What is the significance of international geo - physical year?

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Explain about the methods of sterilization of DMEM?

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what is meant by test manual?

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WHY WE SMELL A SCENT AFTER RAIN?? BUT RAIN WATER IS PUREST FORM OF WATER WHICH IS ODOURLESS.

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The major ingredient of leather is 1 Carbohydrate 2 Collagen 3 Polymer 4 Nucleic acid

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1.what is a pasacline?who invented it? 2.who was the first man to go into space?

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Which scientist made detailed study on novae?

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The inert gas which is substituted for nitrogen in the air, used by deep sea divers for breathing, is 1 Helium 2 Argon 3 Krypton 4 Xenon

3 Answers   Argon,

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Combustion is the process in which 1 Heat is produced 2 Light is produced 3 Heat and light are produced 4 None of these

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Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones

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The Indian variety of which of the following plant has been proved to be the greatest pollution fighter in India: 1) Tea 2) Jute 3) Mustard 4) Groundnut

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What is the Protoplasm ?

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