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.

Which treaty guarantees that the Antarctic should be left open for all the nations for the scientific and other peaceful pursuits?

A. Antarctic Treaty
B. Convention on the conservation of Artic Marine Living Resources
C. CCAMLR
D. All of these
Answer» B. Convention on the conservation of Artic Marine Living Resources
2.

Decentralised Energy Systems India Private Limited, has initiated power projects of about

A. 200Kw Capacity
B. 400Kw Capacity
C. 700Kw Capacity
D. 100Kw Capacity
Answer» E.
3.

Biomass fuel examples are:

A. Wood
B. Gold
C. Metals
D. Solids
Answer» B. Gold
4.

Waste decay with passage of time, produces

A. Carbon dioxide and Methane
B. Nitrogen
C. Argon
D. Oxygen and Nitrogen
Answer» B. Nitrogen
5.

Waste incineration produces

A. Pollutants
B. GHGs
C. Aerosols
D. Solid waste
Answer» C. Aerosols
6.

Biogas is used for cooking, also replaces burning of

A. Coal
B. Natural Firewood
C. Methane Gas
D. Wood
Answer» C. Methane Gas
7.

How many kinds of biomass is produced by sugarcane production?

A. Three
B. Four
C. Two
D. Six
Answer» B. Four
8.

In 1993, Uppsala city started using energy from

A. Waste Incineration
B. Nuclear Energy
C. Solar Energy
D. Wind Energy
Answer» B. Nuclear Energy
9.

Traditional biomass includes fuelwood, dung, and

A. Fuel wood
B. Rice Husks
C. Coal
D. Both a and b
Answer» E.
10.

Biomass as a source of energy is used in

A. Developing countries
B. Developed countries
C. Prograssive countries
D. Industrialized countries
Answer» B. Developed countries
11.

Bacterial fermentation of wet waste produces

A. Coal
B. Biogas
C. Solar Energy
D. Wind Energy
Answer» C. Solar Energy
12.

Electricity consumption can be reduced potentially by appliances used in:

A. Demostic and Commercial buildings
B. Industries and consrtruction areas
C. Campanies and Shops
D. Residential areas and factories
Answer» B. Industries and consrtruction areas
13.

Oil, gas, uranium and wind energy are:

A. Primary Energy
B. Secondary Energy
C. Tertiery Energy
D. Triple energizer
Answer» B. Secondary Energy
14.

Compact fluorescent light (CFL) bulb that requires: less are as bright as ordinary

A. Medium energy
B. High energy
C. Less energy
D. efficient energy systems
Answer» D. efficient energy systems
15.

'LED' stands for

A. Light Economic Development
B. Lead Emitting Diodes
C. light Emitting Diodes
D. Light Ecological Developments
Answer» D. Light Ecological Developments
16.

An average annual, total installed world PV capacity increases

A. 90% per year
B. 60% per year
C. 30% per year
D. 20 per year
Answer» C. 30% per year
17.

What is average speed of wind in Fair Isle?

A. over 90 m/s
B. over 89 m/s
C. over 8 m/s
D. over 9 m/s
Answer» D. over 9 m/s
18.

On a site with an average wind speed of about 7.5 ms?1, generating power approximately

A. 300kW
B. 250 kW
C. 400kW
D. 900kW
Answer» C. 400kW
19.

In which layer the highest concentration of ozone is present?

A. Stratosphere
B. Thermosphere
C. Troposphere
D. All of these
Answer» B. Thermosphere
20.

Which country produced 57.0 million tones of nuclear energy?

A. Japan
B. USA
C. France
D. South Korea
Answer» D. South Korea
21.

What is called the envelope of gases wrapped around the earth?

A. Atmosphere
B. Hydrosphere
C. Lithosphere
D. Biosphere
Answer» B. Hydrosphere
22.

Which country produced 36.9 million tones of nuclear energy?

A. Russia
B. Japan
C. Pakistan
D. India
Answer» B. Japan
23.

What are the effects of smog on soil?

A. Reduce the productivity of Crops/Killing Trees
B. loss of Soil fertility/ Salinization
C. Loss of Nutrients from the Soil
D. Soil becomes desert
Answer» B. loss of Soil fertility/ Salinization
24.

Wind turbines produce

A. Air pollution
B. Water pollution
C. Nuclear Pollution
D. Noise Pollution
Answer» E.
25.

Which country has the highest HEP production in 2007?

A. China
B. Japan
C. Pakistan
D. India
Answer» B. Japan
26.

What generates little world trade?

