Neural Control and Coordination(2022)-quiz-2

Reflex is controlled by –

• (a) Spinal cord

• (b) ANS

• (c) PNS

• (d) Sympathetic nervous system

The inner parts of cerebral hemispheres and a group of associated deep structures like amygdala, hippocampus, etc; form a complex structure called –

• (a) Reticular system

• (b) Corpora quadrigemina

• (c) Limbic lobe / limbic system

• (d) Arbor vitae

Which of the following cells are photoreceptor cells in human eye?

• (a) Only cones

• (b) Only amacrine cells

• (c) Only rods

• (d) Only rods and cones

Sensitive pigmented layer of eye is –

• (a) Retina

• (b) Cornea

• (c) Sclera

• (d) None of these

At the posterior pole of eye latter to blind spot, there is a yellowish pigmented spot called ___________ with a central pit called __________ –

• (a) Corpus luteum, Fovea

• (b) Macula, fovea

• (c) Macula lutea, fovea

• (d) macula, columella

Colour of eye is due to –

• (a) Iris

• (b) Lens

• (c) Pupil

• (d) Cornea

Given these structures –

***A. Lens

***B. Aqueous humour

****C. Vitreous humour

****D. Cornea

Choose the correct sequence of pathway of light from outside to inside the eyeball –

• (a) D, B, A, C

• (b) A, B, C, D

• (c) D, C, B, A

• (d) A, D, B, C

The blind spot is the region where –

• (a) Image is dim

• (b) Image is formed in strong light

• (c) Optic disc is present

• (d) Image is formed in the dark

**I. Cerebellum has very convoluted surface in order to provide the additional space for more neurons

**II. The medulla is connected to the spinal cord

**III. Medulla contains controlling centres for respiration, cardiovascular reflexes and gastric secretion

• (a) All are correct

• (b) Only I is correct

• (c) Only I and III are correct

• (d) Only II is correct

Unidirectional transmission of the nerve impulse is maintained by –

• (a) Interneurons

• (b) Myelin sheath

• (c) Synapse

• (d) Membrane polarity