General Science for Class 5

What is the major source of release of direct pollutants in air pollution?

1. Air
2. Fuel
3. Gas
4. None

Which is not a cause of water pollution?

1. Gases from household materials
2. Sewage water from homes
3. Untreated water from industries
4. Water runoff from agriculture

Which is not a cause of land pollution?

1. Plastic bags, bottles, glass bottles, tin cans
2. Vegetables and fruit cutting
3. Animal wastes
4. All of these are causes of land pollution

Solid wastes that are easily decompose by decomposers are called?

1. Biodegradable
2. Non-biodegradable
3. Both A and B
4. None

Solid wastes that are not easily decomposed by decomposers are called?

1. Biodegradable
2. Non-biodegradable
3. Both A and B
4. None

Which one of the following is biodegradable material?

1. Plastic
2. Styrofoam
3. Glass
4. Fruits

Which one of the following is non-biodegradable material?

1. Plastic
2. Manure
3. Wood
4. Cotton

Which type of wastes are classified as Biodegradable waste?

1. Waste from plastic industries
2. Vegetables waste from farms
3. Wasted water from homes
4. None

Which type of wastes are classified as Non-biodegradable waste?

1. Waste from the plastic industry
2. Vegetable waste from farms
3. Kitchen waste from home
4. None

Which is not a biodegradable waste?

1. Vegetable peeling
2. Plastic bottles
3. Paper
4. None