Given is the diagrammatic representation of the sectional view of cochlea. Select the correct option regarding it.

(a) A - Organ of corti-responsible for maintenance of balance of the body and posture.
(b) B - Scala vestibuli-filled with endolymph that ends at the round window.
(c) C - Scala tympani- terminates at the round window which opens to the middle ear.
(d) D - Basilar membrane nerve impulses are generated against it.

A small rise in the body temperature of humans is corrected by

(i) sweating
(ii) dilating the skin arteries
(iii) constricting the skin arteries
(iv) increased tension of muscles in the skin.

(1) (i) only

(2) (ii) only

(3) (i) and (ii)

(4) (iii) and (iv)

Pacinian corpuscles occur in the skin of certain parts of body in mammals. These are

(1) type of glands

(2) pain receptors

(3) naked tactile receptors

(4) encapsulated pressure receptors.

The cavity of diencephalon is known as 
(1) first ventricle

(2) second ventricle

(3) third ventricle

(4) fourth ventricle

Which one is an incorrect match?
(1) Glucoma-Abnormal high pressure on liquid of eye

(2) Eustachian tube-Connects middle ear cavity with pharynx

(3) Caloreceptor-Heat

(4) Interoreceptor-Touch

The cranial nerves which originate from the medulla oblongata are
(1) IX, X, XI and XII

(2) III, VIl and IX

(3) VII, VII IX and X

(4) VIlI, IX, X, XI and XII

Node of Ranvier occurs where
(1) nerve is covered with myelin sheath

(2) neurolemma is discontinuous

(3) neurolemma and myelin sheath are discontinuous

(4) myelin sheath is discontinuous

The brain disease caused due to accumulation of amyloid $\mathrm{\beta }$-peptide is 
(1) Addison's disease

(2) Huntington's disease

(3) Parkinson's disease

(4) Alzheimer's disease

Which of the following part of human brain is also called emotional brain?
1. Corpus callosum

2. Limbic system

3. Epithalamus

4. Broca's area

Go through the following table comparing the effect of sympathetic and parasympathetic nervous system. Which one is matched correctly?

       Features              Sympathetic                  Parasympathetic
                                 Nervous System               Nervous System

(1) Pupil of eye               Dilates                         Constricts

(2) Heart rate                Decreases                       Increases

(3) Intestinal                    Stimulates                          Inhibits
     peristalsis
     movement

(4) Salivary                   Stimulates                      Inhibits secretion
     gland                        secretion