No current will flow between two charged bodies if they have the same ________.

Who invented vaccination for small pox?

Honey is a major ingredient of

Which among the following elements increases the absorption of water and calcium in plants?

What happens to the speed of a cycle when it travels on a rough surface?

Ficus benghalensis is the scientific name of _____________

Which of the following nature of light is proved by polarization property of light?

Which of the following transports water from the roots of the plant to its leaves?