MHT CET (PCB) 2024 22th April Evening Shift | Neural Control and Coordination Question 10 | Biology

In a polarised state of nerve membrane, sodiumpotassium exchange pump actively restores the ions on their appropriate side because ________ against concentration electrochemical gradient.

$\mathrm{Na}^{+}$is forced out and $\mathrm{K}^{+}$is forced inside the membrane

both $\mathrm{Na}^{+}$and $\mathrm{K}^{+}$are forced out equally

both $\mathrm{Na}^{+}$and $\mathrm{K}^{+}$ions are forced inside

$\mathrm{K}^{+}$is forced out and $\mathrm{Na}^{+}$is forced inside the membrane

MHT CET (PCB) 2024 22th April Evening Shift

MCQ (Single Correct Answer)

-0

Cranial nerve $\underline{\mathrm{i}}$ is also called pneumogastric, $\underline{\mathrm{i}} \underline{\mathrm{i}}$ is also called vestibulocochlear, and iii is also called Dentist's Nerve.

i - Spinal accessory, ii - Olfactory, iii - Vagus.

i - Vagus, ii - Auditory, iii - Trigeminal.

i - Facial, ii - Abducens, iii - Glossopharyngeal.

i - Pathetic, ii - Hypoglossal, iii - Vagus.

MHT CET (PCB) 2024 22th April Evening Shift

MCQ (Single Correct Answer)

-0

Match the parts of human eye in Column I with their respective characteristics in Column II.

Column I		Column II
i.	Fovea Centralis	a.	Thick, Muscular ring like structure at junction of choroid and iris.
ii.	Conjunctiva	b.	Area of retina from which the optic nerve and blood vessels leave the eyeball.
iii.	Blind spot	c.	Exposed, transparent part of sclera and cornea.
iv.	Ciliary body	d.	Place of formation of sharpest vision.

Choose the correct option from below.

i - d ii - c iii - b iv - a

i - d ii - c iii - a iv - b

i-a ii-b iii-d iv-c

i - b ii - d iii - c iv -a

MHT CET (PCB) 2024 22th April Evening Shift

MCQ (Single Correct Answer)

-0

With reference to role of internal ear in equilibrium receptors for dynamic balance of body lie in i while the receptors for static or linear balance of body lie in ii

i	ii
organ of corti	tectorial membrane

i	ii
cristae of ampulla	maculae of utriculus and sacculus.

i	ii
scala vestibule	scala tympani

i	ii
Reissner's membrane	tectorial membrane

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