Physical and Chemical Changes — Science STD 7 — Question

What are the main components presents in carbohydrates?

Following statements describe the five steps in animal nutrition. Read each statement and give one word for each statement. Write the terms that describes each process. Transport of digested and soluble food from the intestine to blood vessels.

How does underground water gets replenished?

Name the three processes involved in treatment of wastewater.

Name some Indian breed of sheep.

In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?

Name the type of toilets which are most suitable for holding an outdoor music festival in a park.

‘Spores’ as a means of asexual reproduction are used by which plants?

What would happen if the Earth stopped rotating?

Name different modes of feeding in animals?