BIOLOGICAL SCIENCE
Time – 2hr 30 min
Full Marks - 150
Category I
Each of the following question has only one option correct
1. “Omnis Cellula e Cellulae”- this statement was given by
a. Schlleiden & Schwann
c. Rudlof Virchow
2. What is true about genetic material of a prokaryotic cell
a. Lacks Hostones
c. Composed of a single circular DNA molecule
3. When a population is small, there is a greater chance of
a. Genetic Drift
b. Gene Flow
4. ER is originated from
a. Nucleolus
b. From the pre existing ER
5. What is mitoplast?
a. Mitochondria devoid of membrane
c. Mitochondria devoid of inner membrane
6. A genus with a single species of
a. Typical
b. Monotypic
7. Descending arrangement of categories is called
a. Key
b. Hierarchy
8. Which is true of fully turgid cell
a. OP=DPD
b. OP=Zero
9. ATP is injected in cyanide poisoning because it is
a. Necessary for cellular function
c. Na+-K+ Pump operates all the cell membrane
10. Example of water soluble plant pigment is
a. Chlorophyll-a
b. Chlorophyll-b
11. Which is near to the Plasma membrane
a. Tonoplast
b. Primary Cell Wall
12. Modulators
a. Inhibits enzyme activity
c. Function as co enzyme
13. All enzyme have
a. Prosthetic Group
c. Quaternary Structure
14. Polymer of α – d glucose is
a. Glycogens
b. Cellulose
15. t RNA attaches amino acid at its
b. Pasteur
d. Leeuwen Hock
b. Not Enveloped by nuclear membrane
d. All of these
c. Natural Selection
d. Mutations Occurring
c. Golgi Body
d. Nuclear membrane
b. Mitochondria devoid of DNA
d. Mitochondria devoid of outer membrane
c. Atypical
d. Polytypic
c. Taxonomy
d. Classification
c. DPD=Zero
d. TP=Zero
b. Necessary for Na+-K+ Pump
d. ATP breaks down Cyanide
c. Xanthophyll
d. Anthocyanin
c. Secondary Cell Wall
d. Middle Lamella
b. Stimulate enzyme activity
d. a & b Both
b. Catalytic Property
d. Only Negative Change
c. Insulin
d. Callose
a. 3` end
b. 5` end
c. Anticodon
d. Loop
16. Me thionine carrying tRNA has an anticodon
a. AUG
b. UAG
c. UAA
d. UAC
17. Crossing over that results in genetic recombination in higher organism occurs
a. Sister Chromatids of bivalents
b. Non Sister Chromatids of bivalents
c. Two daughter nuclei
d. Two different bivalents
18. DNA replication occurs
a. After meiosis
b. After Mitosis
c. Before Mitosis
d. All of These
19. Mitosis actually means
a. Division of cytoplasm only
b. Division of Nucleus only
c. Karyokinesis and Cytokinesis
d. Reduction in number of Chromosome
20. During cell cycle, RNA and Protein are synthesized in
a. S-Phase
b. G1 Phase
c. G2 Phase
d. Both B & C
21. In Protanopia, a person cannot distinguish
a. Blue Colour
b. Red Colour
c. Green Colour
d. Blue & Green Colour
22. A man with Blood Group B marries a woman with Blood Group A and their first child is having Blood Group A,
what is the genotype of child
a. |A |B
b. |A |O
c. |B |O
d. |B |B
23. At which stage is the fate of genetic constitution of gametes finally decided?
a. Anaphase I
b. Anaphase II
c. Metaphase I
d. Interkinesis
24. The number of Barr Bodies in turner syndrome is
a. 0
b. 1
c. 2
d.3
th
25. If a couple has 5 girls, the percentage probability of 6 child to be girl is
a. 10%
b. 25%
c. 50%
d. 100%
