Where does the carbon that is used in photosynthesis come from?

What is the common step in aerobic and anaerobic pathway?

Draw diagrams to represent the types of concentric vascular bundles.

What are grana?

Draw the ultrastructure of a chloroplast and label the parts.

What are photosystems?

List the functions of mitochondria.

What is anaerobic respiration?

Draw the ultrastructure of mitochondria and label the parts.

Raman went to a garden. He saw that the stem of the Banyan tree becomes thicker every year whereas such a change is not seen in a coconut tree. Can you give a explanation for this.