Our Environment Quiz - ICSE Class 6 Biology
Free practice quiz: Our Environment (ICSE Class 6 Biology). 47 multiple-choice questions with answers and explanations. Play online, no sign-up needed.
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Which of the following is an abiotic component of our environment?
- Trees
- Animals
- Sunlight
- Fungi
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Answer: C. Sunlight
Abiotic components are non-living physical and chemical elements in the environment that affect living organisms and the functioning of ecosystems. Sunlight is a non-living factor.
The process of water evaporating from the leaves of plants is known as:
- Evaporation
- Condensation
- Transpiration
- Precipitation
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Answer: C. Transpiration
Transpiration is the process where moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere.
The water cycle is also known as the:
- Carbon cycle
- Nitrogen cycle
- Hydrologic cycle
- Oxygen cycle
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Answer: C. Hydrologic cycle
The hydrologic cycle describes the continuous movement of water on, above, and below the surface of the Earth, encompassing processes like evaporation, transpiration, condensation, and precipitation.
Which of the following is an example of pollution affecting our environment negatively?
- Rainforests
- Oceans
- Plastic waste
- Healthy soil
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Answer: C. Plastic waste
Plastic waste is a form of pollution that harms ecosystems, wildlife, and can persist in the environment for hundreds of years.
Which of the following gases is primarily responsible for the greenhouse effect?
- Oxygen
- Nitrogen
- Carbon dioxide
- Hydrogen
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Answer: C. Carbon dioxide
Carbon dioxide (CO2) is a major greenhouse gas that traps heat in the Earth's atmosphere. While other gases also contribute, CO2 plays a significant role in the warming of the planet.