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ENTRANCE EXAMINATION -2011 M.Sc. Plant Biology Biotechnology
Time: bours Maximum Marks: 100
HALL TICKET NO. I

INSTRUCTIONS Please read carefully before answering the questions:
1.
Enter your Hall Ticket number both on the top of this page and on the OMR answer sheeL

2.
Answers are to be marked only on the OMR answer sheet following the instructions provided then: upon.

3.
Hand over both the question paper booklet and OMR answer sheet at the end ofthe examination

4.
The question paper contains 100 questions Questions Nos. 1-25 and Part-B: questions Nos. 26-100) of multiple choice in 17 pages, including this page. One OMR answer sheet is provided separately. Please cbeck.


S. The marks obtained in Part-A will be used for resolving the tie cases
6.
Each question carries one mark.

7.
There is negative markipg for wrong answers, in PARTS A and B. For each wrong answer, 0.33 ofa mark will be deducted.

8.
Calculators and Mobile Phones are not allowed.





PART-A

1. Which ofthefollowingisnotthefeature ofgymnosperms?
A. Parallel venation
B. Perennial plants
C. Distinct branches (long and short branches)
D. Xylem with vessels
2. Integument ofPinus is
A. Haploid
B. Diploid
C. Triploid
D. Polyploid
3. In the rhizome ofMarselia we found the following stellar organization
A. Plectostele
B. Solenostele
C. Dictyostele
D. Amphiphloic siphatostele
4. Golden age of gymnosperms
A. Paleozoic era
B. Mesozoic era
C. Coenozoic era
D. Devonion period
5. Ovular structure associated with directing the growth ofpollen tube towards the micropyle is called
A. Obturator
B. Pollenkil
C. Translator
D. None ofthe above
6. Brown accessory pigment found in and characteristic ofthe brown algae
A. Fucoxanthin
B. Zeaxanthin
C. Neoxanthin
D. Heteraxanthin




7. The number of cotyledons in Cycas
A. Two
B. One
C. Three
D. Many
8. Morphine was initially isolated from
A. Papaver somniftrum
B. Rauwolfia serpentina
C. Conium maCldatum
D. Hyoscyamus niger
9. Moss capsule represents
A. Sporophyte
B. Gametophyte
C. Protonerna
D. Imperfect stage
10. The Fruit oflbe cotton is
A. Follicle
B. Caryopsis
C. Loculieida! capsule
D. Aehene
11. A lateral meristern in plants
A. Perieyele
B. Casparlan strip
C.Cortex
D.Cambium

12. Which oflbe following is man made?
A. Seea/e
B. Triticale
C. Triticum
D. Cicer aretinum
13. An abandoned, idled, or polluted site is called
A. Whitefiled
B. Blacldield
c.
Brownfield

D.
Redfield



14. The fiber cells ofplan1S are a type of
A. Parenchyma
B. Collenchyma
C. Scle=chyma
D. Xylem cell
15. A large-scale grouping that includes many communities of a similar nature
A. Ecosystem
B. Biome
C. Population
D. Community
16. Roots that develop from the stem following the death of the primary root are known as
A. Adventitious roots
B. Secondary root
C. Taproot
D. Stilt root
17. Which one of the following is not present in plant cells
A. Peroxisomes
B. Centriole
C. Microtubules
D. Telomeres
18. In Pisum sativum, there are 14 chromosomes. How many types of homologous pairs can be prepared?
A. 14
B. 7
C. 2"
0.2'·

i9. Lateral meristem is found in
A. Stem tip
B. Cambium
C. Vascu1ar bundles
D. Stem tip root tip
20. Red Sanders (Rakhth/La1 Chandan) botanical name
A. Pterocaprus indicus
B. Pterocarpus marsupium
C. Pterocarpus san/alinus
D. Pterocarpus santalinoides
21. Protistan division that is referred to as the golden brown algae; includes the diatoms are
A. Cryptophytes
B. Chrysophytes
C. Phreatophyte
D. Phanerophytes
22. Which of the following is the Heterogamous Fungi?
A. Phylophlhera
B. Albugo
C. Puccinia
D. Usrilago
23. The coiling of tendtil around the support is called
A. Thigmotropism
B. Seismonasty
C. Rheotaxis
D. Chemotropism
24. Subject that study the factolS that affect the earth and ail pollution is termed as
A. Dendtoclimatology
B. Dendroecology
C. Dendrohydrology
D. Dendrochronology
25. Nector and resins in plants are secreted from
A. Sclerenchyma
B. Collenchyma
C. Parenchyma
D. All the above

