Questions

[1 Mark Question Answer]

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6 questions · timed · auto-graded

Question 21 Mark
Name the three major divisions of the human nervous system.
Answer
$1.$ The central nervous system $($brain and spinal cord$)$
$2.$ The peripheral nervous system
$3.$ The autonomic nervous system
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Question 31 Mark
Write one word in the space provided to complete the second pair of the related words pertaining to nervous system.
Memory : cerebrum $: :$ breathing :
Balance : cerebellum $: :$ reasoning :
Answer
Memory : cerebrum $: :$ breathing: medulla oblongata
Balance : cerebellum $: :$ reasoning : cerebrum
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Question 41 Mark
Given below is the diagram of a neuron. Name the parts numbered $1-5.$
Answer
$1.$ Dendrite
$2.$ Nucleus
$3.$ Cell Body $($Nyton$)$
$4.$ Axon $($Nerve fibre$)$
$5.$ Axon Terminal
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Question 51 Mark
Your are driving your bicycle at a fast speed. Suddenly, a small boy comes in front of your cycle and, without wasting any time in thinking, you immediately apply the brakes and accident is avoided. What name is given to such an action?
Answer
Reflex action $($acquired$)$.
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Question 61 Mark
Name the two types of coordination which take place in our body.
Answer
$(a)$ Nervous coordination : By nerves and brain
$(b)$ Chemical coordination : By hormones
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[1 Mark Question Answer] - BIOLOGY STD 8 Questions - Vidyadip