Name the two main phases of photosynthesis.

What do you mean by 'Adaptation of Eye' ? Write its two kinds.

Given below is a figure of the internal structure of an organelle found in plants cells. Study the figure and answer the following questions :

(i) Identify the organelle and name the physiological process that occurs in this organelle.

(ii) Label the guidelines 1 and 3 of the figure.

(iii) Write a well balanced equation for the above metabolic process.

Define Pollution