PART-B

26. Molarity ofpure water is
A.55.56
B.12.4
C.44.3
D.34.1
27. lbe $Cientist who first reported somatic embtyogenesis in canot is
A. White (1963)
B. Reinert (1959)
C. Scowcroft (1982)
D. Raghavan (1976).
28. economic era is popularly known as the as of
A. Pteridophytes
B. Gymnosperms
C. Angiospenns
D. Cycads and conifers
29. Methylotrophs are bacteria which....
A. utilize ethanol
B. utilize methanol
C. produce methane
D. produce methanol
30. In Neurosopra erassa, a cross is made between a wild type stain with a strain Wlable to synthesize leucine (leu). Which ofthe following ascospore distribution represent first division segregation pattcrn?
A. leu leu
B. leu leu leu
C. leu
D. leu leu
31. Starch is insoluble in water. Yet it is accumulated in large quantities in potato because:
A. Soil microorganisms deposit starch in tubers
B. It is synthesized in potato tuber itself
C. It is translocated from the leaves to the tuber in the form ofsugar
D. It is useful for consumption



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32. The largest plont virus reponed as oftoday is
A. Tobac<:o Mosaic Virus
B. Tobac<:o Etch Virus
C. Citrus Tristeza Virus
D. Cucumber Mosaic Virus
33. !faplontiscrossedwithatetraploid(male),theploidy oftheendospermcells in the resulting seeds is
A. Diploid
B. Triploid
C. Tctraploid
D. Pentaploid
34. During the G1-phase of cell division:
A RNA ond proteins are synthesized
B. DNA ond proteins an: synthesized
C. Cell prepares for M-phase
D. Cell undergoes duplication
35. Owle is inverted and micropyle is very close to hilum in
A. Anatropous ovule
B. Orthotropus ovule
C. Amphitropus ovule
D. None of the above
36. Methylene blue is alan
A. Basicdye
B. Neutral dye
C. Aciddye
D. Both neutral and acid dye
37. Identify the mismatch
A. Bifidobacterium -produces acetic acid
B. Frankia -fixes rtitrogen
C. E. coli -Methyl red positive
D. Enterobacltr -H2S positive
38. Oxygen released in photosynthesis comes from
A.Co,
B. Water
C. Air
D.None

39. The characteristic phenotypic ratio that is obtained for the two codl'minant genes that are located on the same chromosome and exhibiting complete

A.
B.
C. 3:1
D. 1:2:1
40. To make Imi of20 ATP. how much oflO mM ATP stock should be taken?
A 20 IJ1
B. 21J1
C. 200 IJ1

D. 50 IJ1
41. According to Hardy-Weinberg equilibrium the allelic and genotypic frequencies remain constant generation after generation. All assumptions below must be true for a population to be in Hardy-Weinberg equilibrium except for:
A. The population size must be large
B. Mating occur at random
C. No dominance effects are present
D. There is no mutation, migration or selection
42. Which of the following statements is TRUE
A. Proteins are synthesized always from Carboxy terminus to Amino
terminus
B. Proteins are synthesized always from Amino terminus to Carboxy terminus
C. Proteins can be synthesized randomly in any direction
D. Protein synthesis always happens bi-directionally
43. A fungus parasiting another fungus called
A. Epiphyte
B. Epibiotic
C. Mycoparasite
D. Mycobiont
44. Which is the first stable product of Calvin cycle?
A. Ribulose diphosphate
B. Fructose-l-6-diphosphate
C. Phospoglyceric acid
D. Phasphoenol pyruvic acid





45. Framesbif mutations are observed because
A. The DNA code is commaless
B. The DNA code bas stop codons
C. The DNA code is a triplet
D. All ofthe above
46. Gram positive bacteria have
A. Thick. homogeneous layers ofpeptidoglycon and teichoic acid
B. Thin, heterogeneous layers of peptidoglycan, teichoic acids and Iipopolysaccharides
C. Thin, peptidoglycan layer surrounded by a complex outer membrane containing Iipopolysaccharides
D. Thick. homogeneous layers of peptidoglycan and lipopolysaccharides
47. An example of an enzyme hydrolase is
A. Glutamate synthase
B. Lactate dehydrogenase
C. Glucose 6-phosphatase
D. Nitrogenase
48. In which ofthe following generation would you expect to have maximwn genetic variability
A. F,
B. F,
C. F,
D. F,
49. The bioluminescent dinoflagellates are
A. Noc/i/uca and Gonyau/ax
B. Gymnodinium and Ceras/ium
C. DiTWbryan and Dis/ephanus
D. PinnuIaria and Ace/abu/aria
SO. Ammonia oxidation to nitrate depends on the following two bacteria
A. Ni/rosomonas-Ni/rosospira
B. Azospiri//um-Pseudomonas
C. Nilrobac/er-NiIrOCOCCUS
D. Nilrosospira-NilrococCUS


