Neural Control and Coordination By KARISHMA

Bipolar neuron are found in-

• embryonic stage

• retina of eye

• cerebral cortex

• all of these

S 1 - Schwann cell are present in unmyelinated nerve fibre .

S 2 - Unmyelinated nerve fibre is commonly found in autonomous and the somatic neural systems.

• Both are correct

• Both are incorrect

• Only S1 is correct

• Only S2 is correct

A ) At Resting state , the axonal membrane is comparatively more permeable to sodium ions (Na+ ) and nearly impermeable to potassium ions (K+ )

B) Sodium-potassium pump transports 3 Na+ outwards for 2 K+ into the cell.

• Both are correct

• Both are incorrect

• Only A is correct

• Only B is correct

Which one of the following statements is not correct?

• (a) The space between the cornea and the lens is called the aqueous chamber

• (b) ln retina. the rods have the photopigment rhodopsin, while cones have three different photopigments

• (c) Only Cones are present in area of blind spot.

• (d) Rhodopsin is the purplish-red protein present in rods only

(a) ............................. helps in equalising the pressures on either sides of the ear drum.

(b) The anterior portion of outer layer of eye is called ............................

(c) The dorsal portion of the midbrain consists mainly of four round swellings called ......................................

• Eustachian tube, Sclera, Cerebral aqueduct

• Eustachian tube, Sclera, Corpora quadrigemina

• Eustachian tube, Cornea, Cerebral aqueduct

• Eustachian tube, Cornea, Corpora quadrigemina

A. The membranous labyrinth is filled with a fluid called perilymph.

B. Three semicircular canals are at right angle to each other.

C. Only Cochlea is concerned with Hearing.

D. Vestibular apparatus is located below the cochlea.

• 3 statement are correct

• Only 1 statement is correct

• Only 2 statement are incorrect

• 3 statement are incorrect

Q. Suppose you are standing inside a human eye ball. What is the correct order of cells from inside to outside ?

• Bipolar cells , Ganglion cells , Photoreceptor cells

• Photoreceptor cells, Ganglion cells, Bipolar cells

• Ganglion cells, Bipolar cells and Photoreceptor cells

• Ganglion cells, Photoreceptor cells, Bipolar cells

S 1 - The inner parts of cerebral hemispheres and amygdala, hippocampus form a complex structure called limbic system.

S 2 - The cerebral hemispheres are connected by a tract of nerve fibres.

• S 1 and S2 both are correct

• S 1 and S2 both are incorrect

• Only S 1 is correct

• Only S 1 is incorrect

S 1 - Hypothalamus lies at the base of the thalamus.

S 2 - The cerebral cortex is referred to as the white matter due to its whitish appearance.

• Only S 1 is correct

• Only S 2 is correct

• Both are correct

• Both are incorrect

Transmission of an impulse across .............................. is very similar to impulse conduction along a single axon.

• Chemical Synapse

• Electrical Synapse

• Both Chemical and Electrical Synapse

• can not be answered from this information