A. Natural Gas
B. Nuclear Energy
C. Oil
D. Gas
Answer» C. Oil
27.

The percentage of carbon dioxide is tiny but its importance is

A. Enormous
B. Little
C. Huge
D. None of these
Answer» B. Little
28.

Oil and gas are commonly found in an unfold in the rocks, is known as

A. Anticline oil trap
B. Unfold oil trap
C. Oil trap
D. Trapping
Answer» B. Unfold oil trap
29.

MWF stands for

A. Maountain Wild life Foundation
B. Mauritain Wild life Forum
C. Mauritain Wind Foundation
D. Mauritain Wild life Foundation
Answer» E.
30.

In which country the Kirthar National Park, have disturbed the wildlife

A. Pakistan
B. India
C. Sirlanka
D. China
Answer» B. India
31.

Which energy source is expensive and used in small scales?

A. Solar energy
B. Wind energy
C. Hydro-energy
D. Geothermal Energy
Answer» B. Wind energy
32.

' World Energy Council' (WEC) is:

A. Non Governmental Organisation
B. Governmental Organisation
C. Semi Governmental Organization
D. State agency
Answer» B. Governmental Organisation
33.

Rate of power generation in a wind speed:

A. 12 ms mph
B. 32 ms mph
C. 52 ms mph
D. 62 ms mph
Answer» B. 32 ms mph
34.

Fuel cells having efficiency, ranges from

A. 40-80%
B. 30-80%
C. 10-80%
D. 40-100%
Answer» B. 30-80%
35.

Saudi Arabia, Iran, Iraq, UAE and Kuwait are the world's top producing of

A. Natural Gas
B. Oil
C. Coal
D. Nuclear Energy
Answer» C. Coal
36.

'silicon photovoltaic' solar cell consists of a thin slice of:

A. Cell
B. Metal
C. Silicon
D. Ions
Answer» D. Ions
37.

British Petroleum' has set up a carbon emission

A. Energy System
B. Efficeincy system
C. Transport System
D. Trading system
Answer» E.
38.

The fermented or distilled product of crops are used in

A. Diesel Engines
B. Petrol Engines
C. Industries
D. Machines
Answer» C. Industries
39.

The stratosphere above is

A. Dust Free
B. Cloudless
C. Dust Free and Cloudless
D. None of these
Answer» D. None of these
40.

What are the causes of high level of ozone?

A. Use of chemicals i.e. CFCs and Halons
B. Fossil Fuel
C. Coals
D. High Temperature
Answer» B. Fossil Fuel
41.

Pipelines break and oil seeps into the ground, causing

A. Land pollution
B. Oil spillage
C. water Pollution
D. Air Pollution
Answer» B. Oil spillage
42.

What are the disadvantages of wind energy?

A. Birds Death/ Noise Pollution
B. Visual and Noise Pollution/ Birds Deaths
C. Bad TV and Radio Receptions/Visual and Noise Pollution/Birds Death
D. Noise Pollution/ Bad signals of TV
Answer» D. Noise Pollution/ Bad signals of TV
43.

Sunlight can be converted directly into electricity by means of

A. Solar Plates
B. Photovoltaic Solar Cells
C. Batteries
D. Solar winds
Answer» C. Batteries
44.

Without carbon dioxide the earth would be

A. Frozen and lifeless
B. Warm
C. Hot
D. Extremely Hot
Answer» B. Warm
45.

Why companies find it difficult to generates electricity from wind energy?

A. Because It is intermittent
B. Because It is continous
C. Because It is cost efficient
D. BecauseIt is not reliable
Answer» B. Because It is continous
46.

Wind energy denotes to the:

A. Kinetic energy
B. Mechanical energy
C. Potential energy
D. Thermal energy
Answer» B. Mechanical energy
47.

What is the black rock, which gives out heat when burnt?

A. Coal
B. carbon
C. Fuel
D. Granite
Answer» B. carbon
48.

20 Watt compact 'fluorescent bulb' is equivalent to a 100-W ordinary

A. incandescent light bulb
B. Bright light bulb
C. Simple light bulb
D. All of them
Answer» B. Bright light bulb
49.

Estuaries in world, considers as a potential sites for:

A. Tidal Energy Installation
B. Wind Energy
C. Hyro energy
D. Nuclear energy
Answer» B. Wind Energy
50.

Prevention of heat loss from the surface by the method of conservation is known as

A. Insulation
B. Insolation
C. Both a and b
D. None of these
Answer» B. Insolation