro through:

Anther and pollen culture


Culture of ovules unfertilized ovaries from


Culture of unpoUinated ovaries


All of the above


120. The most popular auxin for the induction of somatic embryogenesis is •

2,4 -dichlorophenoxyacetic acid


-trichlorophenoxy acetic acid


Naphthalene acetic acid


Decamba