How do you say that a cell also has a life span and death like an organism? Give one example.

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

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

All life starts as-

1. an egg
2. a single cell
3. a gene
4. a chromosome