Name the food prepared by plants by the process of photosynthesis.

Assertion $\left(\mathrm{A}\right):$ Starch can hold iodine molecules whereas cellulose cannot hold iodine molecules.

Reason $\left(\mathrm{R}\right):$ Cellulose forms helical secondary structures whereas starch does not contain complex helices.

The correct answer is:

Observe this picture. Answer the question:

Leaves are absent in such plants. How do they make their food?

Observe the plant and answer the question:

What are the features of this plant?   

Observe this picture and answer the question:

Some thorns are there on this plant. What is their role?

Observe the picture above and fill in the blank.

Lobed leaves of Venus fly-trap plant have _____ (poison/digestive juice) in them.

Observe this picture. Answer the question:

Its stems are thick and fleshy. Why?

Fill in the blank with an appropriate word:

The type of root seen in a mustard plant is _____ (taproot/fibrous root).