Quiz of Chapter 7 Control and Coordination Online Test Class 10th Science

Questions:
1. Which of the following is a plant hormone?
(a) Insulin
(b) Thyroxin
(c) Estrogen
(d) Cytokinin

2. Light is
(a) Stimulus
(b) Object
(c) Reflex
(d) Action

3. Example of phototropism is
(a) Movement of roots towards soil
(b) Bending of shoot tip towards light source
(c) Drooping of leaves of Mimosa on touching
(d) All of these are correct

4. Adrenal glands are located on
(a) Kidneys
(b) Heart
(c) Lungs
(d) Ovary

5. Human males lack
(a) Pancreas
(b) Thyroid
(c) Pineal
(d) Ovary

6. Auxin is a
(a) Phytohormone
(b) Promotor of growth
(c) Growth regulator
(d) All of these

7. Oxytocin is secreted by:
(a) Anterior pituitary
(b) Posterior pituitary
(c) Middle lobe of pituitary
(d) Hypothalamus

8. Control of various activities in living beings is done by
(a) Chemicals
(b) Nerves
(c) Chemicals and nerves
(d) None of these

9. The number of spinal nerves in man is:
(a) 10 pairs
(b) 12 pairs
(c) 21 pairs
(d) 31 pairs

10. Gibberellins promote:
(a) Cell division
(b) Cell elongation
(c) Growth of the stem
(d) All of these