The magnitude of any physical quantity: A. depends on the method of measurement B. does not depend on the method of measurement C. is more in SI system than in CGS system D. Directly proportional to the fundamental unit of mass, length and time

What type of questions asked from the lesson of magnetic effect of electric current 

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?