Matter in Our Surroundings — Science STD 9 — Question

Is plasma membrane living or dead?

Draw a plant cell and name seven important organelles found in it.

Name in which:

Mass scale immunization is going on in India.

State which of the following situations are possible and give an example for each of these:
an object moving with an acceleration but with uniform speed.

Convert the temperature of 70°C to the Kelvin scale.

What name is given to those atoms which contain the same number of protons and electrons but different number of neutrons?

Name the device which converts chemical energy into electrical energy.

A bottle of perfume was opened in a room. The smell of its vapours spread in the entire room. Name the property of gases which is responsible for this behavior of perfume vapours.

Name the process used for obtaining pure Copper sulphate from an impure sample.