CBSE Class 10 Science Chapter 7 Control And Coordination Multiple Choice Questions with Answers. MCQ Class 10 Science Control And Coordination with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Control And Coordination MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 2
Question 1:
Which of the following is not associated with growth of plant?
(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid
Correct Answer – (D)
Question 2 :
The movement of shoot towards light is
(a) geotropism
(b) hydrotropism
(c) chemotropism
(d) phototropism
Correct Answer – (D)
Question 3 :
Posture and balance of the body is controlled by
(a) cerebrum
(b) cerebellum
(c) medulla
(d) pons
Correct Answer – (B)
Question 4 :
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)
Correct Answer – (C)
Question 5 :
In a neuron, conversion of electrical signal to a chemical signal occurs at/in
(a) cell body
(b) axonal end
(c) dendritic end
(d) axon
Correct Answer – (B)
Question 6 :
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
Correct Answer – (C)
Question 7 :
Spinal cord originates from
(a) cerebrum
(b) medulla
(c) pons
(d) cerebellum
Correct Answer – (B)
Question 8 :
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)
Correct Answer – (C)
Question 9 :
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
Correct Answer – (D)
Question 10 :
In a synapse, chemical signal is transmitted from
(a) dendritic end of one neuron to axonal end of another neuron
(b) axon to cell body of the same neuron
(c) cell body to axonal end of the same neuron
(d) axonal end of one neuron to dendritic end of another neuron
Correct Answer – (D)
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