Consider the following statements and select the correct option which correctly identifies true (T) and false (F). (i) Biogas is a combustible gas obtained by the anaerobic decomposition. (ii) Producer gas is a mixer of flammable gas only. (iii) In a nuclear reactor, the moderator is Uranium-234. (iv) Wind speed should be lower than 15 kmh to maintain the required speed of the turbine.

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?