GNDU 2020 Entrance Exam Question Paper M.Sc Microbiology Botany Zoology

Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

Section 1 - M Sc - Microbiology or Botany or Zoology

1) The capsid of bacteriophage is made up of
A) Phospholipids

B) DNA

C) Proteins

D) carbohydrate

2) Life cycle of Obelia is termed as
A) Neoteny

B) Polymorphism

C) Metagenesis

D) Alteration of generation

3) Normal human body cells contain how many chromosomes?
A) 44

B) 23

C) 58

D) 46

4) Lipid bilayer is
A) Neither A or B

B) Both Hydrophilic and Hydrophobic

C) Hydrophobic

D) Hydrophilic

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

5) Bacteria with a cluster of polar flagella are called
A) Monotrichous

B) Lophotrichous

C) Amphitrichous

D) Peritrichous

6) Gliding motility enables bacteria to move
A) none

B) Both

C) in liquid media

D) along solid surfaces

7) Members of cephalochordata are
A) Carnivorous

B) Predators

C) Mucous feeders

D) Filter feeders

8) The protective covering over radicle during seed germination is:
A) Epidermis

B) Coleoptile

C) Coleorrhiza

D) Suspensor

9) Grafting is successful in dicots but not in monocots because the dicot have:
A) Vascular bundles arranged in a ring

B) Cork Cambium

C) Cambium for secondary growth

D) Vessels with elements arranged end to end

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

10) Transposable elements are also known as:
A) Codons

B) Linear RNAs

C) Jumping genes

D) Junk DNA

11) Which of the following is a polysaccharide?
A) Sucrose

B) Lactose

C) Maltose

D) Glycogen

12) Which hormone reduces transpiration rate by inducing stomatal closure?
A) ABA

B) Ethylene

C) Cytokinin

D) Auxin

13) The pigment fucoxanthin is found in which group of algae:
A) Red Algae

B) Green algae

C) Blue green algae

D) Brown algae

14) Citric acid is produced commercially by
A) Saccharomyces cerevisiae

B) Rhizopus oryzae

C) Aspergillus niger

D) Ashbya gossypii

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

15) Chief excretory waste of earthworm is
A) Creatinine

B) Water

C) Urea

D) Ammonia

16) Select the correct statement:
A) Legumes fix nitrogen only by bacteria present in leaves

B) Legumes are incapable of fixing nitrogen

C) Legumes fix nitrogen through bacteria living in fruits

D) Legumes fix nitrogen only by bacteria present in root nodules

17) Which of the following vitamins protect cells from the damaging effects of oxidation reduction reactions?
A) Vitamin C

B) Vitamin E

C) Vitamin A

D) Vitamin B

18) Trichocysts are found in
A) Endoplasm of Paramecium

B) Ectoplasm of Paramecium

C) Ectoplasm of Euglena

D) Endoplasm of Euglena

19) If the treatment of gibberellic acid is given to dwarf pea plant, it become tall. If these pea plants are crossed with pure
tall pea plants, what will be the phenotypic ratio in F1 generation?
A) 75% tall and 25% dwarf plants

B) 50% tall and 50% dwarf plants

C) 100% tall plants

D) All dwarf plants

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

20) Name the type of bacteria which uses reduced inorganic substances as an electron source?
A) Organotrophs

B) Lithotrophs

C) Autotrophs

D) Chemotrophs

21) A flagellum is composed of
A) filament

B) hook

C) basal body

D) all the above

22) The function of chloroplasts is:
A) cellular respiration

B) Photosynthesis

C) lipid synthesis.

D) protein synthesis

23) Accumulation of non-biodegradable materials in the food chain
A) Detoxification

B) Biomaginification

C) None of these

D) Both of these

24) The correct sequence of various larvae of liverfluke is
A) Miracidium, Sporocyst, Cercaria, Metacercaria, Redia

B) Miracidiun, Sporocyst, Redia, Cercaria, Metacercaria

C) Cercaria, Sporocyst, Redia, Miracidium, Metacercaria

D) Sporocyst, Redia, Miracidium, Cercaria

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

25) Mycology is the study of
A) Algae

B) Bacteria

C) Fungi

D) Viruses

26) As per the available fossil record, which one is the first vascular plant:
A) Psilophytales

