What is an isotonic solution? A. A solution whose concentration is lower than the internal concentration. B. A solution whose concentration is the same as compared to internal concentration. C. A solution whose water concentration is more than the internal concentration. D. None of the above.

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?

Why is water liquid at room temperature?