Environment GK Practice Question and Answer
8 Q: In 'global warming' the temperature of?
870 0622a14ff7c4208076ba7a887
622a14ff7c4208076ba7a887- 1Troposphere increasetrue
- 2Ionosphere increasefalse
- 3Mesosphere increasefalse
- 4Stratosphere increasefalse
- Show Answer
- Workspace
- SingleChoice
Answer : 1. "Troposphere increase "
Q: Which of the following is the correct descending order of volume percentage of gases in atmospheric composition?
847 06203dfef345a052f7c60c2f8
6203dfef345a052f7c60c2f8- 1Oxygen - Hydrogen - Argon - Carbon Dioxidefalse
- 2Hydrogen - Argon - Carbon Dioxide - Oxygenfalse
- 3Hydrogen - Carbon Dioxide - Argon - Oxygentrue
- 4None of thesefalse
- Show Answer
- Workspace
- SingleChoice
Answer : 3. "Hydrogen - Carbon Dioxide - Argon - Oxygen"
Q: Below are a few statements given about afforestation.
A. Afforestation could prevent flooding.
B. Afforestation can balance our ecosystem.
Which of the above statements is/are correct?
847 064b52324e154aff5337375f5
64b52324e154aff5337375f5A. Afforestation could prevent flooding.
B. Afforestation can balance our ecosystem.
Which of the above statements is/are correct?
- 1Both A & B are incorrectfalse
- 2Only Bfalse
- 3Both A & Btrue
- 4Only Afalse
- Show Answer
- Workspace
- SingleChoice
Answer : 3. "Both A & B"
Explanation :
The following statements below are correct about afforestation.
A. Afforestation could prevent flooding.
B. Afforestation can balance our ecosystem.
Q: Compound among the following is
835 06239be89cd09f46e2f270c0d
6239be89cd09f46e2f270c0d- 1diamondfalse
- 2graphitefalse
- 3ozonefalse
- 4watertrue
- Show Answer
- Workspace
- SingleChoice
Answer : 4. "water "
Q: Which of the following is an example of an artificial ecosystem?
819 064106cb6a37bb1a5e17cf9fc
64106cb6a37bb1a5e17cf9fc- 1crop fieldtrue
- 2Forestfalse
- 3Lakefalse
- 4Pondfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 1. "crop field"
Explanation :
The crop field is an artificial ecosystem.
Q: Plants release water into the air by the process of ______.
810 06491982913e8bde0322ba788
6491982913e8bde0322ba788- 1photoperiodismfalse
- 2transpirationtrue
- 3photosynthesisfalse
- 4tropismfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 2. "transpiration"
Explanation :
1. Plants release water into the air through a process called transpiration.
2. Transpiration is a natural process, by which plants expel water from their bodies in the form of vapor.
3. The process of transpiration takes place through small holes in the leaves, which are called stomata.
3. Transpiration is essential for plants, as it helps keep plants cool and transport nutrients from the roots to the leaves needed to make food.
Q: The following is true about ozone?
( A ) It is essential for respiration of animals and plants.
( B ) It absorbs ultraviolet rays.
( C ) Its percentage in air is almost 3 %.
( D ) It is used to disinfect water.
797 0622a142b08bf112863213416
622a142b08bf112863213416- 1A , B and Cfalse
- 2B and Dtrue
- 3Only Bfalse
- 4A and Dfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 2. "B and D "
Q: Which of the following is considered to be the purest form of natural water (distilled water) free from impurities?
787 06419779ffb0ff69a8ee80503
6419779ffb0ff69a8ee80503- 1Well waterfalse
- 2Spring watertrue
- 3River waterfalse
- 4Rain waterfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 2. "Spring water "
Explanation :
Rainwater is the purest form of natural water. It is formed naturally by evaporation followed by condensation of water vapour.