Questions in plant-water-relation

Select	Question
	The vestigeal stomata are present in
	Which of the following is an adaptation to reduce water loss
	On the basis of daily movement of stomata, the Loftfield has classified the stomata into
	Potamogeton possess a
	In scotoactive opening of stomata, they remain open during
	Which of the following plant is able to show rolling of leaf during mid of the day
	Which of the following is a plant showing scotoactive opening of stomata
	In barley type of plant, the stomata open
	Stomatal frequency means
	Stomatal index $I$ is equal to