(A) Observe the given figure and identify the labelled parts P, Q, R and S :
(A) Observe the given figure and identify the labelled parts P, Q, R and S :
Solution
(A) P – Receptor/Skin
Q - Sensory Neuron
R - Relay Neuron
S – Effector/Muscles in arm.
OR
(B) (i) Cytokinin
(ii) Abscisic acid/ ABA
(iii) Auxin
(iv) Abscisic acid/ ABA
