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1031. Which of the following structures are commonly present in animal cells and not in plant cells ? 1. Mitochondria2. Lysosomes3. Ribosomes4. Centrosomes
A. 1 and 3
B. 2 and 4
C. 1, 2 and 3
D. 2, 3 and 4
Explanation:
1032. From the biological evolutionary point of view, the human heart is close to the heart of :
A. cow
B. monkey
C. pig
D. rabbit
Explanation:
1033. The yellow colour of urine is due to the presence of :
A. bile
B. lymph
C. cholestrol
D. urochrome
Explanation:
1034. A hormone : 1. passes directly into the bloodstream2. is catalytic in nature3. is manufactured in the endorcrine glands4. is always a protein
A. 1 and 2 are true
B. 1, 2 and 3 are true
C. 1 and 3 are true
D. 1, 3 and 4 are true
Explanation:
1035. Which gas is used for preparation of soda water ?
A. Ammonia
B. Carbon dioxide
C. Hydrogen
D. Nitric oxide
Explanation:
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