Name the stored food of animals.

The opening and closing of the stomatal pore depends upon:

In each of the following situations,what happens to the rate of photosynthesis?
$(a)$ Cloudy days
$(b)$ No rainfall in the area
$(c)$ Good manuring in the area
$(d)$ Stomata get blocked due to dust

Describe the alimentary canal of man.

Choose the function of the pancreatic juice from the following:

The shape of guard cells changes due to change in the