26. What would be percentage of thymine in DNA having 20% cytosine
a. 20%
b. 30%
c. 40%
d. 60%
27. How many codons in mRNA are required to code 1000 amino acids
a.1000
b. 1000+1
c.1000+1+1
d.3000+1+1
28. The element required for the activation of DNA as well as DNA polymerase is
a.Ca++
b. Mg++
c. Cu++
d. K+
29. Coacervates are
a. Liloproteins
b. Mixture of ammonia carbohydrates and water
c.Colloidal Suspensions
d. Fatty acid and nitrogenous compound
30. The area on which Birbal Sahani did his work was
a. Algae
b. Fossil Plant
c. Angiosperm
d. Bryophyta
31. Arrival of human beings in Geology
a. Paleozoic
b. Mesozoic
c. Cenozoic
d. Proterozoic
32. The animals dominated the Mesozoic era were
a. Birds
b.Pisces
c. Reptiles
d. Mammals
33. Which one is not vestigial in human
a. Third Molar
b. Segmental abdominal muscles
c. Coccyx
d. Finger Nails
34. Root Cap of monocot plant is originated from
a. Procambium
b. Calyptrogen
c. Protoderm
d. Both A & C
35. Epithem is associated with
a. Transpiration
b. Photosynthesis
c. Guttation
d. Absorption
36. Phellogen is
a. Secondary Lateral Meristem
b. Primary Meristem
c. Intercalary Meristem
d. Secondary Meristem
37. Collateral open vascular bundles and eustele are found in
a. Monocot Stem
b. Dicot Stem
c. Monocot Root
d. Docot Root
38. Transitional epithelium is found in
a. Lungs
b. Liver
c. Stomach
d. Urinary Bladder
39. Cartilage is formed by
a. Osteoblast
b. Fibroblast
c. Chondrocytes
d. Osteocytes
40. The antibodies is the blood are secreted by
a. Lymphocytes
b. Basophils
c. Monocytes
d. Neutrophils
41. Stratified epithelium is found in
a. Seminiferous tubules
b. Fallopian tubes
c. Nasal cavity
d. Kidney tubules
42. Bone forming cells are
a. Osteoblast
b. Osteoclast
c. Chondrocyte
d. Chondroblast
43. Which one of the following is transparent tissue
a. Tendon
b. Fibrous cartilage
c. Hyaline cartilage d. Ligament
44. Macrophages are modified
a. Eosinophils
b. Neutrophils
c. Monocytes
d. Basophils
45. Osmotic pressure higher in
a. Isotonic Solution b. Hypertonic Solution
c. Hypotonic Solution
d. None of them
46. Phyto hormone connected with closing of stomata is
a. ABA
b. Kinetin
c. GA
d. IBA
47. In guard cells when sugar is converted into starch, the stomatal pore
a. Closes completely b. Open partially
c. Open fully
d. Remains unchanged
48. Plasamembrane does not have carries molecules for
a. Active transport
b. Simple diffusion
c. Facilitated diffusion
d. Na+-K+ pump
49. Cell ‘A’ with OP=10 atm and TP=5 atm is in contact with cell ‘B’ having OP=15 atm amd TP=12 atm. The flow
of water will be
a. From A to B
b. From B to A
c. Equal flow
d. No flow
50. Plasmodesmata connection help in
a. Cytoplasmic Streaming
b. Synchronous mitotic division
c. Locomotion of unicellular organisms
d. movement of substances between cells
51. Nitrifying bacteria
a. Oxidize ammonia to nitrates
b. Convert free nitrogen to nitrogenous compound
c. Convert proteins to free nitrogen
d. Reduce nitrates to free nitrogen
52. Premature leaf fall occurs due to deficiency of
a. Calcium
b. Iron
c. Phosphorus
d. Sulphur
53. Most plant obtain their nitrogen from the soil in the form of
a. HNO3
b. Nitrate
