Question Text
Question 1 :
The movement of the sunflower towards the sun is due to:<br/>
Question 7 :
The flow of electric pulse from one neuron to another takes place from
Question 8 :
The stimulus of the plant due to certain chemicals is called
Question 9 :
When light falls on a part of the plant, a hormone called .......... which is synthesized at the tip of the shoot helps the cells to grow longer.
