Man and his Environment MCQs Of Biology 2nd Year Chapter 27. Multiple choice questions (MCO’s) (From Previous Board Papers 2014-2015-2016-2017-2018, 2019, 2020, 2021, 2022, 2023). Including important long questions of Biology 2nd year chapter 27. Answer keys are given with these MCQs.
Man and his Environment MCQs
Man and his Environment
In the ocean of tropical regions, the temperature of surface water is about: (LHR. GRW. 2014
(A) S°C
(B) -5°C
(C) 25°C
(D) Weather
A treasure of all types of resources essential to maintaining life on earth: (SWL GI, 2016 MRWP.247,
The Nuclear power station can last only for about: (BWP. GI, 2016)(SGD. 2017
(A) Water
C) Land
(B) Environment
(D) None of these
The air in motion is called: (BWP, GI, 2014)(SWL 2013,
(A) Atmosphere
(B) Wind
About 95% of our daily energy requirements are fulfilled by: (SGD. GI, 2015
(A) Nuclear Energy
(B) Hydroelectric Power
(C) Geothermal Energy
(D Fossil Fuels
Which of the following is a renewable source? (FBD. GI, 2015
(A) Oil and Air
(B) Water and Oil
(C) Oil and Natural Gas
(D) Air and Water
The upper layer of the earth’s crust is: (SWL. GI, RWP. GI,2017
(A) Rock
(B) Sand
(C) Soil
(D) Clay
The main reason for the extinction of species is: (LHR. GI, 2017
(A) Population
(B) Overpopulation
C) Habitat Destruction
(D) Parasitism
Species that are in imminent danger of extinction throughout their range is called: (SGD. G1, 2017
(A) Scare species
(B) Threatened species
(C) Rare species
(D) Endangered species
At the time of independence, the population of Pakistan was about: (GRW.GI, FBD. GI. 2014/SGD. GI, 2016
(A) 32.5 million
(B) 50 million
(C) 150 million
(D) 180 million
The study of Human Populations and the things that affect them, is called: (SGD. GI, 2014)(LHR. GII, 2015)(DGK. GI, 2016)(RWP. GIL, 2017
(A) Human Biology
(B) Sociobiology
(C) Demography
(D) Teratology
The world population is expected to be nearly doubled by: (BWP. GI, 2017
(A) 2020
(B) 2030
(C) 2040
(D) 2050
Which of the following act as an environmental buffer? (SWL. GI, DGK. GII, 2014,(LHR. GII, 2016
(A) Desert
(B) Grassland
(D) Forest
The establishment of new forests, where no forests existed before is called: (MLN. GI, DGK. GI, 2015
(A) Deforestation
(B) Desertification
(C) Reforestation
(D) Afforestation
The decline in the thickness of the ozone layer is caused by increasing levels of: (DGK. GI, 2016) (RWP. G1, 2017
A) Chlorofluorocarbon
(B) Nitrogen
(C) Chlorine
(D) Carbon Dioxide
CFCs are produced by: (LHR. GI, 2017
(A) Moving carts
(C) Air Conditioners
Ozone in the upper layer of atmosphere that filters: (MLN. GI, 2016SWL GI. 2017
(A) IR radiation
(B) UV radiation
(C) B radiation
(D) Radiation
The ozone molecule is made up by binding of three atoms of: (MLN. GI, 2018
(A) Nitrogen
(B) Oxygen
(C) Fluorine
Some detergents contain a lot of: (FBD. GI, 2016)
(A) Sulphur
(B) Carbon
C) Phosphate
(D) Carbonates
As CFCs rise to the atmosphere, the ultraviolet rays release: (RWP. GI, 2014)
(A) Chlorine
(B) Carbon
(C) Oxygen
The total area of the world under cultivation is: (MLN, GI, 2014)(FBD. GI, 2017)
A) 09%
(B) 10%
(C) 11%
(D) 12%
