Question

Which among the following statements are true for unisexual flowers?
(i) They possess both stamen and pistil.
(ii) They possess either stamen or pistil.
(iii) They exhibit cross pollination.
(iv) Unisexual flowers possessing only stamens cannot produce fruits.

• A. (i) and (iv)
• B. (ii), (iii) and (iv)
• C. (iii) and (iv)
• D. (i), (iii) and (iv)

Answer 1

Answer: (B)

(ii), (iii) and (iv)

• In flowering plants, the flowers can be unisexual with either stamen or pistil; or bisexual having both stamen and pistil in the same flower.
• In both types of flowers, the pistil bears ovary, which on maturation forms the fruit.
• So, unisexual flowers with only stamens cannot produce fruits. Also, the unisexual flowers pollinate through cross-pollination.

Therefore, the correct answer is option B.