Common neurotransmitter in PNS is

Common neurotransmitter in PNS is

Options

(a) epinephrine (b) colchicine (c) Acetylcholine (d) both epinephrine and acetylcholine

Correct Answer:

both epinephrine and acetylcholine

Explanation:

Neurotransmitters are low molecular mass substances released in minute […]

Columella auris is a modified

Columella auris is a modified

Options

(a) Articular (b) Sphenthmoid (c) Hyomandibular (d) Quadrate

Correct Answer:

Hyomandibular

Explanation:

Hyomandibular is one pair of small cartilages or bone forming the dorsal ends of the […]

Colour blindness results from

Colour blindness results from

Options

(a) Absence of rods (b) Absence of cones (c) Absence of eyelids (d) Inverted retina

Correct Answer:

Absence of cones

Explanation:

Rod is a kind of light-sensitive nerve […]

Colour blindness is due to defect in

Colour blindness is due to defect in

Options

(a) cones (b) rods (c) rods and cones (d) rhodopsin

Correct Answer:

cones

Explanation:

Colour blindness is any disorder of vision in which colours are […]

Coiled portion of the labyrinth is called

Coiled portion of the labyrinth is called

Options

(a) cochlea (b) ear drum (c) ear canal (d) pinna

Correct Answer:

cochlea

Explanation:

Coiled portion of the labyrinth is called cochlea.

Choroid is

Choroid is

Options

(a) Middle layer of ear (b) Innermost layer of eye (c) Innermost layer of ear (d) Middle layer of eye

Correct Answer:

Middle layer of eye

Explanation:

No explanation available. […]

Choose the correct statement about receptors

Choose the correct statement about receptors

Options

(a) Nociceptors respond to changes in pressure (b) Meissner’s corpuscles are thermoreceptors (c) photoreceptors in human eye are depolarized during darkness and become hyperpolarized in response […]

Cerebrum is a part of

Cerebrum is a part of

Options

(a) Mesencephalon (b) Metencephalon (c) Prosencephalon (d) Myelencephalon

Correct Answer:

Prosencephalon

Explanation:

Cerebrum is the part of fore-brain,which develops from embryonic prosencephalon.

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