Biology
Give reasons for the following:
Potato cubes when placed in water become firm and increase in size.
Related Questions
Give reasons for the following:
It is better to transplant seedlings in a flower-bed in the evening and not in the morning.
Give reasons for the following:
A plant cell when kept in a hypertonic salt solution for about 30 minutes turns flaccid.
What are the four main forces which contribute to the ascent of sap (upward movement of water and minerals) ? Name them and explain in short.
What is transpirational pull? How is it caused?