Question

Choose the correct answer to the following statements from the options given after each :
(i) Growth in plants is dependant on:
A. Cell division
B. Plant hormones
C. Cell elongation
D. All of the above.
(ii) The sound 'Lub' is produced in the heart when :
A. Tricuspid and Bicuspid valve closes B. Mitral valve opens
C. Semilunar valves close
D. Tricuspid valve closes.
(iii) Ciliary apparatus in the eye is a part of the :
A. Sclera
B. Retina
C. Choroid
D. Conjunctiva.
(iv) The blood vessel which supplies blood to the walls of the heart is :
A. Pulmonary Artery
B. Carotid Artery
C. Pulmonary vein
D. Coronary Artery.
(V) Which of the following is a growth inhibitor in plants :
A. Abscisic acid
B. Cytokinin
C. Auxin
D. Gibberellin​

Answer 1

Answer:

1)D

2)C

3)B

4)A

5)B

Explanation:

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