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

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

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.	Which plant hormone promotes dormancy in seeds and buds?
	A. Auxin
	B. Gibberellin
	C. Cytokinin
	D. Abscisic acid

Ans: Abscisic acid

Q2.	Roots of plants are:
	A. positively geotropic
	B. negatively geotropic
	C. positively phototropic
	D. None of these

Ans: positively geotropic

Q3.	Assertion: Plants do have a nervous system for control and coordination. Reason: Plants use electro chemical means to convey information from cell to cell.
	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 false but R is true.

Q4.	Assertion: On attaining puberty, breast size increases and reproductive organs develop in females. Reason: Ovaries release hormone proges-terone in female.
	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: Both A and R are true but R is not the correct explanation of A.

Q5.	Assertion: Impulse travels from dendrite to cell body and then along the axon to its end. Reason: Information acquired at the end of the dendrite tip of a nerve cell sets of an electric impulse.
	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: Both A and R are true and R is the correct explanation of A.

Q6.	Which of the following is not a ductless gland?
	A. Adrenal
	B. Liver
	C. Thyroid
	D. Pituitary

Ans: Liver

Q7.	Which endocrine gland is also known as ‘master gland’?
	A. Pancreas
	B. Adrenal
	C. Pituitary
	D. Hypothalamus

Ans: Pituitary

Q8.	Ageing in human beings is caused by disappearance of which of the following glands?
	A. Adrenal
	B. Pituitary
	C. Thyroid
	D. Thymus

Ans: Thymus

Q9.	Which statement is incorrect about auxins?
	A. They promote the growth of root
	B. They promote the growth of shoot
	C. They influence the formation of flower and ripening of fruit
	D. They inhibit the growth of root

Ans: They promote the growth of root

Q10.	The hormone that is used to keep flowers fresh is
	A. cytokinin
	B. gibberellins
	C. auxin
	D. abscisic acid

Ans: cytokinin

Q11.	Which of the following tissues provide control and coordination in animals?
	A. Nervous and Skeletal
	B. Muscular and Skeletal
	C. Muscular and Transport
	D. Nervous and Muscular

Ans: Nervous and Muscular

Q12.	The longest fibre on the cell body of a neuron is called
	A. sheath
	B. cytoplasm
	C. axon
	D. dendrites

Ans: axon

Q13.	Posture and balance of the body is controlled by
	A. Pons
	B. Medulla oblongata
	C. Cerebellum
	D. Cerebrum

Ans: Cerebellum

Q14.	Select the mismatched pair
	A. Adrenaline – Pituitary gland
	B. Testosterone – Testes
	C. Estrogen – Ovary
	D. Thyroxin – Thyroid gland.

Ans: Adrenaline – Pituitary gland

Q15.	Identify which of the following statements about thyroxin is incorrect?
	A. Thyroid gland requires iodine to synthesize thyroxin.
	B. Thyroxin is also called thyroid hormone.
	C. It regulates protein, carbohydrates and fat metabolism in the body.
	D. Iron is essential for the synthesis of thyroxin.