8/80/2013/09
BOTANY

Roll No.
9181


I
BOOKLET NO.


Candidate should write his/her Roll No. In the box abbve. t
Time 2 Hours] No. of Printed Pages: 40 [Total Marks 300

INSTRUCTIONS FOR CANDIDATES
1.
All questions are compulsory.

2.
All questions carry equal marks.


The question paper contains 150 questions. The examinee should verify that the requisite number of questions are printed in the question paper, otherwise he should ask for another question paper.
4.
The cover page indicates the number of printed pages in the question paper. The examinee should verify that the requisite number of pages are attached in the question paper otherwise he should ask for another question paper.

5.
Read carefully the instructions given on the answer-sheet supplied and indicate your answers accordingly

6.
Kindly make necessary entries on the answer-sheet only at the places indicated and nowhere else.

7.
Examinees should specially pay attention that 2 marks will be awarded for correct .answer.

8.
Examinees should do all rough work on the space meant for rough work on the last page of the question paper and nowhere else, not even on the answer-sheet.


":llna
2

l. Resupination is the characteristic feature of the family

Orchidaceae Polygonaceae


Euphorbiaceae lD) Zingiberaceae


2. Parachute mechanism of fruit dispersal is due to
Corolla Thorns
IC) Pappus Bract

3. Who used the term Lignosae III his classification of angiosperms

Bentham and Hooker Engler and Prantle


Cronguisr Hutchinson


4. Stalk of the ovule IS called as

Pedicel Funicle


Hilum Placenta


5. Megasporogenesis occurs III

Fruit IB) Seed


Nucellus of ovule Egg of ovule


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6. A botanical name in which specific epithet repeats exactly the generic name is called:

Synonym Tautonym


Homonym Autonym


7. A specImen selected to serve as nomenclatural type of a taxon, when all materials on which the taxon was based are mlssmg, IS called

Neotype Holotype


Lactotype Paratype


8.
The term 'Operational Taxonomic Unit' is used in

Bio;oy;otematic;o Chemotaxonomy ':-Iolecular taxonomy ID) Numerical taxonomy

9.
Standard sIze of a Herbarium sheet is

10.
Cyathium inflorescence IS the characteristic feature of the family


Poaceae Euphorbiaceae


Asteraceae Lamiaceae



11.
Cleavage polyembryony IS fairly found m


Solanaceae Orchidaceae


Lamiaceae Magnoliaceae



12.
The botanical name of 'Kalmegh' is


Andrograpills paniculata !HI Adhatoda uaSlca


Euoluulus clsinoides Centella asiatica



13.
The freshwater red alga IS


Bondenella Cutleria


Ectocarpus Batrachospermum



14.
Which of the following alga IS salt tolerant and produces glycerol


20 x 28 cm 20 x 35 em
42 x 28 cm 32 x 40 em
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Hematococcus sp. Nostoc calcicola
Dunaliel/a sp. Chlamydomonas mouwesii
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15. The alga used as inoculum m biofertilizer is
Schizothrix Aulosira
Synechococcus Merismopedia
16. Alga which forms coenobium is
Microcystis Porphiridium
ICI Eudorina iDi J1erismopedia
17. Which of the following aerobic Nz-fixer is found m the sea?
Trichodesmium Plectonema boryanum
Chemosiphon Phormidium flavoderum
18. Triphasic life-cycle IS found in
rA) Red algae Brown algae
IC) Green algae Golden brown algae
19 ':-Iyxomycetes member are known as
Plasmodia True slime molds
Pseudoplasmodia None of these
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20 Which of the following IS a heteroecious fungus?
(AI Urom.vces Ivlelampsora
Ustilago Puccinia
21. Which of the following are indicator of air pollution

(AJ Puffballs Cyanobacteria
Lichens Mosses
22. Which of the following structures does a fungus produce to survive for a very long period
IAI Sclerotia Gonidia
lCI Hyphae Zoospores
23. Aflatoxin is produced by

Neurospora crassa Aspergillus fZauus


Aspergillus ten'eus Aspergillus ruger


24. Diplanetism is a characteristic feature of
Albugo IBI Alternaria
lCI Saprolegnia (DI Phytophthora

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25. Which one of the following regulates the transcription of other nod genes?
nod A nod E
nod B nod D
26. Murein IS present m
Gram bacteria
rEi Gram -ve bacteria
Both Gram +ve and Gram -ve bacteria
None of the above
2-I. Lophotrichous bacteria have
rA) Only one flagellum
I B 'One flagellum at both the ends
lei Tuft of flagella at one end
Evenly distributed flagella
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28.
The organisms which can use inorganic substances as electron source, use CO2 and light energy are termed as

