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

In aquatic plants, large air sacs give them buoyancy effects. These sacs are surrounded by which one of the following types of tissues?

Select the incorrect pair of the food articles and the plant part from which it is obtained from the following :

Which of the following is not an example of a modified underground stem?

Which of the following is an insectivorous plant?

Which one of the following is a plant hormone?