Is H.C.Verma foundation of science in Physics Class 10 , and Goyal`s IIT foundations (class 10 physics and chemistry both),and Disha Publications Board+IIT (physics and chemistry both) good to score 10 cgpa and to build strong foundation for IIT?

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?