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प्रश्न
What is science?
उत्तर १
Science is the systematic effort by human beings to control nature through experiments and observation for their own use.
उत्तर २
Science is the systematic ongoing effort by human beings to study understand and utilize nature for meaningful purposes. This understanding is slowly developed by careful observations and experiments.
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संबंधित प्रश्न
What is chemistry?
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
Choose the correct alternative from the choices given below for the following statement:
Which one of the following is a pesticide?
State the functions of the following basic glass apparatus:
Round bottom flask
State the function of
The wooden handle at the end of the test tube holder.
State the function of
The air regulator in a Bunsen burner.
Select the correct name from the choices given below for the following case.
A chemical used as a preservative for jams, pickles, etc.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A glass apparatus resistant to chemicals, made of pyrex, and used for heating specific liquids.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A modern apparatus with an air regulator, used for heating purposes.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A rectangular mesh with asbestos at its centre kept for initiating even distribution of heat to the bottom of the apparatus.