The Befouling of the air by anything that may be harmful to living organisms is: (DGK. GI, 2014)
(A) Water pollution
(B) Soil Pollution
(C) Air Pollution
(D) Noise Pollution
Stone cancer is the result of: (LHR. GI, 2015)
(A) Soil pollution
(B) Water Pollution
(C) Air Pollution
(D) Stone Pollution
The steady internal state of homeostasis is known as: (GRW. GII, 2015)
(A) Disorder
(B) Disease
Normal Health
(D) Abnormal Health
Man and his Environment MCQs
In pure form. Ozone is: (SGD. GI, 2015)(GRW.2018)
(A) Greenish
(B) Reddish
(C) Yellowish
(D) Bluish
Water present in the form of Frozen ice – caps is: (BWP. GI, 2015)
(A) 01%
(B) 02%
(C) 03%
(D) 04%
A chemical that kills weed plants is called: (DGK. GII, 2015)
(A) Pesticide
(B) Insecticide
(C) Fungicide
(D) Herbicide
The percentage of land under cultivation is: (LHR. GII, 2017)
(A) 30%
(B) 21%
(C) 11%
(D) 5%
A single chlorine atom can react with ultraviolet rays and destroy as many as ozone
molecules: (LHR. GII, MLN, 2018)
A One million
(B) Two million
(C) One billion
(D) Two billion
Water present in form of frozen ice caps is: (FSD. 2018)
(A) 1%
(B 2%
(C) 3%
(D) 4%
Man and his Environment MCQs
Long Questions Unit 27 From Past Papers
Write a note on Fossil Fuels. (MLN. GI, 2016
Describe air and water as renewable resources. (AJK. GI, 2016
What are Renewable Resources Explain any two of them? (GRW. GII, 2015)(MIN, G1, 2017
Briefly discuss sources of energy. (SGD, GI, 2014)(SGD. GI, 2015)
Write a note on wildlife and fossil fuels. (LIR. GII, RWP. GI, LIIR. GI. 2014)(SGD. GI, LIR. GII, 2016)(MLN. 2018)
Write a short note on modification of the environment. (DGK. GI, 2014)
Write an explanatory note on Degradation and Depletion of Resources. (DGR. GII, RWP. GI & GII, 2017)
Write down a comprehensive note on the ozone layer and ozone layer depletion. (GRW, G1, 2014)(FBD, GI, 2015|LIIR. GI, 2016)(FBD. GI, 2017)
Describe the importance of forests? (MLN.GI, 2014)(RWP. GI, BWP. GI, 2016)(GRW. GII, LIIR. GII, 2017)(SWL 2018)
Differentiate between Deforestation and aforestation? Give the importance of forests. (FBD. GI, 2014)(SWL. GI, SGD. GI, 2017)
What is global warming? Give the role of the greenhouse effect in global warming?
Explain the phenomenon of Eutrophication. (LHR. GI, 2015)(BWP, AJK, 2018)
What do you know about the greenhouse effect? (BWP. GI, 2014)(SGD. GI, MLN. GI, AJK, GI, DGK. GI & GII, 2015)(FBD. GI, 2016)
Differentiate between insecticide and pesticide in food? (GRW. GI, GRW. GI, 2015)
What is Acid Rain? Explain its effects on the Environment? (BWP. GI, 2015)(GRW. GI, 2016)
Explain Green House Effect and Acid Rain. (DGK. GI, 2014)(DGK. G1, 2017)
Describe the causes and effects of Acid Rain. (SWL. GI, 2014)
Write a note on Algal Bloom or Eutrophication. (MLN. GI, BWP, GI, 2017)
Define Pollution. Explain water pollution. (AJK. GI, 2017)
Describe wildlife as renewable resources. (LHR. GII, 2018)
Write a note on the greenhouse effect. (GRW. 2018)
Write a note on the degradation and depletion of resources. (FBD. 2018)
Explain the greenhouse effect. Its causes and effect on the environment.
What are non-renewable resources and explain their two types only?