कमरे में रखे गमले का पौधा खिड़की से आने वाले प्रकाश की दिशा में झुकने लगता है। इस गति को क्या कहा जाता है?

What is the movement of free-moving organisms or cells toward or away from a chemical stimulus called?

The non-directional, immediate movement variations in plants triggered by the stimulus of sunlight are termed as:

Which of the following statements is true regarding the immediate movement observed in the leaves of the 'Touch-me-not' (Mimosa pudica) plant upon contact?