MCQs for Class 10 Science Book Chapter 7 “Control and Coordination”

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.

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.
(e) Both A and R are 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.

Q3. Which of the following acts as both endocrine and exocrine glands?

(a) Adrenal
(b) Pituitary
(c) Ovaries
(d) Pancreas

(d) Pancreas

Q4. Which of the following is not associated with growth of plant?

(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid

(d) Abscisic acid

Q5. Which hormone regulates the ionic balance in the body?

(a) Glucagon
(b) Thyroxine
(c) Testosterone
(d) Vasopressin

(d) Vasopressin

Q6. The longest fibre on the cell body of a neuron is called

(a) sheath
(b) cytoplasm
(c) axon
(d) dendrites

Q7. 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

(b) Motor nerves

Q8. A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called

(a) neurotransmitter
(b) dendrites
(c) axon
(d) synapse

(d) synapse

Q9. Which is the correct sequence of the components of a reflex arc?

(a) Receptors ? Muscles ? Sensory neuron ? Motor neuron ? Spinal cord
(b) Receptors ? Motor neuron ? Spinal cord ? Sensory neuron ? Muscle
(c) Receptors ? Spinal cord ? Sensory neuron ? Motor neuron ? Muscle
(d) Receptors ? Sensory neuron ? Spinal cord ? Motor neuron ? Muscle

(d) Receptors ? Sensory neuron ? Spinal cord ? Motor neuron ? Muscle

Q10. Which of the following statements are true?

(i) Sudden action in response to something in the environment is called reflex action
(ii) Sensory neurons carry signals from spinal cord to muscles
(iii) Motor neurons carry signals from receptors to spinal cord
(iv) The path through which signals are transmitted from a receptor to a muscle or a gland is called reflex arc

(a) (i) and (ii)
(b) (i) and (iii)
(c) (i) and (iv)
(d) (i), (ii) and (iii)

Q11. Which of the following statements are true about the brain?
(i) The main thinking part of the brain is hind brain.
(ii) Centres of hearing, smell, memory, sight, etc. are located in fore brain.
(iii) Involuntary actions like salivation, vomiting, blood pressure are controlled by the medulla in the hind brain.
(iv) Cerebellum does not control posture and balance of the body.

(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii) and (iii)
(d) (iii) and (iv)

Q12. Posture and balance of the body is controlled by

(a) cerebrum
(b) cerebellum
(c) medulla
(d) pons

(b) cerebellum

Q13. Spinal cord originates from

(a) cerebrum
(b) medulla
(c) pons
(d) cerebellum

(b) medulla

Q14. The movement of shoot towards light is

(a) geotropism
(b) hydrotropism
(c) chemotropism
(d) phototropism

(d) phototropism

Q15. The main function of abscisic acid in plants is to

(a) increase the length of cells
(b) promote cell division
(c) inhibit growth
(d) promote growth of stem

Q16. Which of the following is not associated with growth of plant?

(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid

(d) Abscisic acid

Q17. Cartisons are secreted by:

(a) pancreatic gland
(b) adrenal gland
(c) thyroid gland
(d) pituitary gland

(b) adrenal gland

Q18. Female sex hormone is:

(a) estrogen
(b) androgen
(c) insulin
(d) adrenalin

(a) estrogen

Q19. Insulin is secreted by:

(a) stomach
(b) liver
(c) pancreas
(d) kidney

Q20. In case of emergency which structure becomes very active:

(a) adrenal medulla
(b) adrenal cortex
(c) thyroid gland
(d) pancreas

(a) adrenal medulla

Use the above-provided NCERT MCQ Questions for Class 10 Science with Answers Pdf free download. We hope the given NCERT MCQ Questions for Class 10 Science PDF Free Download will definitely yield fruitful results. If you have any queries regarding The CBSE Class 10 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Q1. Assertion: Brain is a delicate organ which is protected from injury.Reason: The bony box protects the brain from any shock.

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.