Intermolecular Hydrogen bond is present in which of the following pair of molecules? Option- A.SiH4 and SiF4 B.CH3COCH3 and CHCl3 C.HCOOH and CH3COOH D.CH3OCH3 and H2O2

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?