43. The function of abscisic acid in plant is to
A. break the dormancy of seeds.
B. hasten the ripening of fruits.
C. promote apical growth.
D. promote cell division.
E. promote root elongation.
44. The response of plant shoot to the stimulus of touch is called
A. chemotropism.
B. geotropism.
C. hydrotropism.
D. phototropism.
E. thigmotropism.
45. Caudal vertebra is located in the
A. abdomen.
B. chest.
C. hip.
D. neck.
E. tail.
46. After mastication, food is rolled and swallowed in the form of
A. bolus.
B. chyle
C. chyme.
D. mucus.
E. saliva.
Answer (2)
Abscisic Acid functions primarily in stress management rather than promoting growth or ripening. The response of plants to touch is called thigmotropism. Caudal vertebrae are located in the tail, and after chewing, food becomes a bolus before digestion. ;
Abscisic acid primarily helps plants manage stress by regulating water loss. The response of plants to touch is known as thigmotropism, and caudal vertebrae are located in the tail. After chewing, food forms a bolus before it is swallowed.
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