Structural Organisation In Animals Question 268
Question: Assertion : Presence of connective tissue inside the brain is essential for conduction of nerve impulse. Reason : Connective tissue hold together the nerve cells of brain.
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
Show Answer
Answer:
Correct Answer: D
Solution:
Ordinary connective tissue is absent inside the central nervous system.
i.e.
brain and spinal cord and has no function in the conduction of nerve impulse.
The neurons of nerve tissue inside the brain and spinal cord are held together by supporting cells called neuroglia cells.
Neuroglia cells resemble neurons and have long radiating processes but no nissl granules.
BETA
