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1646. The internal secreation of .......... helps in digestion.
A. citric acid
B. sulphuric acid
C. acetic acid
D. hydrochloric acid
Explanation:
1647. In mammals, the sequence of bones from shoulder to finger tips is
A. Humerus, radius-ulna, carpals, metacarpals, phalanges
B. Humerus, metacarpals, carpals, radius-ulna, phalanges
C. Radius-ulna, humerus, metacarpals, carpals, phalanges
D. Humerus, radius-ulna, metacarpals, carpals, phalanges
Explanation:
1648. Temperature in human beings is controlled by
A. pituitary gland
B. adrenal gland
C. thyroid gland
D. hypothalamus gland
Explanation:
1649. During teh development of an embryo, the formation of brain marks the beginning of organ formation. Eye in a vertebrate develos from midbrain. If after the formation of brain, the mid brain is destroyed, then what will be the resultant effect ?
A. Total failure
B. Development of a single eye
C. Defective development of eyes
D. Absence of vision in the eyes
Explanation:
1650. Iron is present in the blood in the form of a
A. free salt
B. compound
C. mixture
D. complex
Explanation:
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