Q.Draw a labelled diagram of an animal cell. OR Draw a labelled diagram of a plant cell.

An animal cell is bounded only by a plasma membrane (no cell wall) and contains a nucleus plus organelles such as mitochondria, ER, Golgi apparatus, ribosomes, lysosomes, and centrioles.

Since this question requires a drawing, the answer describes exactly what the labelled diagram must show, structure by structure:

1. Plasma membrane — the outermost boundary of the cell (no cell wall present, unlike plant cells).
2. Cytoplasm — the jelly-like matrix filling the cell, in which organelles are suspended.
3. Nucleus — usually centrally located, bounded by a nuclear (double) membrane with pores, containing chromatin material and a prominent nucleolus.
4. Mitochondria — oval, double-membraned 'powerhouses' with inner folds (cristae), the site of aerobic respiration/ATP synthesis.
5. Endoplasmic reticulum — a network of membranous tubules; rough ER studded with ribosomes (protein synthesis) and smooth ER (lipid synthesis).
6. Golgi apparatus — stacks of flattened membranous sacs (cisternae) near the nucleus, involved in packaging and secretion.
7. Ribosomes — small dense granules, free in cytoplasm or attached to rough ER, the site of protein synthesis. …