FCI Technical Grade III Biological Sciences Exam Paper

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[Kiran Chandar]

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51. Nyctalopia is caused due to the defficiency of vitamin
a) A
b) C
c) D
d) E
Nyctalopia also called Night blindness is caused by defficiency of vitamin A.
52. Gout is characterised by the accumulation of
a) Urea
b) Ammonia
c) Uric acid
d) Ornithine
Gout is a metabolic disease characterized by the accumulation of excessive uric acid in the blood.
53. Number of pollar bodies produced after first meiotic division during oogensis is
a) 1
b) 2
c) 3
d) 4
54. Centrolecithal eggss are found in
a) Fishes
b) Mammals
c) Insects
d) Reptiles
55. The Indian scientist who received the Nobel Prize for having synthesised ‘Polyribonuleotides’ is
a) Marshall Warren Nirenberg
b) Venktaraman Ramakrishanan
c) Amrtya Sen
d) Har Gobind Khorana
The Nobel Prize in Physiology or Medicine 1968 was awarded jointly to Robert W. Holley (USA),
Har Gobind Khorana (India) and Marshall W. Nirenberg (USA) “for their interpretation of the genetic code
and its function in protein synthesis”.
56. Baldness in man is an example for _____________ genes.
a) Sex-influenced
b) Sex – limited
c) X – Linked
d) Z – Linked
57. Polymorphism may be developed by ___________ selection.
a) Natural
b) Directional
c) Stablizing
d) Disruptive
58. Assertion (A) : Sodium ions move slower than glucose molecule across the plasma memberane.
Reason (R) : Plasma membrane contains protien.
a) Both A nd R are true but R is not the correct reason for A
b) Both A and R true, and R is the correct reason for A
c) A is true, but R is false
d) A is false, but R is true
59. The niche of a population is the
a) place where it lives
b) geographical area it covers
c) set of conditions and resources it uses
d) set of interactions it has with other populations
60. The science of improving the hereditary qyualities of human species of future generation is called
a) Genetics
b) Euthenics
c) Epigenesis
d) Eugenics
61. The defficiency of _______________ vitamin causes beri-beri.
a) Riboflavin
b) Niacin
c) Pantothenic acid
d) Thiamine
62. The synthesis of prothrombin by the liver cells is stimulated by
a) Vitamin A
b) Vitamin K
c) Vitamin E
d) Vitamin D
63. Which one of the following minerals is essential for blood coagulation?
a) Calcium
b) Phosphorus
c) Magnesium
d) Sodium
64. Limulus is an example of a living fossil that belongs to
a) Onychophora
b) Arachnida
c) Mollusca
d) Ratitae
65. First recombinant vaccine is availalble for
a) HIV
b) Small pox
c) Hepatitis B
d) Polio
66. Polio is spread through
a) Mosquito
b) Water contamination
c) Air contamination
d) Direct contact
Polio is air-borne, spread through the respiratory system.
67. Which of the following is not correct about the size of the organisms?
a) Viruses - 0.07 - 0.10 m
b) Amoeba - 8.00 - 15.0 m
c) Bacteria - 0.5 - 2.50 m
d) Euglena - 100 m - 200 m
Bacteria : 0.20 - 2.50 m
68. Acetylcholine is secreted by
a) Endothelial cells
b) Nerve cells
c) Brunner’s gland
d) Pancreatic exocerine cells
69. The term chromosome was coined by
a) W. Flemming
b) W. Waldeyer
c) Richard Altman
d) Seymour Bezer
70. In which stage does the reduction in chromosome number take place during meiosis?
a) Prophase – I
b) Anaphase – I
c) Metaphase – I
d) Metaphase – II
71. A cross between an F1 hybrid and any one of the parentsw from which it is derived is
a) Monohybrid cross
b) Dihybrid cross
c) Back cross
d) Test cross
72. a - Thalassaemia major is
a) inability to synthesize adult haemoglobin
b) premature red blood cell destruction
c) haemoglobin and shortening of red blood cell life span
d) no functional and separate delta and b - globin chain genes
73. Crossing over brings
a) cytoplasmic reorganization
b) recombination of genes
c) complete linkage
d) no significant change
74. Somatic hybrids are produced by
a) protoplasmic fusion
b) tissue culture
c) pollen culture
d) hybridoma process
75. ____________ enzyme catalyses the removal of hydrogen from one substrate and passes
it on to a second substrate.
a) Oxidase
b) Dehydrogenase
c) Oxygenase
d) Hydrolases
76.Wilson’s disease is due to the defficiency of
a) Cobalt
b) Iodine
c) Copper
d) Fluorine
77. Daily requirement of vitamin B1 is ________ mg.
a) 1-5 to 2.0
b) 0.5 to 1.0
c) 3 to 5
d) 1 to 2
8. These enzymes exist in two or more forms which have the same function, but they differ
physically and chemically
a) Apoenzymes
b) Multienzymes
c) Exoenzymes
d) Isoenzymes
79. Choose the wrong pair.
a) Flame cells - Platyhelminthes
b) Nephridium - Amphioxus
c) Malpighian tubules - Insects
d) Green glands - Crustacea
80. Egg with miniral yolk evenly distributed is called as
a) Isolecithal
b) Telolecithal
c) Alecithal
d) Centrolecithal
81. Hydrochloric acid in the stomach is secreted by
a) Argentaffin cells
b) Peptic cells
c) Mucous neck cells
d) Oxyntic cells
Parietal cells (also called oxyntic cells) are the stomach epithelium cells which secrete gastric acid (hydrochloric acid).
82. Enzyme sucrose converts sucrose into
a) Glucose + Fructose
b) Glucose + Glucose
c) Glucose + Galactose
d) Glucose + Maltose
83. If the centromere divides the chromosome into two qnequal arms, it is termed as
a) Telocentric
b) Acrocentric
c) Submetacentric
d) Metacentric
84. __________ is an autoimmune disease.
a) Glomerulonephritis
b) Meningitis
c) Rheumatoid arthritis
d) Hepatitis
85. Development of gut is called as
a) Neurogenesis
b) Notogenesis
c) Mesogenesis
d) Enterogenesis