(a) What will happen to guard cells and the stomatal pore when water flows into guard cells. (b) How do plants transmit information from cell to cell?

Why are green plants called producers?

Updated 1/15/2026

Mention the common mode of reproduction found in • Amoeba • Planaria.

Updated 1/15/2026

In the food chain Grass → Deer → Lion operating in a forest, what will happen if all the (a) Lions are removed (b) Deer are removed.

Updated 1/15/2026

What are nastic and curvature movements? Give one example of each.

Updated 1/15/2026

(a) In human body what is the role of • seminal vesicles and • prostate gland. (b) List two functions performed by testes in human beings.

Updated 1/15/2026