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51. As compared to covalent bond, the strength of hydrogen bond is
A. 1%
B. 10%
C. 20%
D. 50%
Explanation:
52. Living and nonliving objects of nature
A. Have similar materials
B. Obey same physic-chemical laws
C. Both A and B
D. Have same materials but obey different physic-chemical and biochemical laws
Explanation:
53. Common respiratory substrate of living beings is
A. Starch
B. Glycogen
C. Sucrose
D. Glucose
Explanation:
54. Which one is body lubricant
A. Pectin
B. Amino acids
C. Cutin
D. Water
Explanation:
55. Triglycerides are
A. Prostaglandins
B. Steroids
C. Terpenes
D. Neutral fats
Explanation:
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