Electricity: Circuits and their Components — Science STD 7 — Question

Explain the importance of emotional changes during adolescence.

Paheli wants to know how food moves in the opposite direction during vomiting?

Imagine a world without light. How would this affect our understanding of time and space?

The process of layering is commonly used in jasmine for reproduction. Explain how this process of layering is performed in jasmine.

"Life on the earth would be impossible in the absence of photosynthesis". Give reasons to support this statement.

Give two reasons to explain why absorption of digested food occurs mainly in the small intestine.

Why water is considered as a precious resource?

The swallowed food moves downwards in the alimentary canal. Explain.

What happens when an animal dies in the forest?

Paheli uprooted a rose plant from the soil. Most of the root tips with root hairs got left behind in the soil. She planted it in a pot with new soil and watered it regularly. Will the plant grow or die? Give reason for your answer.