Animal products should not be used in vermicomposting because if we put animal products and pickles, oil,vinegar etc., they enhance the growth of disease causing bacteria which may cause the red worms to die.

The upper part of the human ear is made up of cartilage while the earlobe consists of only muscles.

Removal of water from the body in excess quantity is called dehydration. It reduces body weight of a person.

Water is the medium by which plant sucks all necessary minerals from soil , takes food to various parts and absorbs oxygen. Water is also necessary for photosynthesis

Evaporation and condensation are two processes involved in distillation.

Yes

We get biogas which is made from animal waste. We have to set up such plants to generate biogas. It is ecofriendly and best way to manage animal waste.

Yes, carbon dioxide is used in the soft drink bottles.

Light is a form of energy which enables us to see the things around us.

These processes are evaporation and transpiration.

By measuring distance by a particular standard unit of measurement, we can measure how far they have travelled.

Some liquids get completely dissolved in water.
Some others do not dissolve in water and form a separate layer when kept aside for some time.

The changes that can be noticed in our body easily are
(i) our nails grow and
(ii) our body growth.

Flax arid jute fibres are obtained from the stems of the plants.

In some plants, leaves are modified into tendrils to give support to the plant.

To separate harmful or non-useful substances and to obtain the useful component.

Swelling of face, discolouration of hair, skin diseases and diarrhoea.

(i) Dal (pulses) 
(ii) Soybean

Rice and water are main ingredients of idli.

The plants, animals and their products are the main sources of food for humans.