51. What is Archaea?
A. Archaea is a classification for organisms that have two nuclei.
B. Archaea is a classification for organisms that use phagocytosis.
C. Archaea is a classification ofan organism that identifies prokaryotes that do not have peptidoglycan cell walls.
D. Archaea is a classification ofan organism that identifies prokaryotes that have peptidoglycan cell walls.
52. Ames test is a test that uses
A. A special Salmonella stmin to test chemicals for mutagenicity and potential carcinogenicity
B. A Streptococcus strain to test its pathogencity on humans
C. A Caulobacter stmin to test for use in the treatment ofmutagens and carcinogens
D. A Helicobacter strain to test for curing gut cancer.
53. The secondary nucleus after fusing with one ofthe two male gametes develops into
A. Seed
B. Fruit
C. Embryo
D. Endosperm
54. The process ofdetermining the age ofa tree or wood used in structures by counting the number ofannual growth rings
A. Dendroclimatology
B. Dendropyrochronology
C. Dendrohydrology
D. Dendrochronology
55. In TCA cycle isocitric acid is converted to
A. Fumaric acid
B. a-Ketoglutaric acid
C. Succinic acid
D. Succiny-COA
56. The most common phycobiont in lichens is
A. Red algae
B. Brown algae
C. Blue-green algae
D. Greenalgae
57. the following support lithoautotrophic growth of mIctOOrganJsms
A. H,S Co.,
B. H,S glucose
C. Glucose Co.,
D. Co., H,S
58. ldioblasts are developed from
A. Fibres
B. Sclereids
C. Colleochyma
D. Parenchyma
59. Solarisation is:
A. Fonnation ofchlorophyll
B. Destruction of chlorophyll
C. Utilisation of sunlight
D. Effects ofsolar light
60. Photophosphorylation was discovered by:
A. Amon
B. Hill
C. Calvin
D. Ruben and Kaman
61. Pick up the odd among the following TCA cycle intennediates
A. Malate
B. Succinate
C. Fumarate
D. Citrate
62. Bacterial membranes are similar to eukaryotic membranes in that many of their amphipathic lipids are phospholipids, but they usually differ from eukaryotic membranes in acking sterols such as cholesterol; they have sterol-like molecolues which might have significantly contributed to the fonnation of petroleum. Select the compound(s) from among the following:
A. Ergosterols
B. Hopanoids
C. Phytanols
D. Squaleoes

63. A friend has discoven:d a DCW plant and brings it to you to classify. The plant has the following characteristics: a fibrous root system; no petioles; parallel leaf veins; thick, lignified cell walls; and a vascular cambium. Which ofthe following best describes the new plant?
A. Woody monocot
B. Herbaceous monocot
C. Herbaceous diool
D. Woody dioot
64. Primitive bryophytes are
A. Club masses
B. Horse tails
C. Liver worts
D. Ferns
65. Whichofthefollowing isabsentinmalegarnetophyte ofangiosperms
A. Protha1lial cell
B. Vegetative cell
C. Generative cell
D. None of the above
66. Leaves of Equisetum is characterised
A. Amphistomata
B. Scales
C. Cladodes
D. All the above
67. The study ofthe distribution ofplanlS and animals across the Earth is called
A. Zoogeograpgy
B. Phytogeography
C. Biogeography
D. Paleogeography
68. In Drosophila. a narrow reduced eye is called a bar-eye. It is due 10 dominant X-linked allele while the wild-type is due to the recessive gene The genotypic expectations of a cross of a heterozygous bar eyed female with a bar...yed male
A. Yo Bar eyed females and Yo wild type males
B. Yo Bar eled females: 4 Bar eyed males: 4 wild type males
C. Yo wild type females: 4 wild type males: IS bar eyed males
D. All progeny bar eyed
69. A diploid plant species of2o=12 chromosomes was hybridized with one having 2n 18 chromosomes. The breeder found that the hybrid to be an alloteraploid (amphidiploid). How many chromosomes can be expected in
it?
A.24
B.36
C. 15
D.30
70. Hybrid is
A. Homozygous dominant
B. Homozygous recessive
C. Heterozygous
D. Mutant
71. The disappearance all individuals in a group is called
A. Expression
B. Expansion
C. Extension
D. Extinction
72. The study of how organisms interact with each other and their physical
environment is known as
A. Ecobiome
B. Noosystem
C. Microcosm
D. Ecosystem
73. Duringwhichphase ofthegrowthofmicroorganismsthenumber ofdividing cells equal the number of resting cells
A. Log
B.Lag

