How do the various leaf modifications help plants?

How do the leaf movements in Mimosa help to ?

Leaf modification in Eichhornia

How do the universal indicator help us to know the strength of acid or base ?

Which of the following is a leaf modification?

How do illusions help

Australian Acacia, Turmeric, Zaminkhand, Nerium, Cacti, Pea, Pistia, Chrysanthemum, Nepenthis, Pine apple and garlic, out of these how many of them exhibit leaf modifications

Plants do not contain any special excretory organs. How are waste materials sent out in the plant body ?

How do fat bodies help in excretion?