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Olympiad Test: Natural Resources- 1 - Class 9 MCQ


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10 Questions MCQ Test Science Olympiad Class 9 - Olympiad Test: Natural Resources- 1

Olympiad Test: Natural Resources- 1 for Class 9 2024 is part of Science Olympiad Class 9 preparation. The Olympiad Test: Natural Resources- 1 questions and answers have been prepared according to the Class 9 exam syllabus.The Olympiad Test: Natural Resources- 1 MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Natural Resources- 1 below.
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Olympiad Test: Natural Resources- 1 - Question 1

Percentage of total water found as freshwater is

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 1
Only 2.5% of total water present on the surface of the earth is present as freshwater which can be used for drinking and is potable. Rest of it is present in the form of seawater which is not salt-free and cannot be used for drinking. So, freshwater should be used very judiciously and used for drinking.
Olympiad Test: Natural Resources- 1 - Question 2

What is the range of temperature of the surface of moon?

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 2
The moon is about the same distance from the Sun than the Earth is. Despite that, on the surface of the moon, with no atmosphere, the temperature ranges from –190° C to 110° C.
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Olympiad Test: Natural Resources- 1 - Question 3

Major component of the atmosphere on venus and mars planet is

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 3
Carbon dioxide is an important gaseous component of the environment. It is fixed by the green plants by the process of photosynthesis. It is released during expiration by the process of respiration. Venus is twin planet to earth as it has atmosphere. It is the hottest planet as its is made up of 97% carbon dioxide. Mars is also a planet which has atmosphere made up of 95.5% carbon dioxide.
Olympiad Test: Natural Resources- 1 - Question 4

Which one is inexhaustible resource?

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 4
Solar radiation is an inexhaustible and renewable source of energy. Soil, Fossil fuels and Minerals, all are exhaustible and their replenishment becomes impossible or very difficult.
Olympiad Test: Natural Resources- 1 - Question 5

Cloud formation takes place in which part of atmosphere

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 5
There are 5 layers of atmosphere present around the earth. They include Troposphere, Stratosphere, mesosphere, Thermosphere and Exosphere. Out of all these, the closest to the surface of the earth is troposphere. Formation of clouds takes place at this layer.
Olympiad Test: Natural Resources- 1 - Question 6

Air is a mixture of

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 6
Air is made up of 78.09% nitrogen, 20.95% oxygen, 0.04% carbon dioxide, water vapours and other gases in meager amounts.
Olympiad Test: Natural Resources- 1 - Question 7

The species of certain plants and animals which are present within certain region or area is called

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 7
Fauna is all of the animal life present in a particular region or time. The corresponding term for plants is flora, and for fungi, it is funga. Flora, fauna, funga and other forms of life are collectively referred to as biota.
Olympiad Test: Natural Resources- 1 - Question 8

All the elements of life support system are

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 8
All the elements of life support system are inter-related, inter-dependent, inter-connected.
Olympiad Test: Natural Resources- 1 - Question 9

Biosphere occurs

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 9
Environment consist of mainly four components- atmosphere, lithosphere, hydrosphere and biosphere.

Atmosphere consists of air and gas molecules. Lithosphere is the mantle of rocks constituting the earths crust. It is the solid component of the earth, which includes soil, earth, rocks and mountains etc. Hydrosphere consists of water bodies found on, under and over the surface of a planet. And biosphere is formed by the living organisms and it is the sum of all ecosystem.

Olympiad Test: Natural Resources- 1 - Question 10

The term used to identify the living components of the environment is

Detailed Solution for Olympiad Test: Natural Resources- 1 - Question 10

The living organisms in the environment like plants and animals including human beings are called biotic components.

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