C. Stationary
D. Death
74. The presence of two or more cell lines from different zygotes in a single individual is known as
A. Diploidy
B. Aneuploidy
C. Mosaicism
D. Chimerism 75. What is an alton?
A. The equivalent ofa nanometer
B. The unit of measurement used to measure the structure of an atom
C. The unit of measurement used to measure atomic nwnber
D. The unit ofmeasurement used to measure atomic weight
76. Which among the following is not a fluorescent probe?
A. Ethidiwn bromide
B. Dansyl chloride
C. Fluorescein
D. Malachite green
77. Linolenic acid is unsaturated fatty acid and its content is highest in:
A. Groundnut oil
B. Coconut oil
C. Cotton oil
D. Sunflower oil
78. One ofthe following is Dot a member of Enterobacteriaceae
A. Se"atia
B. Shigella
C. Klebsiella
D. Stigma/ella
79. Which one of the following is an aromatic amino acid
A. Glycine
B. Tyrosine
C. Valine
D. Glutamine
80. Term applied to plants having separate male and female plants
A. Monoecious
B. Monogamous
C. Polygamous
D. Dioecious
8t. Thephenomenon ofapomixesisofinterestin plantbreedingbecause it
A. Increased the genetic variability
B. Produces clonal progeny
C. Increased the seed set
D. Improves the quality ofseed
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82. Natural Rubber is
A. Polymerofphenolic compournls
B.
C. Polymer ofterpenes
D. Polymer of aminoacids
83. DNA was first isolated by
A. Friedrich Miescher
B. James D. Watson and Francis Crick
C. Oswald Avery
D. Colio Macleod and Maclyn McCarty
84. Tapctcm is a
A. Nowshing layer
B. Protective layer
C. Vestigeallayer
D. All the above
85. Identify the mismatch
A. Well's disease -Leptospira interrogans
B. Salmonellosis -Salmonella spp.
C. Qfever-Coxiella burnetii
D. Psillacosis -Pasteurella multocida
86. The RNA virus having DNA as an intermediate in its life cycle is
A. Humun immunodeficiency virus
B. Hepatitis C virus
C. Hepatitis B virus
D. None
87. A fern prothallus is bisexual. If fertilization takes place between their gameres than it is known as:
A. Cross fertilization
B. Selffcrtilization
C. Isogamous
D. Viviparous
88. Cyanobacteria is a
A. Non photosynthetic bacteria
B. Photosynthetic bacteria
C. Green sulphur bacteria
D. Anaerobic bacteria 89. How do enzYmes catalyze a reaction?
A. The change potential energy to kinetic energy
B. They decrease reaction energy and increase activation energy
C. They change activation energy
D. They change into im:vcrsible reaction
90. In humans, males gencrally express recessive sex-linked traits
A. There is NO portion ofthe Y chromosome which is homologous to the X chromosome
B. They frequently lack counterbalancing alleles on their autosomes
C. The sex-linked traits an: on Y chromosome
D. They an: hemizygous for the gene mutation have only one X chromosome
91. The type of life cycle in yeasts
A. Haplobiontic
B. Diplobiontic
C. Haplo-diplobiontic
D. All the above
92. The Drosophila flies of genotype XXV produced due to non-disjunction evenl would be
A. Females because they have two X chromosomes
B. Be males because they have a Y chromosomes
C. Display both male and female characters
D. Sterile females because they have Y chromosome
93. The fact that all seven traits studied by Mendel in garden pea obeyed the principle of independent assortment means thaI the
A. The garden peas have a diploid chromosome number of 7
B. Seven pairs of alleles determining these traits an: on the ""me pair of homologous chromosomes
C. Thesevenpairs ofallelesdeterminingthese traitsbehaveas iftheyare on different chromosomes
D. The seven pairs of alleles determining these traits present on the same pair ofhomologous chromosomes an: tightly linked
94. Which nucleotide of RNA corresponds to Thymine in DNA?
A.A

B.
G

C.
C

D.
U



95. The dihybrid cross produces four phenotypes in the ratio of9:3:3:1 because of
A. Dominan""ofonephenotype ineach pairsofcbsracters
B. Independent assor1ment of the factors controlling the two pairs of characters
C. Combined effect ofdominance and independent assor1ment
D. Crossingover oftwo pairsofcharacters
96. Vitamine B2 is related with
A.FMNIFAD
B. NAD
C. ATP
D. NADPH
97. During the meiotic division, the:
A. Homologous chromosomes are separated
B. The linkage is disturbed
C. The homologous chromosomes do not segregate
D. All of the above
98. Recently declared biosphere reserve in Andbra Pmdesb is
A. Nallamala
B. Rajiv Gandhi National Pari<
C. Sesbacbalam bills
D. Araku valley
99. The condition when the forward and reverse reaction mtes are equal and the
concentrations of the products remain constant

A. Hydrolysis
B. Catalysis
C. Compensation reaction
D. Chemical equilibrium
100. tRNA is involved in the biosynthesis of
A. Starch
B. Nucleic acids
C. Vitamjns
D. Proteins

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