B) Horsetails

C) Cycads

D) Lycopsids

27) For each molecule of ATP the Na+- K + pump transfers
A) 3 Na+ out and 2 K+ in

B) 3 Na+ in and 2 K+ out

C) 2 Na+ out and 3 K+ in

D) 2 Na+ in and 3 K+ out

28) The process in which various industrial products like alcohol, penicillin are produced is called
A) Fermentation

B) Putrefaction

C) Synthesis

D) Degradation

29) Maximum amount of water loss in plants occurs through:
A) Transpiration

B) Guttation

C) Metabolism

D) Photosynthesis

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

30) The association which involves the exchange of nutrients between two species is referred to as ______________
A) Antagonism

B) Mutualism

C) Syntrophism

D) Commensalism

31) In angiosperm, triple fusion is necessary for the formation of:
A) Pollen

B) Endosperm

C) Leaf

D) Embryo

32) Which of the following is an example of saturated fatty acids ?
A) Oleic acid

B) Lauric acid

C) Linoleic acid

D) Sucrose

33) The end products of anaerobic respiration are:
A) CO2 and Ethanol

B) CO2 and H2O

C) CO2 and S

D) CO2 and O2

34) Rods, spheres and spirals are shapes of cells observed in:
A) Plants

B) Animal Cell

C) Bacteria

D) Fungi

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

35) Phytoalexins aid in
A) Photosynthesis

B) Respiration

C) Defense against pathogen

D) Plant growth

36) Repeating units of hyaluronic acid are
A) N-acetylglucosamine and galactose

B) N-acetylgalactosamine and D-glucoronic acid

C) N-acetyl galactosamine and L-iduronic acid

D) N acetylglucosamine and D-glucoronic acid

37) For chlorophyll formation in plants elements needed are:
A) Iron and Calcium

B) Calcium and Potassium

C) Iron and Magnesium

D) Sodium and Copper

38) If DNA is linked to a ladder, what are the compounds that make up the sides of the ladder?
A) Phosphate

B) phosphates and sugars

C) phosphates and bases

D) bases only

39) What is true about all sponges without exception?
A) They are all marine.

B) They have a mixed skeleton consisting of spicules and sponging fibres.

C) They reproduce only asexually by budding.

D) They have flagellated collar cells.

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

40) Respiration and photosynthesis are the key process of one of the following
A) Phosphorous cycle

B) Sulphur cycle

C) Carbon cycle

D) Nitrogen cycle

41) The synthesis of Auxin in plants starts from which amino acid:
A) Tryptophan

B) Orinithine

C) Cystine

D) Phenylalanine

42) Bordeaux mixture consists of
A) None of the above

B) Copper sulphate and zinc

C) Copper sulphate and lime

D) Calcium carbonate and lime

43) Bacteria reproduce by
A) all

B) budding

C) binary fission

D) fragmentation

44) An organic nutrient essential to an organism’s metabolism that cannot be synthesized itself is termed as:
A) growth factor

B) trace element

C) micronutrient

D) major nutrient

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

45) Main difference between fimbriae and sex pili is
A) pili are sex factor determined while fimbriae are not

B) only fimbriae are determined by sex factors

C) both are determined by nucleoid

D) both are determined by sex factors

46) The process in which the cell actually divides is called:
A) Meiosis

B) Cytokinesis

C) mitosis

D) None of the above

47) Red rust of tea is caused by:
A) Cephaleuros parasiticum

B) Melampsora lini

C) Puccinia graminis

D) Ustilago tritici

48) The pyramid of energy in an ecosystem is always:
A) Upright

B) Straight

C) Inverted

D) Upright and inverted

49) Fungi, which can grow only on living host plant, are called
A) Obligate parasite

B) Obligate saprophyte

C) Facultative parasite

D) Saprophytes

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

50) A substance dissimilar to substrate but competent of reversibly altering the activity of enzyme by binding to a site
other than active site is called:
A) Competitive inhibitor

