This question is not related to any Byju's chapters but about "Pollination"
why don't complete flowers pollinate by themselves if they have both the stamen and the pistil
Question 17 Which of the following statements are true about 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)