c. Free Nitrogen Gas d. Nitrogen Oxide
54. Which enzyme becomes inert in contact with oxygen
a. Nitrogenase
b. Amylase
c. Nitrate reductase d. Nitrite reductase
55. Which of the following regularly enter into the Mitochondria?
a. Citric Acid
b. ATP
c. Pyruvic Acid
d. Glucose
56. Loss of ATP is glycolysis is
a. 0
b. 4
c. 2
d. 8
57. What causes R.Q to vary?
a. Respiratory product
b. Respiratory substrate
c. Temparature
d. Light and O2
58. In mitochondria, enzyme cytochrome oxidase is present in
a. Matrix
b. Inner Membrane
c. Outer Membrane d. None of these
59. Water soluble plant pigment is
a. Chlorophyll-a
b. Carotene
c. Xanthophyll
d. Anthocyanin
60. When a chlorophyll-a, Mg is replaced by hydrogen atoms, then it is called
a. Chlorophyll-b
b. Phacophytin-a
c. Pheophorbide-a
d. Pheoporphyrin-a
61. Maximum growth occurs in--a. Exponential Phase b. Lag Phase
c. Sencscent Phase d. Stationary Phase
62. Hormone responsible for ageing is
a. GA
b. IAA
c. ABA
d. Cytokinin
63. Antigibberellin is
a. Cycocel
b. Plastoquinone
c. IAA
d. Ubiquinone
64. In grafting scion refers to
a. Stem
b. Root
c. New plant
d. Hybrid plant
65. The water is not necessary for fertilization in
a. Pteridophytes
b. Bryophytes
c. Thallophytes
d. Spermatophytes
66. Amount of saliva secreted daily in human is
a. 100 ml
b. 250 ml
c. 500 ml
d.1000 ml
67. The digestive enzyme that is not found in human pancreatic juice is
a. Nucleotidase
b. Nuclease
c. Trypsin
d. Lipase
68. Acetyl CoA is produced from pyruvate by
a. Oxidative Phosphorespiration
b. Oxidative Decarboxylation
c. Oxidative Phosphorylation
d. Oxidative Hydrogenation
69. Rh factor is present in
a. All vertibrates
b. All Mammals
c. All Reptiles
d. Man & Rhesus Monkey
70. Seminal Plasma in human males is rich in
a. DNA & Testosterone
b. Ribose & Potassium
c. Glucose & Calcium
d. Fructose & Calcium
71. In which part of the nephron the absorption of filtrate is maximum?
a. Proximal convoluted tubule
b. Distal convoluted tubule
c. Glomerulus
d. Henle’s loop
72. The contractile protein of skeletal muscle involving ATPase activity is
a. Troponin
b. Tropomyoin
c. Myosin
d. α Actinin
73. Acetabulum occurs in
a. Pectoral girdle
b. Pelvic girdle
c. Vertebrae
d. Cranium
74. In the internal ear the “Organ of Corti” which bears hair cells is located in
a. Scala vestibuli
b. Scala media
c. Scala tympanic
d. Sacculus
75. Depolarization of a neuron involves
a. Influx of K+
b. Influx of Na+
c. Efflux of Na+
d. Influx of Ca2+ & Cl76. The vomiting centre is located at
a. Hypothalamus
b. Cerebellum
c. Medulla
d. Corpus Striatum
77. “Organ of Jacobson” helps in
a. Smell
b. Vision
c. Touch
d. Hear
78. Tetany is caused by decreased secretion of
a. Thymus
b. Adrenals
c. Thyroid
d. Para thyroid
79. Placenta is formed by
a. Hypoblast
b. Epiblast
c. Syncytotrophoblast
d. Cytotrophoblast
80. Genetic engineering is
a. Plastic surgery
b. Addition or removal of genes
c. Study of extra genes
d. All of these
Category II
Each of the following question has only one option correct
81. A plasmid
a. Lives together with chromosome
c. Can replicate independently
82. Herbicide resistant gene is
a. Ct
b. Mt
83.