(Al Photolithoautotrophs Chemolithoautotrophs (Cl Photoorganoheterotrophs Chemoorganoheterotrophs

29.
The process of uptake of naked DNA fragment by a cell IS termed as (Al Cloning (Bl Transformation (Cl Transduction Conjugation

30.
The SIze of E.coli genome IS (Al 2.27 Mb (El 4.60 Mb (Cl 3.00 Mb 10.00 Mb

31.
The layer outside the cell wall organized and not easily washed-off is called


(Al Slime (El Glycogen layer
(Cl Polysaccharide layer Capsule

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32. Conjugation IS possible between which of the following? (AJ
All of these
33. The addition of pollutant-acclimated microbes or genetically engineered microbes to a hazardous waste site in order to react with hazardous wastes and render them harmless is known as

Bioconversion Bioaugmentation


Biomagnification Biodegradation


34.
The study of genetic material recovered directly from nature is called

1.- I lIetagenomics Genomics
Proteomic5 (DI All of these


35.
An infectious agent consisting of self-replicating protein with no detectable nucleic acids is known as


Virions Virusides


Prions All of these




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36. A process of transferring a piece of cell DNA adjacent to prophage to other cells is known as

Transformation Conjugation


Specialized transduction None of these


37. During light reaction of photosynthesis, energy IS produced III the form of:

ATP NADPH2


Both ATP and XADPH2 IDI Xone of these


38. Genetic material in is

Protein Single stranded DNA


Double stranded DNA Polyribonucleotides


39.
Interferons are

40.
Specific proteins known to facilitate the separation of strands of DNA double helix in advance of replication forks are

(AJ Helicases (El Replicases (CJ DNA polymerases (DJ Topoisomerases

41.
Which of the following types of media is not used for culturing aerobic


Anti-viral agents Anti-bacterial agents
Anti-fungal agents Anti-helminthic agents
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microorganisms
(AJ Selecti'"e media Differential media

Reducing media (DJ Complex media
42. An organism that has peroxidase and superoxide dismutase, but lacks catalase is most likely an
Aerobe Aerotolerant anaerobe ICI Obligate anaerobe Xone of these
43. Anti-freeze proteins help in (AJ Tolerating low temperature m all organisms

Tolerating low temperature m arctic and antarctic species . Tolerating low temperature m tropical species


All of the above


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44. A product of glycosis that is consumed in alcoholic fermentation is

NADH2 CO2


ATP Both and


45. Which of the following enzymes is not present in heterocyst
GOGAT Glutamine synthetase . RUBISCO Both and
46. Molybdenum deficiency affects the activity of

Chlorate reductase Nitrate reductase


Nitrogenase All of these


47. Methanogens are

Aerobic microorganisms Facultative anaerobes


Strict anaerobes None of these


48.
Photoautotroph that does not evolve 02 is

49.
Coliforms are used as indicator organisms of sewage pollution because


They are abundant III human intestine


They are pathogens


They ferment lactose


They grow within 48 hours



50.
In blue-green algae. the structure specialized for aerobic nitrogen fixation


Chiarella Green sulphur bacterium
Nastac Dictyota
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IS

Akinete Heterocyst


Aplanospore Endospore


51. Xenobiotics which are inherently resistant to microbial attack are called

Persistent IE) Biodegradable


Recalcitrant All of these


52. A symbiotic relationship between two organisms in which one partner always
has upper hand is known as
IA) Amensalism IE) Mutualism

Syntrophism Helotism

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53. Botulism is

Water-borne intoxication Water-borne infection


Food-borne intoxication Food-borne infection


54. Indole-3-Acetic Acid represents which of the following plant hormones ry

Auxins Gibberellins


Ethylene Cytokinins


55. Tryptophan IS precursor for the biosynthesis of which of the following hormones

Gibberellins Ethylene


Cytokinins Auxins


56. Which of the following plant hormones hastens fruit ripening?

Auxins I Ethylene


Cytokinins Gibberellins


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57. The major factors influencing water' potential in plants are

Solute potential Pressure potential


Pressure potential gravity


Solute potential pressure potential gravity


Solute potential pressure potential matric potential


5S. The membrane proteins that carry out pnmary active transjJort are called

Pumps Pores


Gates Channel proteins


59. Mature Sle'e elements specialized for translocation of organic sap are

Dead
eE) Living



Living or dead


Initially living but become dead at maturity


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60. Under water stress conditions concentration of which of the following plant hormones increases tremendously in leaves

