अयोगवाह कितने होते

Which of the following is the most common cause of stomach ulcers?

The base of an electric iron is brightly polished mainly -

Which vitamin can be synthesized in the liver?

Tendons and Ligaments are

Bolometer is used to measure –

The electrical conductivity of a semiconductor increases with rise in temperature because:

Which of the following is not a unit of energy?

Which of the following is an example of a plant which reproduce through its buds?

Food cans are coated with tin and NOT zinc because ________.