Control and Coordination MCQ Questions Class 10 Science Chapter 7

Control and Coordination MCQ Questions Class 10 Science Chapter 7

NCERT MCQ Questions for Class 10 Science Chapter 7 Control and Coordination. Control and Coordination MCQ Questions with Answers from Class 10 Science.

Control and Coordination MCQ Questions Class 10 Science Chapter 7

Control and Coordination Multiple Choice Questions with Answers Class 10 Science Chapter 7 PDF is available.

1) Which are the major hormones from the following options?

a) Auxin

b) Cytokinin

c) Gibberellin

d) All of these

Ans. d)

Explanation: The five major types of plant hormones are auxin, cytokinin, gibberellin, ethylene and abscisic acid.

2) _____ hormone helps in breaking the dormancy.

a) auxin

b) ethylene

c) cytokinin

d) abscisic acid

Ans. a)

Explanation: The function of auxin is to help break dormancy.

3) Full form of IAA is___

a) Indole abscisic acid.

b) Indole Acetic acid.

c) Induced Acetic acid.

d) Induce auxin acid.

Ans. b)

Explanation: For the synthesis of auxin tryptophan is required which is Indole acetic acid.

4) Which among the following is a gaseous hormone?

a) Ethylene

b) abscisic acid

c) gibberellin

d) cytokinin

Ans. a) Ethylene is also called gaseous hormone.

5) The stress hormone is ____.

a) Ethylene

b) gibberellin

c) cytokinin

d) ABA

Ans. d)

Explanation: ABA can be synthesized in all the cells and is also called as stress hormone.

6) The movement of plants in response to touch is called ___.

a) Gravitropism

b) Phototropism

c) Hydrotropism

d) Thigmotropism.

Ans. d)

Explanation: Thigmotropism is defined as movement of plants in response to touch.

7) The Mimosa pudica plant is an example of which type of tropic movement.

a) negative gravitropism b) positive phototropism c) thigmotropism d) none of these

Ans. c) The leaves of this plant will close itself when touch by an external stimulus.

8) Flowers growing in the direction of sunlight shows    ____ movement.

a) Epinasty

b) Hyponasty

c) Photonastic

d) seismonastic

Ans. c) Photo nastic

Explanation: Photonastic is the movement of plant or its parts to grow in response to sunlight.

9) The term used to denote the leaves which bend in upward direction.

a) Epinasty

b) hyponasty

c) both a and b

d) none of these

Ans. b)

Explanation: Hyponasty means the leaves which bend in upward direction.

10) Which is not a part of the peripheral nervous system?

a) brain

b) cranial nerves

c) spinal nerves

d) both b and c

Ans. a)

Explanation: Peripheral nervous system is composed of spinal nerves, cranial nerves and peripheral nerves.

11) ____ is the outermost layer of the brain.

a) arachnoid matter

b) dura matter

c) pia matter

d) none of these

Ans. b) Dura matter is the outermost layer of the brain and is also called as the tough mother.

12) Hindbrain is made up of __

a) pones

b) medulla

c) cerebellum

d) all of these

Ans. d)

Explanation: The hindbrain is made up of  three parts such as pones, medulla and cerebellum.

 

In case you are missed :- Previous Chapter MCQ Questions

 

13) Cerebrum constitutes _____ % of brain.

a) 82

b) 85

c) 76

d) 80

Ans. b)

Explanation: Cerebrum is made up of different kinds of lobes and it constitutes 85 % of brain.

14) _____ lobe is responsible for vision.

a) frontal lobe

b) both a and d

c) occipital lobe

d) temporal lobe

Ans. c)

Explanation: Occipital lobe is responsible for the vision.

15) The function of CSF is

a) as shock absorber from mechanical injury

b) sending signals to the muscles

c) for maintaining short term memory

d) for pain sensation

Ans. a)

Explanation: Cerebral spinal fluid is the circulating fluid around the brain which acts as a shock absorber during mechanical injuries.

16) Choose the odd man out from the following options:

a) dura matter

b) arachnoid matter

c) pia matter

d) medulla

Ans. d) medulla

Explanation: The medulla is a part of hindbrain whereas the other three options are the parts of forebrain.

17) Which is not a steroid hormone from the following

a) insulin

b) estrogen

c) progesterone

d) testesterone

Ans. a)

Explanation: Insulin is a protein hormone

18) Posterior pituitary gland releases

a) ADH

b) Oxytocin

c) both a and B

d) insulin

Ans. c)

Explanation: Posterior pituitary gland releases two hormones ADH and oxytocin.

19) _____ hormone is released in woman at the time of birth, for the contraction of uterus.

a) ADH

b) progesterone

c) oxytocin

d) all of these

Ans. c)

Explanation: Posterior pituitary gland releases oxytocin in woman at the time of birth for contraction of uterus.

20) ___ hormone is responsible for maintaining the water concentration in the body.

a) AAA

b) ACH

c) IAA

d) ADH

Ans. d)

Explanation: ADH released by posterior pituitary gland helps in maintain the water concentration in the body.

21) The hormones released by anterior pituitary glans

a) FSH

b) GH

c) ACTH

d) all of these

Ans. d)

Explanation: FSH, GH and ACTH are the hormones released by anterior pituitary glands.

22) The hormone responsible for production of milk in lactating mothers.

a) GH

b) prolactin

c) FSH

d) none of these

Ans. b)

Explanation: Prolactin helps in stimulation of for the production of milk in  lactating mothers.

23) __ gland is present on the upper side of the kidney.

a) adrenal

b) pituitary

c) anterior pituitary

d) both b and c

Ans. a

Explanation: The adrenal gland is present on the upper side of the kidney which releases ACTH hormone.

24) Choose the odd man out

a) Pones

b) medulla

c) cerebellum

d) dura matter

Ans. d)

Explanation: Dura matter is the part of forebrain whereas the other three options are part of hind brain.

25) The functional unit of nervous system is ___

a) spinal cord

b) brain

c) skin

d) nerves

Ans. d

Explanation: The functional unit of nervous system is nerves also known as neurons.

In case you are missed :- Next Chapter MCQ Questions

Updated: April 11, 2023 — 4:58 pm

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