Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What are the example of renewable energy?

A. Solar Energy
B. Wind Energy
C. wave Energy
D. All of these
Answer» E.
2.

Largest tidal energy installation is in estuary at

A. Paris
B. London
C. La Rance in France
D. Canada
Answer» D. Canada
3.

In which sector 'GHGs' emisions are growing rapidly?

A. Industrial sector
B. Commercial areas
C. Heating sector
D. Transportation sector
Answer» E.
4.

What produces a small electric current, when heated by sun

A. Insulation
B. Photovoltaic cells
C. Semi conductive Materials
D. All of these
Answer» C. Semi conductive Materials
5.

Finding new and better alternatives requires

A. New Technology
B. New energy sources
C. New equipments
D. New ways
Answer» B. New energy sources
6.

Heat from the light of the sun using solar panels and photovoltaic cells are known as

A. Solar energy
B. Wind energy
C. Hydro-energy
D. Renewable energy
Answer» B. Wind energy
7.

What health problems can be caused by smog?

A. Asthma/Cancer/Lung disease
B. Bronchitis/skin infections/T.B
C. Asthma/Bronchitis/Other respirative problems
D. Lung cancer/T.B/Infections
Answer» D. Lung cancer/T.B/Infections
8.

Low income per head is the characteristics of which countries?

A. Developing countries
B. Developed countries
C. Underdeveloped countries
D. none
Answer» B. Developed countries
9.

Using fuel wood, crop wastes and animal dung as a fuel is known as

A. Biomass Energy
B. solar energy
C. Wind energy
D. Hydro-Energy
Answer» B. solar energy
10.

Solar panels are built of cells of

A. Semi conductive Materials
B. Conductive Materials
C. Both a and b
D. None of these
Answer» B. Conductive Materials
11.

High income per head is the characteristics of which countries?

A. Developing countries
B. Underdeveloped countries
C. Developing countries
D. Developed countries
Answer» E.
12.

Which microorganism breakdown the dead materials in the soil and make it available for the plants to reuse?

A. Microorganism
B. Herbivores
C. Consumers
D. Omnivores
Answer» B. Herbivores
13.

What does help in saving sudstantial energy in buildings?

A. Appliances efficiency
B. Improved insulation
C. Maintanence
D. Both a and b
Answer» E.
14.

Environmental consequences of hydropower, includes:

A. Sedimentation
B. loss of land and species
C. Fishes
D. Minerals
Answer» B. loss of land and species
15.

Hydrogen for fuel cells can be generated from a wide variety of

A. Non Renewable Energy
B. Renewable Energy
C. Coals
D. Fossil fuels
Answer» C. Coals
16.

Denmark, Italy and Japan, having lowest:

A. Consumption rate
B. Energy Intensity
C. Production run
D. Utilization percentage
Answer» C. Production run
17.

What are the causes of reducing water vapor returned to the atmosphere?

A. Global Warming
B. Less plant Species in the environment and more deserts
C. Deforestation/More Bare Surfaces/Reducing evapo-transpiration
D. Filtration/Reducing evapo-transpiration
Answer» D. Filtration/Reducing evapo-transpiration
18.

Many cells together can produce a workable amount of electricity that is stored in the batteries for use a

A. Home
B. Buildings
C. Night
D. Day
Answer» D. Day
19.

When tarbela dam was built in Pakistan?

A. 1976
B. 1970
C. 1974
D. 1984
Answer» B. 1970
20.

Since 1970, USA number of motor vehicles has grown at average rate of

A. 3.5% per year
B. 5.5% per year
C. 2.5% per year
D. 8.5% per year
Answer» D. 8.5% per year
21.

The water vapor percentage by volume can be as little as 0.20 in

A. Tropical Areas
B. Deserts
C. Poles
D. Mountains
Answer» C. Poles
22.

About one-third of primary energy comsumed in:

A. Industrial sector
B. Residential sector
C. Commercial area
D. Residential building
Answer» B. Residential sector
23.

In which country the biogas use was pioneered in 1950s?

A. Pakistan
B. India
C. china
D. USA
Answer» C. china
24.

What are the direct effects of reducing the water vapors returned to the atmosphere?

A. Less clouds formation and precipitation in areas already short of water/More Droughts
B. More likely of droughts and Famines
C. Less rain and more droughts
D. Formation of deserts and loss of top soil
Answer» B. More likely of droughts and Famines
25.

