Environment Quiz-1

1. Name the atmospheric layer closest to the ground

A.Troposphere
B.Mesosphere
C.Thermosphere
D.Stratosphere

2. The most abundant gas on the earth’s atmosphere is

A.Oxygen
B.Carbon
C.Nitrogen
D.Hydrogen

3. What atmospheric layer has most of the clouds?

A.Mesosphere
B.Thermosphere
C.Exosphere
D.Troposphere

4. An altitude of 100 kilometres (62 mi; 330,000 ft) above the Earth’s sea level marks the beginning of space where human travellers are considered astronauts. What is it called?

A.Appleton–Barnett layer
B.Karman line
C.Heaviside layer
D.Van Allen belts

5. The study of weather is called?

A.meteorology
B.climatology
C.aeronomy
D.aerology

6. Which one of the following is NOT a primary layer of the atmosphere?

A.Mesosphere
B.Troposphere
C.Exosphere
D.Stratosphere

7. A millimetre of mercury is a manometric unit of pressure, defined as precisely 133.322387415 pascals. What is the symbol for a millimetre of mercury?

A.hhMg
B.MPA
C.mmHg
D.inHg

8. Name the atmospheric layer that is completely cloudless and free of water vapor.

A.Exosphere
B.Troposphere
C.Thermosphere
D.Stratosphere

9. The ozone layer or ozone shield is a region of Earth’s atmosphere that absorbs most of the Sun’s ultraviolet (UV) radiation. Which layer of the atmosphere contains ozone layer?

A.Troposphere
B.Mesosphere
C.Thermosphere
D.Stratosphere

10. What is the average atmospheric pressure at sea level as defined by the International Standard Atmosphere?

A.101325 pascals
B.14.6959 pascals
C.1013 pascals
D.984.43 pascals

Answers
1.Troposphere
2.Nitrogen
3.Troposphere
4.Karman line
5.meteorology
6.Exosphere
7.mmHg
8.Thermosphere
9.Stratosphere
1o.101325 pascals

Author: kv1devlalilibrary

Kendirya Vidyalaya No.1, Devlali Near Devi Mandir, Rest Camp Road, Devlali Nashik, Maharashtra-422 401 E-mail: kv1devlibrary@gmail.com Web site: www.kv1devlalilibrary.wordpress.com

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