What is responsible for curding of milk ? Give your reasons.

Why some pepole do not have drinking water facilities eventhrough they reside near rivers and streams? Give yours reasons.

Take three bowls and mark as A,B,C . Pour lukewarm milk in bowl. A hot milk in bowl B, cold milk in bowl C. Add one tea spoon of curd or butter milk in three bowls and stir them slightly. Cover the bowls with lids. Keep the bowls undisturbed for five to six hours. In which bowl milk turned into curd? Give your reasons.

Are the sources from where you get water for your daily needs and crops the , same or not ? Give your reasons.

Lithium react with water less vigorously than sodium. Give your reason.

Why the cooked food spoll soon but not uncooked food. Give your reasons.

Latha's mother has prepared the following statements for you. But don’t forget to give your reasons. Plants are the source of honey.

What will happen in cell if nucleus is removed? Give reasons to support your answer.

Raju said stem also respire along with leaves in plants. Can you support this statement? Give your reasons.

In __ season we face severe water scarcity. Give your reason.