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Which of the Following Are Cerebral Reflexes? (I) a Person Pulls Away His Hand on Touching a Hot Object (Ii) a Person Spits Out Immediately When a Fly Enters His Mouth While Talking (Iii) a Person Walking Bare Foot Lifts His Foot at Once on Stepping on to a Nail (Iv) a Person'S Pupil Contracts at Once in the Presence of Bright Light (A) (I) and (Ii) (B) (Ii) and (Iii) (C) (Iii) and (Iv) (D) (Ii) and (Iv)

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Question

Which of the following are cerebral reflexes?
(i) a person pulls away his hand on touching a hot object
(ii) a person spits out immediately when a fly enters his mouth while talking
(iii) A person walking bare foot lifts his foot at once on stepping on to a nail
(iv) A person's pupil contracts at once in the presence of bright light
(a) (i) and (ii)  (b) (ii) and (iii)  (c) (iii) and (iv)  (d) (ii) and (iv)

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Solution

(d) (ii) and (iv)
Cerebral reflexes are those reflex actions which involve the brain. They occur in the organs present in the head as these organs are directly connected to the brain.

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Chapter 2: Control and Coordination - Exercise 2 [Page 117]

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Lakhmir Singh Biology Part 3 [English] Class 10
Chapter 2 Control and Coordination
Exercise 2 | Q 65 | Page 117

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