What will happen in a cell if its nucleus is removed? Give reasons in support of your answer.

Distinguish between the following:

(a) Chromoplast and chloroplast

(b) Ribosome and centrosome.

Write main differences between plant and animal cells.

Explain why do spinach look green, papaya yellow and edible part of water melon red?

Write down two main functions of

(a) Endoplasmic reticulum

(b) Lysosome