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- Question
Any undesirable change in physical, chemical or biological characteristics of air, land, water or soil is called?
Options- A. Greenhouse effect
- B. Solid wastes
- C. Pollution
- D. Deforestation
- Correct Answer
- Pollution
- 1. What is the name of the acid in an ant's sting?
Options- A. Acetic acid
- B. Citric acid
- C. Formic acid
- D. Lactic acid Discuss
- 2. ___________ is the process of restoring a forest that once existed but was removed at some point of time in the past.
Options- A. Deforestation
- B. Reforestation
- C. Greenhouse
- D. Jhum cultivation Discuss
- 3. ___________ is obtained by evaporation of sea.
Options- A. Sugar
- B. Iron
- C. Salt
- D. Steel Discuss
- 4. A __________ thread is actually stronger than a steel wire.
Options- A. wool
- B. cotton
- C. jute
- D. nylon Discuss
- 5. _________ affect the rate of humus formation of soil.
Options- A. Flora & Fauna
- B. Time
- C. Temperature
- D. Parent rock Discuss
- 6. The uppermost layer over the earth's surface is called the ______.
Options- A. Mantle
- B. Core
- C. Crust
- D. Exosphere Discuss
- 7. On the basis of distribution, resources can be classified into ____________?
Options- A. Actual resources
- B. Potential resources
- C. Ubiquitous resources
- D. Abiotic resources Discuss
- 8. Halophytes are plants that grow in
Options- A. Cold Water
- B. Fresh Water
- C. Ponds
- D. Salt Water Discuss
- 9. Photosynthesis in plants takes place in
Options- A. Stem
- B. Leaves
- C. Roots
- D. Flower Discuss
- 10. Which of the following gases emitted from automobile exhaust is poisonous?
Options- A. Carbon monoxide
- B. Carbon dioxide
- C. Hydrocarbons
- D. Sulphur dioxide Discuss
General Science problems
Search Results
Correct Answer: Formic acid
Correct Answer: Reforestation
Correct Answer: Salt
Correct Answer: nylon
Correct Answer: Flora & Fauna
Correct Answer: Crust
Correct Answer: Ubiquitous resources
Correct Answer: Salt Water
Correct Answer: Leaves
Correct Answer: Carbon monoxide
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