What percent of heat is reflected by the surface of earth?

A. 3%
B. 6%
C. 4%
D. 7%
Answer» C. 4%
26.

An increasing number of turbines are being placed offshore, partly to take advantage of stronger

A. Sea
B. waves
C. Winds
D. Oceans
Answer» D. Oceans
27.

Five of the world's top fourteen oil producing countries are located in

A. Middle East
B. USA
C. Canada
D. Russia
Answer» B. USA
28.

What are the direct effects of carbondioxides ?

A. Heat up the atmosphere and Global Warming
B. Causes global warming
C. Increase amount of pollutants in the atmosphere
D. Traps Heat
Answer» B. Causes global warming
29.

In Iceland, first hydrogen fuel station was opened in:

A. May, 2003
B. June, 2003
C. March, 2003
D. April, 2003
Answer» E.
30.

Force of sea waves as they break against the coastline is known as

A. Solar energy
B. Wind energy
C. Wave energy
D. Renewable energy
Answer» D. Renewable energy
31.

The big hope for future energy is

A. Hydrogen
B. Silicon
C. Coal
D. Geothermal Energy
Answer» B. Silicon
32.

Which country produced 192 million tones of nuclear energy?

A. USA
B. Canada
C. Mexico
D. Japan
Answer» B. Canada
33.

Wind farms are built in the

A. Windiest sites
B. Plan Area
C. Mountains areas
D. Coastal Areas
Answer» B. Plan Area
34.

How nuclear energy is produced?

A. Fission
B. Fusion
C. Reaction
D. Combustion
Answer» B. Fusion
35.

The long wavelength is readily absorbed by

A. Water vapors
B. Water droplets
C. Carbon dioxide
D. All of these
Answer» E.
36.

In national parks, tourist must be issued with

A. Necessary items
B. Code of Conduct
C. Guns for hunting
D. All of these
Answer» C. Guns for hunting
37.

What percent of world's commercial need of energy is covered by water power?

A. 6%
B. 5%
C. 2%
D. 9%
Answer» B. 5%
38.

Greater density of sea water, resulting in higher:

A. Water density
B. Energy density
C. Nutrient density
D. Potential capability
Answer» C. Nutrient density
39.

A resource that is replaced naturally, it never runs out is known as

A. Solar energy
B. non-renewable
C. Renewable energy
D. wind energy
Answer» D. wind energy
40.

Social impact of large hydro power, involved

A. Migration of population from urban areas
B. Migration of population from reservior Site
C. Migration of population from rural areas
D. Migration of population from coastal areas
Answer» C. Migration of population from rural areas
41.

Carbon intensity commonly measured in

A. Total Weight Unit (TWU)
B. Total Mass Unit (TMU)
C. International weight unit (IWU)
D. weight of carbon per British thermal unit (BTU)
Answer» E.
42.

The longer journey through the atmosphere means

A. Less light is absorbed and reflected
B. More light is absorbed and reflected
C. Both a and b
D. None of these
Answer» D. None of these
43.

Three gorges Dam is located in which country?

A. Pakistan
B. America
C. China
D. Japan
Answer» D. Japan
44.

What is the height of wind turbine?

A. 30meter
B. 40 meter
C. 50 meter
D. 20 meter
Answer» B. 40 meter
45.

Using tall turbines driven by the force of wind is known as

A. Wind Energy
B. Wave Energy
C. Solar energy
D. Geothermal Energy
Answer» B. Wave Energy
46.

Windiest sites are found in

A. Southern Europe
B. Eastern Europe
C. Western Europe
D. Northern Europe
Answer» D. Northern Europe
47.

The cost of producing biofuel is how many times more than fossil fuels?

A. 2
B. 4
C. 5
D. 6
Answer» C. 5
48.

Which estuary possesses one of largest tidal ranges?

A. Thames Estuary
B. Severn Estuary, UK
C. Columbia River Estuary
D. Taz Estuary
Answer» C. Columbia River Estuary
49.

Almost 1.1 million, solar home system and solar lanterns, installed in Asia and

A. South American Countries
B. North America
C. Middle East
D. Western Australia
Answer» B. North America
50.

Ethanol is produced from

A. Sugarcane
B. Vegetables
C. Fruits
D. Honey
Answer» B. Vegetables