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Unit-4 Current Environmental Issues Quiz

10 Questions

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Unit-4 Current Environmental Issues Quiz

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Questions and Answers

What is the role of a greenhouse in maintaining temperature?

Passing visible light and absorbing infrared radiations

Passing visible light and reflecting infrared radiations

Reflecting visible light and absorbing infrared radiations

Absorbing visible light and reflecting infrared radiations (correct)

What natural structure is compared to a greenhouse in the text?

Atmosphere (correct)

Volcano

Ocean

Desert

Why are flowers, vegetables, and fruits grown in a glass-covered area called a green house?

To shield them from strong winds

To protect them from insects

To trap energy from the sun (correct)

To keep them from freezing

What causes the warming of soil and plants in a green house?

Visible light passing through glass (B) Signup and view all the answers

What keeps the energy of the sun trapped in a green house?

Transparent glass walls (A) Signup and view all the answers

Which term is used to describe the blanket of air that surrounds the earth?

Atmosphere (C) Signup and view all the answers

What does the atmosphere act as according to the text?

A blanket of air (C) Signup and view all the answers

Why is the name 'greenhouse effect' used?

"Greenhouse" draws an analogy with glass-covered areas (A) Signup and view all the answers

What are emitted by warm soil and plants in a green house?

"Infrared" radiations (A) Signup and view all the answers

Which component of sunlight heats up the soil and plants in a green house?

Ultraviolet radiations (D) Signup and view all the answers