Cytokinins Gibberellins


Auxins Abscisic Acid


61. Immature leaves, regarding translocation of solute, act as

Source Source and Sink


Sink Source or Sink


62. Pressure flow model explaining translocation is (Al Active mechanism

Passive mechanism


Neutral mechanism


Both Active and Passive mechanisms


63. Simultaneous transport of solute and proton moving against the gradient of electrochemical potential is known as

Facilitated diffusion Primary active transport


Secondary active transport Passive transport


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64. The capacity of plants to cope with unfavourable environment IS known as

Stress resistance Stress avoidance


Stress adaptation Stress acclimation


65. Most abundant substance in the phloem is
Sucrose Amino Acid
IC) Glucose CD) Water

66. Due to high temperaturf stress

Respiration is inhibited before photosynthesis


Photosynthesis is inhibited before respiration


Neither photosynthesis nor respiration is inhibited


Both photosynthesis and respiration are inhibited simultaneously


67. Heat stress causes: rA) Inhibition of photosynthesis IE) Impairment of membrane function I Destabilization of proteins
All of the above
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68. Stress resistance mechanisms like inhibition of leaf expanSIOn, leaf abscission, root extension and stomatal closure occur in response to which type of stress

Heat stress Water stress


Cold stress All of these


69. The 02 pressure in which the respiration rate IS first slowed down by 02 deficiency is known as

Critical 02 pressure Anaerobic 02 pressure


Anoxic 02 pressure Hypoxic 02 pressure


70. The photoperiodic stimulus IS perceived by

Roots IB) Buds


Leaves Flowers


71. The plants which flower only after a sequence of short days followed by long days are known as

Short day plants Long day plants


Short-long day plants Long-short dr.:,-plants


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72. Plants monitor day length measuring the length of

Day Night


Both, day and night Neither day nor night


73. The process of the following which is promoted by cold treatment given to growing plants is known as

Photomorphogenesis Oxygenation


Photoperiodism Vernalization


74. IIlotive force during water transport in xylem is generated at
Air-water interface within the leaf
Air-water interface outside the leaf
Guard cells of stomata
Air boundary layer
75. During photorespiration CO2 formation IS catalized by the enzyme
Glycolate oxidase
Serine aminotransferase
Glycine decarboxylase
Ribulose 5 bisphosphate oxygenase
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76.
In non-Oz evolving organisms, the following photosystem is present (Al Photosystem I only (Bl Photosystem II only (Cl Both Photosystem I and Photosystem II (Dl Neither Photosystem I nor Photosystem II

77.
Photosystem II is found preferentially in the regIOn (Al Stroma lamellae and at the edges of granna lamellae (Bl Staked regIOn of granna lamellae (Cl Stroma

Lumen

78.
Photosystem II produces (Al Weak oxidant only (Bl Strong reductant only (Cl Weak oxidant and strong reductant


Strong oxidant and weak reductant
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79.
Kranz anatomy IS generally found in

(Al CAM plants C3 plants
(Cl C4 plants All of these


80.
In CAM plants acidification of leaves occurs during (Al Day m presence of light

Throughout day and night
eCl :ight m presence of dark
(Dl None of the above


81.
In eukaryotes, electron transport and oxidative phosphorylation takes


place in
(Al Outer membrane of mitochondria


Inner membrane of mitochondria

I.
Chloroplast


Cell cytoplasm


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82. Which one of the following IS the inhibitor of NADH dehydrogenase

Rotenone Antimycin A


Cyanide Azide


83. The co-enzymes NADH and NADPH used III the enzyme bioassays have absorbance III the UV regIOn at

260 nm 280 nm


300 nm 340 nm


84. In spontaneous reaction, the free energy of a system

Decreases Increases


Becomes zero Remains unchanged


85.
Which of the following forms a part of the coenzyme?

86.
In feedback inhibition a metabolic pathway is switched off by


A rise III temperature


Lack of substrate


Accumulation of the end product


Competitive inhibition



87.
The accepted 81 unit of enzyme activity IS


Natal (El Katal


Ketel (DJ Mol



88.
The phylogenetic analysis based on conserved DNA sequences grouped all living organisms into .


Bacteria, archea and eukarya


Bacteria, higher plants and eubacteria


Bacteria, lower plants, eubacteria and archea


Bacteria. ViruS, mycoplasma and higher plants




Lipase
Vitamin B2 Lysine
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89. Which of the following factors can affect the enzyme activity?
CA) pH Temperature
Phosphate All of these
90. Prosthetic groups are:

