(C) The cerebrum consists of a pair of the largest lobes known as cerebral hemispheres. These hemispheres account for $80 \%$ of the total brain weigh

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(C) The cerebrum consists of a pair of the largest lobes known as cerebral hemispheres. These hemispheres account for $80 \%$ of the total brain weight. The cerebrum is responsible for controlling all voluntary activities of the body. It serves as the center for memory,willpower,intelligence,reasoning,and learning.

Class 11 Biology Neural Control and Coordination Central Neural System

Medium

Memory is the responsibility of

A
Grey matter
B
White matter
C
Cerebrum
D
Cerebellum

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Class 11

Biology Questions

Chapter

Neural Control and Coordination

Subtopic

Central Neural System

The brain acts as the $A$ and $B$ system.
Here,$A$ and $B$ refer to:

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The link between paracoel and diocoel is through

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The human brain is covered by a tough outer covering known as:

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Match the following human spinal nerves in column-$I$ with the number of pairs in column-$II$ and choose the correct option.

Column-$I$ Column-$II$

$(a)$ Cervical nerves $(i) \; 5$ pairs

$(b)$ Thoracic nerves $(ii) \; 1$ pair

$(c)$ Lumbar nerves $(iii) \; 12$ pairs

$(d)$ Coccygeal nerves $(iv) \; 8$ pairs

Column-$I$	Column-$II$
$(a)$ Cervical nerves	$(i) \; 5$ pairs
$(b)$ Thoracic nerves	$(ii) \; 1$ pair
$(c)$ Lumbar nerves	$(iii) \; 12$ pairs
$(d)$ Coccygeal nerves	$(iv) \; 8$ pairs