(D) The brain and spinal cord are protected by three layers of connective tissue membranes known as the $Meninges$. These three layers are the $Dura \

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(D) The brain and spinal cord are protected by three layers of connective tissue membranes known as the $Meninges$. These three layers are the $Dura \text{ } mater$ (outermost), $Arachnoid \text{ } mater$ (middle), and $Pia \text{ } mater$ (innermost). These membranes provide structural support and protection to the central nervous system.

Class 11 Biology Neural Control and Coordination Central Neural System

Medium

What are the membranes that cover the brain and spinal cord called?

A
White matter
B
Grey matter
C
Peritoneum
D
Meninges

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Class 11 Questions

Class 11

Biology Questions

Chapter

Neural Control and Coordination

Subtopic

Central Neural System

Choose the correct sequence for cranial meninges. (Outer to inner)

Medium

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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