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
Chapter - 7 Control and Coordination Quiz - 2 Class 10th
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Question 1 of 10
1. Question
Which of the following is a plant hormone?
Correct
Cytokinins are plant hormones that cause increased cell division by stimulating the process of mitosis.
Incorrect
Cytokinins are plant hormones that cause increased cell division by stimulating the process of mitosis.
-
Question 2 of 10
2. Question
Light is
Correct
Light is stimulus to which one reacts.
Incorrect
Light is stimulus to which one reacts.
-
Question 3 of 10
3. Question
Example of phototropism is
Correct
Phototropism means attraction towards light. Thus, bending of shoot tip towards light source is an example of phototropism.
Incorrect
Phototropism means attraction towards light. Thus, bending of shoot tip towards light source is an example of phototropism.
-
Question 4 of 10
4. Question
Adrenal glands are located on
Correct
The adrenal glands are small glands located on top of each kidney.
Incorrect
The adrenal glands are small glands located on top of each kidney.
-
Question 5 of 10
5. Question
Human males lack
Correct
Ovary produces eggs for fertilisation which is present in female human body not in male.
Incorrect
Ovary produces eggs for fertilisation which is present in female human body not in male.
-
Question 6 of 10
6. Question
Auxin is a
Correct
Auxin is a plant hormone produced in the stem tip that promotes cell elongation, tem elongation and inhibit growth of lateral buds.
Incorrect
Auxin is a plant hormone produced in the stem tip that promotes cell elongation, tem elongation and inhibit growth of lateral buds.
-
Question 7 of 10
7. Question
Oxytocin is secreted by:
Correct
Oxytocin is produced in the hypothalamus and is secreted into the bloodstream by the pituitary gland.
Incorrect
Oxytocin is produced in the hypothalamus and is secreted into the bloodstream by the pituitary gland.
-
Question 8 of 10
8. Question
Control of various activities in living beings is done by
Correct
Chemical and nervous system are two main functions which help in the control and coordination of living being.
Incorrect
Chemical and nervous system are two main functions which help in the control and coordination of living being.
-
Question 9 of 10
9. Question
The number of spinal nerves in man is:
Correct
Incorrect
-
Question 10 of 10
10. Question
Gibberellins promote:
Correct
Gibberellins are plant hormones that regulate growth of stem.
Incorrect
Gibberellins are plant hormones that regulate growth of stem.