Required by all enzymes III the cell


Linked to phosphate group


Loosely bound to enzymes Via hydrogen bond


Tightly bound to enzymes and are required for their activity


9l. The enzymes of glycolysis are located in the: (Al Mitochondria IB) Xucleus
Cytoplasm Endoplasmic reticulum
92. The first stage of nitrogen fixation IS

Reduction of nitrogen gas to ammOllla


Reduction of nitrogen gas to nitrite


Reduction nitrogen gas to nitrate


II
Reduction. e>f nitrogen gas to ammOlllum nitrate
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93. How many ATP molecules are required to convert one molecule of nitrogen into ammonia

2 ATP 16 ATP


8 ATP 12 ATP


94. The nitrogenase complex consists of

Nitrogenase
(Bl Reductase



Phosphatase


Both nitrogenase and reductase


95. The component that protects nitrogenase from inactivation by 02 IS
Ferredoxin Leghemoglobin
IC) Glutamine None of these

96.
Initiation codon AUG codes the ammo acid

97.
In eukaryotic cell, nearly how much DNA is expressed at anyone time?

(Al (Bl 20%
(Cl 50% 80%


98.
What "turn off' the lac operon


':-'Iethionine Tryptophan
(Cl Proline Cysteine
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(Al Presence of lactose (B1
(Cl Absence of lactose Both (Bl and (Cl
99.
Cryopreservation is usually done at about (Al -96°C temp. (El -196°C temp. (Cl -40°C temp. O°C temp.

100.
A piece of nucleic acid used to detect a gene, by forming a hybrid with it, is called


(Al Probe (B1 Vector
(Cl Restriction sequence Retrovirus

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101. In recombinant DNA technology, a plasmid vector must be cleaved by
Four separate enzymes
Modified DNA ligase
A heated alkaline solution
The same enzyme that cleaves the donor gene
102. In gene therapy, DNA is inserted into a cell to compensate for
The lack of copy DNA
Mutant alleles
The absence of plasmids
Holes in the DNA made by viruses
103. A section of with bases will line up with bases
'A.I
lei
104. A polypeptide is assembled on a
molecule Nuclear membrane
Nuclear pores Ribosomes
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105. If a cell is treated with a chemical that blocks nucleic acid synthesis, whic
of the following processes would most likely be affected first
(Al DNA replication (Bl tRNA synthesis
(Cl mRNA synthesis Protein synthesis
106. A secondary metabolite "amotoxin" is derived from
(Al Amanita (Bl Penicillium
(Cl Fusarium Aspergillus
107. If a part of the molecule is soluble in water and another part is insoluble.
such a molecule IS called
(Al Amphoteric (Bl Hydrophilic
(Cl Amphipathic (Dl Hydrophobic
108. Transgenic golden nce pro"ides
(Al Vito B12 iBI Vito A
(Cl Insect resistance None of these
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109. Which of the following statements is correct
(Al Introns are present in all eukaryotic genes
(Bl Introns do not play any role III controlling gene expreSSIOn
(Cl Introns are more prevalent in lower eukaryotes than higher eukaryotes
(Dl None of the above
110. The amino acids present in high proportion III the histones are
Lysine and methionine
(Bl Methionine and cysteine
(Cl Arginine and lysine
Arginine and methionine
111. The first completely sequenced cellular genome was of
(Al Escherichia coli
lEi Haemophilus influenzae
Drosophila melanogaster
ArabidopslS thaliana
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112. Identify the incorrect statement
Topoisomerase I breaks just one strand of DNA
Topoisomerase II breaks both the strands of DNA
Topoisomerase I breaks both the strands of DNA
All the above are correct
113. Identify the correct statement
Telomerase IS a re·erse transcriptase
Telomeric DKA does not have any repeats
Both the above statements are correct
Both are incorrect
114. Which of the following chaperon proteins IS not a member of the Hsp 90
protein family
HtpG Grp94
Hsp90 SSCl
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115. The only non-glycerol phospholipid present in the cell membrane IS

Ceramide Phosphatidylserine


Phosphatidylcholine Sphingomyelin


116. Identify the incorrect statement
Actin genes are expressed only m muscle cell
The phenomenon of treadmilling illustrates the dynamic behaviour of actin filaments
The cytochalasins bind to the plus ends of actin filaments and block their elongation
The drug taxol stabilises microtubules and thus blocks cell division
117. The major cell surfacereceptors responsible for the attachment of cells to the extracellular matrix are
Adhesins Laminins
Integrins S/SO/2013/09 Eutactin P.T.O.

