Nutrition in Plants — Science STD 7 — Question

Kidneys are the major excretory organs in humans. How will the waste products released will be excreted out if the kidneys are damaged or unfunctional?

Fill in the Blank.
The bicycle tube ________ when it is overfilled with _________.

Define spinning.

Why cutting of wood is a chemical change?

Draw a circuit diagram for a simple torch using symbols for electric components.

State the equation for the process of photosynthesis.

Name three natural indicators.

If a liquid turns blue litmus red, is it an acid, base or salt?

You were blindfolded and asked to identify the drinks provided in two different glasses. You could identify drink A as lime juice and B as bitter gourd juice. How could you do it inspite of being blindfolded?

What should you think like while doing experiments?