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

Write main differences between plant and animal cells.

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

Write down two main functions of

(a) Endoplasmic reticulum

(b) Lysosome

Name the following

(a) The cell organelle which synthesizes protein.

(b) The type of plastid which stores food.