Question

. Comparing small and Large cells, which statement is correct?
(a) Small cells have a small surface area per volume ratio
(b) Exchange rate of nutrients is fast with large cells
(c) Small cells have a large surface area per volume ratio
(d) Exchange rate of nutrients is slow with small cells

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Answer 1

Answer:

(c) Small cells have a large surface area per volume ratio

Explanation:

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Answer 2

Answer:

Explanation:

Small cells have large surface area per volume ratio. You can prove this by taking 2 spheres of radius 1 and 2 m and finding their surface area to volume ratio.

SA / V= 4πr^2 / 4/3πr^3 = 3/r

Thus SA / V decreases as r increases.

Exchange of nutrients is faster in small cells because of the same reason.