Two cross-sections of a stem and root appear simple, when viewed by naked eye. But under microscope, they can be differentiated by A. Exarch condition of root and stem B. Endarch condition of stem and root C. Endarch condition of root and exarch condition of stem D. Endarch conditions of stem and exarch condition of root

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?