MCQ Questions | Class 10 Science Chapter 7 | Control and Coordination with Answers

MCQ | Class 10 Science Chapter 7 | Control and Coordination Set A

Check the below NCERT MCQ Questions for Class 10 Science Chapter 7 Control and Coordination with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Control and Coordination Class 10 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | Science Class 10 Chapter 7

NCERT Solutions Class 10 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	10th
Subject:	Science
Chapter:	7
Chapters Name:	Control and Coordination
Medium:	English

Class 10th Science Book | Objective Type Questions

You can refer to NCERT Solutions for Class 10 Science Chapter 7 Control and Coordination to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Control and Coordination | Class 10 Science | NCERT Solutions

Q1.	Assertion: Brain is a delicate organ which is protected from injury. Reason: The bony box protects the brain from any shock.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: A is true but R is false.

Q2.	Assertion: Reflex Arc works faster than thinking process of brain. Reason: Reflex Arc works in case of those animals who donot have thinking process.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: A is true but R is false.

Q3.	Which of the following acts as both endocrine and exocrine glands?
	A. Adrenal
	B. Pituitary
	C. Ovaries
	D. Pancreas

Ans: Pancreas

Q4.	Which of the following is not associated with growth of plant?
	A. Auxin
	B. Gibberellins
	C. Cytokinins
	D. Abscisic acid

Ans: Abscisic acid

Q5.	Which hormone regulates the ionic balance in the body?
	A. Glucagon
	B. Thyroxine
	C. Testosterone
	D. Vasopressin

Ans: Vasopressin

Q6.	The main effect of cytokinin in plants is to
	A. improve the quality of fruits
	B. prevent the growth of lateral buds
	C. regulate opening and closing of stomata
	D. stimulate cell division

Ans: stimulate cell division

Q7.	Reflex actions are mediated through
	A. brain
	B. effectors
	C. spinal cord
	D. receptors

Ans: spinal cord

Q8.	How many pairs of cranial nerves are present in man?
	A. 12
	B. 21
	C. 31
	D. 41

Ans: 12

Q9.	Any change in the environment to which an organism responds is called
	A. stimulus
	B. coordination
	C. response
	D. hormone

Ans: stimulus

Q10.	The highest coordinating centre in the human body is
	A. spinal cord
	B. heart
	C. brain
	D. kidney

Ans: brain

Q11.	Which of the following is a plant hormone?
	A. Insulin
	B. Thyroxin
	C. Oestrogen
	D. Cytokinins

Ans: Cytokinins

Q12.	Which part of nervous system controls the reflex activities of the body?
	A. Brain
	B. Spinal cord
	C. Cerebrum
	D. Cerebellum

Ans: Spinal cord

Q13.	A part of the body which responds to the in-structions sent from nervous system is called
	A. receptor
	B. effector
	C. nerves
	D. muscles

Ans: effector

Q14.	The substance that result into the fall of mature leave and fruits from plants is due to :
	A. auxin
	B. gibberllin
	C. ABA
	D. cytokinin

Ans: gibberllin

Q15.	Which nerves transmit impulses from the cen¬tral nervous system towards muscle cells?
	A. Sensory nerves
	B. Motor nerves
	C. Relay nerves
	D. Cranial nerves

Ans: Motor nerves

Q16.	Breathing is controlled by which part of the brain?
	A. Cerebrum
	B. Cerebellum
	C. Hypothalamus
	D. Medulla oblongata

Ans: Medulla oblongata

Q17.	Which of the following acts as both endocrine and exocrine gland?
	A. Pancreas
	B. Thyroid
	C. Adrenal
	D. Liver

Ans: Pancreas

Q18.	The main function of abscisic acid in plants is
	A. to promote cell division.
	B. to inhibit growth.
	C. to promote growth of stem.
	D. to increase the length of cells.