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HOTS Questions: Natural Resources


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25 Questions MCQ Test NCERT Textbooks (Class 6 to Class 12) | HOTS Questions: Natural Resources

HOTS Questions: Natural Resources for Class 9 2022 is part of NCERT Textbooks (Class 6 to Class 12) preparation. The HOTS Questions: Natural Resources questions and answers have been prepared according to the Class 9 exam syllabus.The HOTS Questions: Natural Resources MCQs are made for Class 9 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for HOTS Questions: Natural Resources below.
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HOTS Questions: Natural Resources - Question 1

A pollutant is any substance, chemical or other factor that changes natural :

HOTS Questions: Natural Resources - Question 2

The pollutant released from motor vehicles :

Detailed Solution for HOTS Questions: Natural Resources - Question 2

Among the pollutants motor vehicles produce are various sulfur oxides, nitrogen oxides, unburned hydrocarbons, carbon dioxide, carbon monoxide and particulates.

HOTS Questions: Natural Resources - Question 3

Lichens do not like to grow in cities because of :-

HOTS Questions: Natural Resources - Question 4

Carbon dioxide in atmospheric air amounts to be about :

HOTS Questions: Natural Resources - Question 5

Greenhouse effect is related to :

HOTS Questions: Natural Resources - Question 6

The greenhouse effect is due to :

HOTS Questions: Natural Resources - Question 7

Which of the following gases contributes maximum to the 'Greenhouse effect' on earth ?

Detailed Solution for HOTS Questions: Natural Resources - Question 7

Greenhouse effect can be defined as the trapping of the radiations of the sun by the atmospheric gases and the subsequents reflection on the earth’s surface causing global warming. There are many greenhouse gases like water vapour, methane, CFCs, etc. but carbon dioxide is the major concern because it has contributed to most of the Global Warming 1750 to 2011 as per IPCC data and it tends to accumulate in the atmosphere. It is released in greater amounts from the vehicular emissions, deforestation, industrial emissions etc. so it constitutes around 81% of the greenhouse gases.
Hence, the correct answer is “CO2”.
 

HOTS Questions: Natural Resources - Question 8

Which of the following is not a "Greenhouse gas" ?

Detailed Solution for HOTS Questions: Natural Resources - Question 8 Greenhouse gases that occur both naturally and from human activities include water vapor, carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O) and ozone (O3). Other greenhouse gases have essentially no natural sources, but are side products of industrial processes or manufactured for human purposes such as cleaning agents, refrigerants, and electrical insulators. These include the fluorinated gases: chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HCFCs), bromofluorocarbons (halons), perfluorcarbons, PFCs, nitrogen trifluoride, NF3, and sulfur hexafluoride, SF6. 

The one gas out of these that is not a Greenhouse Gas is SO2.
HOTS Questions: Natural Resources - Question 9

What are the chief pollutants of the atmosphere which are most likely to deplete the ozone layer ?

HOTS Questions: Natural Resources - Question 10

Formation of ozone hole is maximum over :

HOTS Questions: Natural Resources - Question 11

Which of the following is the main factor of water pollution ?

HOTS Questions: Natural Resources - Question 12

Often in water bodies subjected to sewage pollution, fishes die because of the :

HOTS Questions: Natural Resources - Question 13

Spraying of DDT on crops produces pollution of :

HOTS Questions: Natural Resources - Question 14

Soil pollution is chiefly caused due to indiscriminate use of :

Detailed Solution for HOTS Questions: Natural Resources - Question 14

Insecticide is a type of pesticide. 
Pesticides can contaminate soil, water, turf, and other vegetation. In addition to killing insects or weeds, pesticides can be toxic to a host of other organisms including birds, fish, beneficial insects, and non-target plants.

HOTS Questions: Natural Resources - Question 15

Which disease is not water borne ?

HOTS Questions: Natural Resources - Question 16

The supersonic jets cause pollution by thinning of :

HOTS Questions: Natural Resources - Question 17

Agricultural chemicals denote :

HOTS Questions: Natural Resources - Question 18

A logical sequence of carbon cycle is :-

HOTS Questions: Natural Resources - Question 19

Biogeochemical cycles are also known as :-

HOTS Questions: Natural Resources - Question 20

Which of the following is a free living nitrogen fixing bacterium present in soil ?

HOTS Questions: Natural Resources - Question 21

Foot and Mouth Disease is a highly contagious disease almost exclusive to cattle, sheep, swine, goats, and other cloven-hoofed animals. It is caused by

HOTS Questions: Natural Resources - Question 22

Agroforestry and social forestry both includes

HOTS Questions: Natural Resources - Question 23

Anthrax is a serious disease of

HOTS Questions: Natural Resources - Question 24

The IPN (Infectious Pancreatic Necrosis) and VMS (Viral Hemorrhagic Septicemia) are well known infectious diseases of

Detailed Solution for HOTS Questions: Natural Resources - Question 24

Viral diseases are severe infectious diseases which spread rapidly from one person to the other. Pancreatic necrosis (IPN) is a viral disease which occurs in salmon fish. It is mainly caused due to the premature killing of the cells in the living tissues.

Viral haemorrhagic septicemia (VHS) is a deadly infectious fish disease caused by the viral hemorrhagic septicemia virus. It afflicts over 50 species of freshwater and marine fish in several parts of the northern hemisphere.

Therefore, the correct answer is option A.

HOTS Questions: Natural Resources - Question 25

Energy flow in the ecosystem is

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