The method of making compost from kitchen garbage,like peels of vegetables and fruits,using redworms is called.

The study of teeth is called :

Dried leaves and husk should be :

Keep ourselves and our surroundings clean to keep away from:

Milk, Fish, Vegetables and pulses are rich in :

Which of the following disease does not have a vaccine ?

Garbage collected from our houses should be dumped in :

Which of the following rot completely and do not smell ?

Which of the following is an undesirable effect of disposing plastic bags in gardens and parks ?

Which of the following items cannot be recycled ?