Selina Concise Biology Class 10 ICSE Solutions The Nervous System Selina Concise Biology Class 10 ICSE Solutions The Nervous System Exercise 8.1 A.1. The insulating sheath covering the axon is called (a) Plasmalemma (b) Neurolemma (c) Dura mater (d) Pia mater Solution A.1. (b) neurolemma A.2.Which one of the following pairs of brain part and its function is not correctly matched? (a) Cerebrum - memory (b) Cerebellum - balance of body (c) Medulla oblongata - controls activities of internal organs (d) Pons - consciousness Solution A.2. (d) Pons – consciousness A.3.A mixed nerve is one which (a) Carries sensation from 2 or more different sense organs (b) Contains both sensory and motor fibres (c) Has a common root but branches into two or more nerves to different organs (d) Has two or more roots from different parts of brain Solution A.3. (b) Contains both sensory and motor fibres B.1.Name the following: (a) The fluid ...
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