B) Allosteric modulator/inhibitor

C) Non-competitive inhibitor

D) Catalytic inhibitor

51) Which among the following is an example of short day plants:
A) Tomato

B) Capsicum

C) Arabidopsis

D) Soyabean

52) Saffron is produced from:
A) Style and stigma of Crocus

B) Roots of Indigofera

C) Petals of Rose

D) Stamens of Hibiscus

53) The function of mitochondria is:
A) Degradation of proteins

B) intracellular digestion

C) intracellular transport of proteins

D) cellular respiration (ATP synthesis)

54) The ability of a microscope to distinguish two adjacent points as distinct & separate is known as
A) magnification power

B) brightening power

C) resolving power

D) none of the above

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

55) In a food chain largest population is that of
A) Producers

B) Primary consumers

C) Decomposers

D) Secondary consumers

56) 55 S ribosomes are found in
A) Mammalian mitochondria

B) Unicellular organisms

C) Bacteria and cyanobacteria

D) Chloroplasts

57) Equisetum is commonly called:
A) Horsetail

B) Stonewort

C) Clubmoss

D) Quillwort

58) The right handed shell coiling is known as
A) Sinistral

B) Clockwise

C) Dextral

D) Anticlockwise

59) In vertebrates brain and spinal cord have been derived from
A) Lateral nerve cord

B) Dorsal solid nerve cord

C) Dorsal hollow nerve cord

D) Ventral solid nerve cord

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

60) Eyes on potato tubers represent:
A) Buds

B) Sutures

C) rootlets

D) Scars

61) Bacterial ribosomes have a sedimentation coefficient of
A) 80S

B) 70S

C) 90S

D) 60S

62) Oxidative enzymes are found in
A) Golgi bodies

B) Rough Endoplasmic Reticulum

C) Lysosomes

D) Mitochondria

63) What is the sugar molecule found in DNA?
A) Deoxyribose

B) Oxyribose

C) None of the above

D) Ribose

64) Cell of higher plants differ from an animal cell with respect to the absence of
A) Endoplasmic reticulum

B) Centrioles

C) Miotochondria

D) Ribosomes

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

65) Which of the following amino acids can stabilize protein structure by forming disulphide bonds?
A) Cysteine

B) Lysine

C) Arginine

D) Alanine

66) The flax fibers are obtained from:
A) Cocos nucifera

B) Cannabis sativa

C) Linum ustistissimum

D) Crotoloria juncia

67) Pili play role in
A) conjugation

B) none

C) infection

D) both

68) An obligate halophile requires high concentration of -----------
A) temperature

B) salt

C) pH

D) pressure

69) Which fish is considered as living fossil?
A) Flying fish

B) Dog fish

C) Dodo

D) Coelacanth

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

70) Bryophyta acts as a connecting link between:
A) Pteridophyta and gymnosperms

B) Algae and fungi

C) Thallophyta and pteridophyta

D) Terrestrial fungi and aquatic fungi

71) Viruses were discovered by:
A) Stanley

B) Twort

C) Iwanowsky

D) Herelle

72) Which of the following amino acids is optically inactive?
A) Glycine

B) Proline

C) Arginine

D) Serine

73) Ampullae of lorenzini are located in
A) Stomach

B) Dorsal fins

C) Snout

D) Lateral fins

74) Perichaetium is seen in:
A) Archeogoniophore

B) Antheridiophore

C) Sporogonium

D) Sporophyte

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

75) Which of the following muscles does not help birds in flight?
A) Coraco-humeral

B) Extensor muscles

C) Triceps

D) Pectoralis major

76) Penicillin is a _______ antibiotic
A) macrolide

B) β-lactam

C) aminoglycoside

D) carbohydrate

77) Meiosis takes place in
A) None of the above

B) Vegetative cells

C) Both A and B

D) Reproductive cells

78) Which process releases di-nitrogen gas (N2) back into the atmosphere
A) Denitrification

B) nitrification

C) nitrogen fixation

D) decay

79) Koch’s postulate provide guidelines to identify
A) microbes contaminating dairy products

