14.  Mark the correct statement
a)  Limbic system is involved in emotional expression
b)  Cerebral aqueduct passes through mid brain
c)  The menix in contact of brain tissue is pia mater
d)  All of these

15.  The given diagram shows different parts of a human eye with one part labeled as X.


Which of the following statement is correct regarding label X?
a.  It is the opening in lens that permits light into the inner chambers of the eye.
b.  It is the coloured portion of vascular tunic.
c.  It is biconcave structure that changes shape to bring objects into focus.
d.  It is thick, jelly-like substance in the posterior compartment of the eye.

Dear student, 
The correct answer of 14 is (d). All of the statements are correct. Limbic system is involved with behavioural and emotional expressions. Cerebral aqueduct passes through the mid brain and connects third ventricle in the diencephalon to the fourth ventricle within the region of mesencephalon and metencephalon. The meninges innermost and in contact with brain tissue is piamater.

The answer of 15 is  (c). The labelled part X is Lens of the eye. It is a biconcave structure that changes shape to bring objects into focus.

Regards

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