EASY
UGC NET Paper 1
IMPORTANT
Earn 100

The structure of earth's system consists of the following. Match the following:

List-I
(Zone)		 List-II
(Chemical character)
A. Atmosphere I. Inert gases
B. Biosphere II. Salt, fresh water, snow
    and ice
C. Hydrosphere III. Organic substances
D. Lithosphere IV. Light siltcates

 

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Important Questions on People, Development and Environment

EASY
UGC NET Paper 1
IMPORTANT
NTA - UGC NET/SET/JRF>Chapter 9 - People, Development and Environment>Practice Exercises>Q 35

Earth is often struck by solar eruptions, which comprise energetic particles that are hurled away from the Sun into space. Which of the following statements reflect the effect on earth?

1. When these eruptions interact with the magnetic field, they cause beautiful auroras.

2. They breakdown radio communication and power supplies.

3. They don't affect life support system on earth.

EASY
UGC NET Paper 1
IMPORTANT
NTA - UGC NET/SET/JRF>Chapter 9 - People, Development and Environment>Practice Exercises>Q 36
A temperature inversion is a condition when the air.
EASY
UGC NET Paper 1
IMPORTANT
NTA - UGC NET/SET/JRF>Chapter 9 - People, Development and Environment>Practice Exercises>Q 37
Beginning from the surface of earth, what is the sequence of different layers of atmosphere?
EASY
UGC NET Paper 1
IMPORTANT
NTA - UGC NET/SET/JRF>Chapter 9 - People, Development and Environment>Practice Exercises>Q 38
The most dynamic layer of the atmosphere in terms of climatic and weather conditions is.
EASY
UGC NET Paper 1
IMPORTANT
NTA - UGC NET/SET/JRF>Chapter 9 - People, Development and Environment>Practice Exercises>Q 39
In which of the following layers of the atmosphere, ozone (O3) gas is present?
EASY
UGC NET Paper 1
IMPORTANT
NTA - UGC NET/SET/JRF>Chapter 9 - People, Development and Environment>Practice Exercises>Q 40
In which of the following atmospheric layers ionosphere occurs?
EASY
UGC NET Paper 1
IMPORTANT
NTA - UGC NET/SET/JRF>Chapter 9 - People, Development and Environment>Practice Exercises>Q 41

In an ecotone, the species which become abundant are called:

EASY
UGC NET Paper 1
IMPORTANT
NTA - UGC NET/SET/JRF>Chapter 9 - People, Development and Environment>Practice Exercises>Q 42
The air pollutants are mainly classified as.