Which plant nutrient has special significance for carbohydrate-rich crops, imparts disease resistance, and improves the size and quality of fruits, flowers and seeds?

Which one of the following plants has unisexual flowers?

Which one of the following agents does not contribute to propagation of plants through seed dispersal?

Explosive seed pods that release seeds with very high velocity and send them off to large distances is observed in which of the following?

Which of the following elements is NOT a micronutrient in plants?

Which one of the following combinations of events represents the correct sequence during reproduction in flowering plants?