b. Shows dependent assortment
d. Cannot replicate
c. Bt
d. GST
c. Growth Rate
d. All of these
= B represent
a. Mortality
b. Natality
84. Nitrogen fixation in root nodules of Alnus is brought about by
a. Clostridium
b. Frankia
c. Azorhizobium
85. Which one is not included under in-situ conservation
a. Sanctuary
b. Botanical Garden
c. National Park
86. Environmental Protection Act was passed in
a. 1968
b. 1986
c. 1981
87. A major site for synthesis of lipid is
a. Nucleoplasm
b. RER
c. SER
d. Brady rhizobium
d. Biosphere reserve
d. 1975
d. Symplast
88. The basic component of smog is
a. PAN
b. PBN
c. Ozone
d. All of these
89. Which of the following shows budding
a. Paramoecium
b. Hydra
c. Spirogyra
d. Amoeba
90. Egg aparatus consists of
a. Egg only
b. Egg & antipodal
c. Polar nuclei
d. Egg & synergids
91. Human chorionic gonadotrophin is secreted by
a. Amnion
b. Chorion
c. Placenta
d. Ovaries
92. Sertoli Cells secreted a hormone
a. Relaxin
b. Testosteron
c. Gonadotropin
d. None of these
93. The female sex organs of bryophytes are called
a. Ascogonia
b. Antheridia
c. Archegonia
d. Oogonia
94. Gymnosperms are called naked seed plants because they lack
a. Endosperm
b. Testa
c. Overy Wall
d. Cotyledons
95. Select the taxon mentioned that represents both marine and fresh water species
a. Cnidaria
b. Echinodermata
c. Ctenophora
d. Cephalochordata
96. Parental care is best seen in a fish called
a. Hippocampus
b. Anabas
c. Trygon
d. Torpedo
97. Lenticels involved in
a. Transportation
b. Gaseous exchange
c. Food transport
d. Photosynthesis
98. Closed vascular bundles lack
a. Pith
b. Cambium
c. Conjunctive tissue d. Ground tissue
99. Which of the following is known as tissue membrane?
a. Serous membrane b. Cutaneous membrane
c. Mucous membrane d. All
100. Which is syncytium in nature
a. Osteoclast
b. Osteoblast
c. Osteocyte
d. None of these
101. Chlorophyll molecules are located in the
a. Thylakoid membrane
b. Thylakoid Lumen
c. Stroma
d. Inner chloroplast membrane
102. Which one is connected with human evolution?
a. Binocular Vision b. Flat Nails
c. Loss of Tails
d. Shortening of jaws
103. Which has power to penetrate placenta?
a. Ig M
b. Ig D
c. Ig G
d. All
104. In gel electrophoresis, differential mobility of DNA depends upon
a. Helical nature of DNA
b. Double stranded nature of DNA
c. Charge and size of DNA
d. Hydrogen bonding between bases
105. Mycorrhiza is an example of
a. Parasitism
b. Symbiosys
c. Scavenging
d.Commensalism
Category III
Each of the following question has one or more than one option/s correct
106. Adipose tissue found in
a. Mammary glands b. Spleen
107. White fibrous tissue present in
a. Tendon
b. Tonsil
108. A non proteinaceous enzyme is
a. Lysozyme
b. Ribozyme
109. RNA polymerase III produce the following
a. mRNA
b. tRNA
c. Mesentry
d. Covering of nerves
c. Ligaments
d. Bone marrow
c. Ribonuclease-P
d. Lipase
c. 5SrRNA
d.28SrRNA
110. The most commonly used plasmid vectors are
a. PUC19
b. PSC101
c. PBR322
d. pLR5
111. On the basis of habitat the types of ecology are
a. Marine ecology
b. Autecology
c. Synecology
d. Terrestrial ecology
112. Which of the followings are the characteristics of phylum Annelida?
a. Pseudocoelom
b. Close circulatory system c. Segmentation
d. Ventral nerve cord
113. Which of the followings are properly matched regarding the cells of gastric glands and their functions
a. Mucous neck cells : Secrete Mucous
b. Peptic cell : Secrete pepsinogen
c. Porietal cell : Secrete castle’s intrinsic factor
d. Oxyntic cell : Secrete HCl
114. The cardiac output is determined by
a. Heart rate
b. Blood flow
c. Stroke volume
d. Blood pressure
115. Brain stem consists of
a. Pons
b. Medulla
c. Mid brain
d. Hippocampus
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