“It is said that every multicellular organism has come from a single cell”. Which of the following statements can be related to this? A. Every organism starts its life from a zygote, a single cell. B. Cells divide to produce cells of their own kind and thus all the cells of the body come from pre-existing cells. C. Both A and B D. none.

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?