Which cell organelle is known as the 'kitchen of the cell'?

Name the plastid which stores starch,oils and protein granules.

What are the consequences of the following conditions?
$(a)$ $A$ cell containing higher water concentration than the surrounding medium.
$(b)$ $A$ cell having lower water concentration than the surrounding medium.
$(c)$ $A$ cell having equal water concentration to its surrounding medium.

Name the cell organelle which is generally small-sized in animal cells and large in plant cells.

$(a)$ List any two structural differences and two similarities between a plant cell and an animal cell.
$(b)$ What would happen if an animal cell is kept in distilled water for $24$ hours?

Write true or false for the following statement:
The chlorophyll in photosynthetic prokaryotic bacteria is associated with membranous vesicles but not with plastids.