Why is the folding up of the leaves of a sensitive plant on touching with a finger not a tropism?

Which of the following is a growth movement and which is not? (a) folding up of leaves of sensitive plant on touching with hand. (b) folding up of petals of dandelion flower when light fades.

The leaves of a monocot plant have

Leaves of moss plant posses

Which of the following are not tropisms? (i) growing of pollen tube in response to a sugary substance (ii) folding up of leaves of sensitive plant in response to touch (iii) winding of tendril around a support in response to touch (iv) opening up of the leaves of a daisy flower in response to light?

When the leaves of a sensitive plant are touched with a finger, they fold up and when light fades at dusk, the petaks of a dandelion flower close. (a) State one way in which the above two processes are similar. (b) State two ways in which the above two processes differ.

The leaves of fern plants are called

Name the receptors which are sensitive to touch.