Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

What structural adaptation of leaves increases their photosynthetic efficiency?
Options
A Fewer stomata
B Broad surface area and many chloroplasts
Correct Answer
C Thick waxy cuticle
D Deeply embedded xylem
Correct Answer

Option B is the correct answer.

Detailed Explanation

A broad, flat leaf blade maximizes light capture surface area. Packing the mesophyll with numerous chloroplasts increases the cellular machinery available for photosynthesis.

Hint

Think about maximizing light exposure and the number of photosynthetic units.

Question Info