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

Name two famous biologists who proposed the "Theories of Evolution".

What are the two surgical methods of contraception in human males and females respectively ?