Karnatak University 2007 Science - Question Paper

Ans :
52. The animal group with dry skin and horny scales is
(A) amphibia
(B) reptiles
(C) birds
(D) mammals.
Ans :
53. The egg laying mammal among the subsequent is
(A) Platypus (B) Bat
(C) Giraffe (D) Kangaroo.
Ans :
54. The pigment which provide red colour to polysiphonia is
(A) Phycocyanin
(B) Chlorophyll
(C) Xanthophyll
(D) Phycoerythrin.
Ans :
55. Diaphragm is a muscular membrane that separates which of the subsequent from every
other ?
(A) Heart and Lungs
(B) Stomach and Urinary bladder
(C) Thoracic and Abdominal cavities
(D) Stomach and Liver.
Ans :
56. From the functional point of view the white blood cells may be compared to
(A) an army (B) scavengers
(C) distributors (D) messengers.
Ans :
57. The tissue that consists of fat cells which also provides protection to a few organs is
(A) adipose tissu (B) areolar tissue
(C) muscular tissue (D) nervous tissue.
Ans :
58. Xylem tissue is associated with
(A) Conduction of water
(B) Transpiration of water
(C) Absorption of water
(D) Storage of water.
Ans :
59. The part of the brain which is responsible for the maintenance of the equilibrium of
the body is
(A) Pons
(B) Cerebellum
(C) Medulla oblongata
(D) Cerebrum.
Ans :
25 83-E
( SPACE FOR ROUGH WORK )
26100 [ Turn over
60. The endocrine gland which is current on the upper surface of the kidney is
(A) Thyroid gland
(B) Parathyroid gland
(C) Pituitary gland
(D) Adrenal gland.
Ans :
61. The abnormality that occurs in newborn babies due to hypothyroidism is
(A) myxoedema
(B) acromegaly
(C) simple goitre
(D) cretinism.
Ans :
62. The incubation period of HIV in children is
(A) 10 to 12 months
(B) 12 to 14 months
(C) 16 to 22 months
(D) 18 to 24 months.
Ans :
63. ELISA test helps to detect
(A) HIV
(B) Diabetes
(C) Hepatitis-B
(D) Glaucoma.
Ans :
64. When the skin, sclera and urine turn yellow in colour, it shows
(A) Liver Cancer
(B) Cirrhosis
(C) AIDS
(D) Jaundice.
Ans :
65. As an adulterant, argemone oil causes
(A) Laziness
(B) Body pain
(C) Dropsy
(D) Giddiness.
Ans :
66. Metanil yellow is used as an adulterant to brighten the colour of
(A) Pulse
(B) Jowar
(C) Fruit
(D) Bakery product.
Ans :
67. When the lactometer is made to float in unadulterated milk, it indicates the studying of
(A) 1·016
(B) 1·026
(C) 1·036
(D) 1·046.
Ans :
68. Drosera traps and digests insects in order to get the compounds of
(A) Sulphur
(B) Phosphorus
(C) Nitrogen
(D) Carbon.
Ans :
69. The pollution that can be controlled by the use of unleaded petrol is
(A) water pollution
(B) thermal pollution
(C) air pollution
(D) radioactive pollution.
Ans :
70. Oxygen transportation in the blood is affected due to the addition of
(A) Carbon monoxide with haemoglobin
(B) Oxygen with haemoglobin
(C) Nitrogen with haemoglobin
(D) Carbon dioxide with white blood cells.
Ans :
71. The accurate sequence of carbon cycle is
(A) Photosynthesis, Nutrition, Respiration and Decomposition
(B) Nutrition, Respiration, Decomposition and Photosynthesis
(C) Respiration, Decomposition, Photosynthesis and Nutrition
(D) Decomposition, Photosynthesis, Nutrition and Respiration.
Ans :
PART - D
Instructions : i) ans the subsequent ques..
ii) Write the answers in brief according to the ques..
72. Write any 2 differences ranging from monocot and dicot plants. 2
73. a) What is the organ of corti ?
b) Name the liquids that are current in the inner ear. 2
74. Draw a sketch of collenchyma tissue and tag its parts. 2
75. Mention any 2 applications of tissue culture. 2
76. A farmer applied enriched rhizobium to his paddy field and got good yield.
provide scientific cause. 2
77. Draw a neat diagram of vertical part of human brain and tag the subsequent parts.
4
a) Cerebrum b) Pons
c) Cerebellum d) Thalamus.

Earning:   Approval pending.