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118. A sort of signalling in which the hormones are carried through circulatory
system to act on the distant target cells is called
(Al Autocrine signalling (El Endocrine signalling
(Cl Paracrine signalling Direct cell-cell signalling
119. Which of the following has only one codon?
(Al Glycine Arginine
(Cl Methionine (Dl Tyrosin
120. Choose the correct statement
(Al In southern blotting, before transfer, DNA is denatured with alkali
(El In southern blotting, before transfer, DNA is denatured with acid
(Cl Northern blots cannot be used to determine the sIze of mRNA
All of the above are correct
.21. The full cellular component of protein kinases IS
(Al Kinosome Kinasome
(Cl Proteome Kinome
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122. The two hybrid analysis reveals
DNA-DNA interactions
Protein-protein interactions
RNA-RNA interactions
DNA-protein interactions
123. Non-viral method for introduction of nucleic acids into eukaryotic cells IS
called
Conjugation Transduction
Translocation Transformation
124. Which of the following is not a DNA sequence database
Gene Bank EMBL
Both and Swiss prot
125. In E. coli holiday junction recognition and branch migration are catalysed
by
RuvC RecBCD helicase/nuclease
RuvAB complex Rad 51
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126. Which of the following is virus-like retrotransposon

Ty elements Phage mU


F elements P elements


127. The phenomenon of transposition target immunity is associated with
LAT family elements
LINE and SINE elements
Phage mU
Alu sequences
128. For active transport to occur the following must be present
Carrier proteins, ADP and cell membrane
ATP, cell membrane and vacuole
Carrier proteins, ATP and cell membrane
Cell membrane, water and ATP
129. Primeval atmosphere on the earth did not contain

Free 0z (El COz and CO
Nz and NH3 Free 0z and Hz
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130. Rate of change m number of species per unit area of habitat IS known
as
(Al <i-diversity (El
(Cl v-diversitv. . Species heterogeneity
131. Which of the following alternatives IS correct with respect to secondary
pollutant?
(AI PAX (Bl °3
eCl N02 All of these
132. Boreal forests are
(Al Northern temperate coniferous forests
Tropical rain forests
I Dry tropical deciduous forests
I Di Tropical equatorial vegetation
133. Which of the following has the highest global warmmg potential

(Cl CFC-ll CFC-12

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134. Which range of wavelength is absorbed by the atmospheric 03
(Al 280 nm (Bl 280-320 nm
(Cl 321-390 nm 390 nm
135. Who is known as father of Indian Ecology
(Al Birbal Sahani (Bl KC. Mishra
(Cl Ramdev Mishra (Dl KC. Mehta
136. NEERI IS situated at
(Al Pune New Delhi
(Cl Nagpur (Dl Bengaluru
137. Which state of India has maximum area of saline soils
(Al U.P. (Bl Rajasthan
(Cl West Bengal (Dl Haryana
138. Landslides mainly occur in
(Al Gangetic plains (BI Hilly areas
(Cl Grasslands (Dl Savannas
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139. Grasslands with clumps of trees are known as

Chaparral biomes Desert biomes


Tropical savannas Tundra biomes


140. Which of the following gives the best picture of food chain
Standing crop Pyramid of number
Pyramid of biomass Pyramid of energy
141. Which of the following IS not an m situ approach of biodiversity
conservation
Biosphere reserves reserves
Botanical gardens Sanctuaries
142. Cell cycle is regulated by
rA) Amino acids Fatty acids
Carbohydrates Proteins
143. The largest period of cell cycle IS

Interphase Prophase
Metaphase Anaphase
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144. Mendel selected pea as the experimental material because:
It is an annual plant with comparatively short life cycle
The flowers are self-pollinated
The number cf seeds produced IS quite large
All of the above
145. Complete linkage is found III
Male birds Female snakes
Male Drosophila Female Drosophila
146. Synaptonemal complex is associated with
Chromosome condensation
Chromosome alignment and recombination
Chromosome doubling
Chromosome replication
147. Which of the following has always stood the test of time?
Law of segregation of factors
Law of dominance
Law of independent assortment of factors
All of the above
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148. Isochromosomes are the chromosomes
(Al Which are similar III morphology
(Bl Which are dissimilar III morphology
(Cl Whose both arms are similar
(Dl Whose both arms are dissimilar
149. Crosses between diploid male and triploid female plants practised to
produce:
(Al Monosomic plants
(Bl Double monosomic plants
(Cl Trisomic plants
Xullisomic plants
150. The frequency of crossing over for an allele would never be more than

(Al 309c (Bl 50%
(Cl 80% 85%
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