All organisms excrete. Does an individual cell also do it? Give one example

Every organism needs food. Does a cell also need it? Explain very briefly.

Which one of the following is found both in cells of a mango plant and a monkey?

1. chloroplasts
2. centrioles
3. cell wall
4. cell membrane

Which one of the following cell organelles is correctly matched with its function?

1. Ribosomes — Synthesis of proteins
2. Mitochondria — Secretion of enzymes
3. Plasma Membrane — Freely permeable
4. Centrosome — Carries genes