Species diversity increases as one proceeds from: (A) High altitude to low altitude and high latitude to low latitude (B) Low altitude to high altitude and high latitude to low latitude (C) Low altitude to high altitude and low latitude to high latitude (D) High altitude to low altitude and low latitude to high latitude

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?