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41. Organismic biology is related to the study of
A. Tissues
B. Organs
C. Organ systems
D. All the above
Explanation:
42. Polar covalent bonds occur in
A. Oxygen
B. Hydrogen
C. Nitrogen
D. Water
Explanation:
43. Iodine is a component of
A. Nitrate reductase
B. Hormone thyroxine
C. Hormone TSH
D. Nitrogenase
Explanation:
44. The ionic compound with salt crystals is
A. Glucose
B. Sucrose
C. Sodium chloride
D. Water
Explanation:
45. Saline drip is given to patients suffering from
A. Dehydration
B. Low blood pressure
C. Weakness
D. Both A and B
Explanation: