The pigment that gives color to human skin is-

Which of the following types of energy causes the least air pollution?

What are the foods part  in onion-

Which is the most important organ of the plant in terms of life cycle?

Which of the following falls under the category of non-conventional sources of energy?

An object is placed in front of a concave mirror at a point between its focus point and the centre of curvature. The image to be created will be:

What is the scientific name of Rice?

Soda lime is a mixture of