B) viruses

C) disease causing microorganisms

D) none of the above

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

80) Triticum dicoccum is commonly known as:
A) Club wheat

B) Durum wheat

C) Emmer wheat

D) Einkorn wheat

81) Bacteria divides through a process called:
A) Conjugation

B) Animal Cell

C) Binary fission

D) sexual reproduction

82) Cell theory was given by
A) Robert Brown

B) Urey and Miller

C) Robert Hooke

D) Schleiden and Schwann

83) In maize, the food is stored in:
A) Scutellum

B) Cotyledons

C) Aleurone layer

D) Endosperm

84) The word cell was coined by
A) Robert Hooke

B) Pasteur

C) Antony van Leeuwenhoek

D) Theodore Schwann

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

85) Which of these is used as biocontrol agent
A) Manure

B) Mycorhizza

C) Rhizobium

D) Trichoderma

86) Table sugar sucrose is formed from
A) glucose and glucose

B) glucose and galactose

C) fructose and galactose

D) glucose and fructose

87) The nucleus of a cell:
A) Part of lysosome

B) contains DNA and controls cell activities

C) is the region of the cell where ribosomes are degraded

D) is contained inside the nucleolus

88) Which part of sperm is formed by golgi bodies?
A) Middle piece

B) Head

C) Axial filament

D) Acrosome

89) Which of the following larva migrates from river to ocean after metamorphosis
A) Velliger

B) Bipinnaria

C) Trocophore

D) Ammocoeta

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

90) The space between alimentary canal and body wall in Ascaris is
A) Gastrocoel

B) Pseudocoel

C) Paracoel

D) Haemocoel

91) Chitin found in the exoskeleton of insects, crabs and lobsters as well as in cell walls of fungi is a
A) Lipoprotein

B) Protein

C) Polysaccharide

D) Lipid

92) Who wrote the book ‘Species Plantarum’?
A) Bentham and Hooker

B) Gaspard Bauhin

C) Carolus Linnaeus

D) Rivinus

93) Cellulose, a constituent of plant cell wall is made of
A) branched chain of glucose molecules linked by α-1,6 glycosidic bond at the site of branching

B) unbranched chain of glucose molecules linked by α-1,4 glycosidic bond

C) unbranched chain of glucose molecules linked by β-1,4 glycosidic bond

D) branched chain of glucose molecules linked by β-1,4 glycosidic bond in straight chain and α 1,6 glycosidic bond
at the site of branching

94) Nannandrium of Oedogonium is a:
A) Dwarf female

B) Abnorrmal male

C) Dwarf male

D) Normal female

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

95) The scientists who finally disproved spontaneous theory of generation was
A) All of above

B) Theodre Schwann

C) John Tyndall

D) Louis Pasteur

96) According to Whittaker’s five system classification monera are
A) Multicellular eukaryotes

B) Unicellular eukaryotes

C) Unicellular prokaryotes

D) None of the above

97) Which one of the following conditions is called monosomics:
A) n+1

B) 2n+1

C) 2n+2

D) 2n-1

98) If an Amoeba is transferred from river water to estuarine water
A) Its contractile vacuole disappears

B) It stops feeding

C) It divides immediately

D) It undergoes encystment

99) Chordate with teeth on tongue is categorised as
A) Lamprey

B) Pisces

C) Frog

D) Protochordates

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

100) A chromosome with subterminal centromere is called
A) Telocentric

B) Metacentric

C) Acrocentric

D) Submetacentric

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Set Id : 60877_5 GNDU - M Sc Microbiology or Botany or Zoology

Answer Keys
Question Paper No: 60877_5

1 C 26 A 51 D 76 B
2 C 27 A 52 A 77 D
3 D 28 A 53 D 78 A
4 B 29 A 54 C 79 C
5 B 30 C 55 C 80 C
6 D 31 B 56 A 81 C
7 D 32 B 57 A 82 D
8 C 33 A 58 C 83 D
9 C 34 C 59 C 84 A
10 C 35 C 60 A 85 D
11 D 36 D 61 B 86 D
12 A 37 C 62 D 87 B
13 D 38 D 63 A 88 D
14 C 39 D 64 B 89 D
15 D 40 C 65 A 90 B
16 D 41 A 66 C 91 C
17 B 42 C 67 D 92 C
18 B 43 A 68 B 93 C
19 C 44 A 69 D 94 C
20 B 45 A 70 C 95 D
21 D 46 B 71 C 96 C
22 B 47 A 72 A 97 D
23 B 48 A 73 C 98 A
24 B 49 A 74 A 99 A
25 C 50 B 75 B 100 C

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