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World of Energy MCQ

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World of Energy MCQ. We covered all the World of Energy MCQ in this post for free so that you can practice well for the exam.

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MCQ on World of Energy

Net primary productivity in plants is

1. rate of organic matter produced in plant

2. rate of use of solar energy

3. rate of storage of organic matter in plants

4. rate of growth of herbivore due to addition of organic matter

Option 3 – rate of storage of organic matter in plants

Biomass is the total amount of

1. dry mass produced in an ecosystem

2. food produced in an ecosystem

3. energy accumulated by the organism

4. energy expanded by the organisms

Option 1 – dry mass produced in an ecosystem

Which of the following is not associated with the UNO?

(A) ILO

(B) WHO

(C) Security Council

(D) ASEAN

Show Answer

Fire wood crisis can be overcome by

1. increasing wastelands

2. increasing agricultural land

3. reclaiming wastelands

4. energy plantations

Option 4 – energy plantations

One of the following is not useful as fuel yielding plant in wastelands

1. Subabul

2. Eucalyptus

3. Avicinea

4. Casuarina

Option 3 – Avicinea

The International Court of Justice is located at?

(A) Geneva

(B) Hague

(C) Amsterdam

(D) Vienna

Show Answer

The factors which contribute for social forestry are

1. local people and labour

2. solar energy and idle land

3. water resources

4. all of these

Option 4 – all of these

Biogas is produced from organic wastes by

1. aerobic fermentation

2. anaerobic fermentation

3. direct burning

4. slow burning

Option 2 – anaerobic fermentation

In which system, electrical potentials are generated

1. nervous system

2. respiratory system

3. circulatory system

4. digestive system

Option 1 – nervous system

The energy yield from one gram of carbohydrate is

1. 2 kcal

2. 3 kcal

3. 4 kcal

4. 9 kcal

Option 4 – 4 kcal

The energy yield from one gram of fats is

1. 9 kcal

2. 3 kcal

3. 2 kcal

4. 6 kcal

Option 1 – 9 kcal

Carnivores cannot digest

1. shells

2. feathers

3. hoofs

4. all

Option 4 – all

The daily requirement of fire wood for domestic use is estimated to be about

1. 3 kilograms

2. 11 kilograms

3. 25 kilograms

4. none

Option 1 – 3 kilograms

One of the following things help to reduce falling of trees

1. small plants

2. weeds

3. wood

4. none

Option 2 – weeds

Biogas consists of

1. -50 to 70% of methane

2. 10-20% of methane

3. 15-30% of methane

4. 25-30% of methane

Option 1 – -50 to 70% of methane

1 kilogram of cow dung gives

1. 200 cc of biogas

2. 2000 cc of biogas

3. 100 cc of biogas

4. 1500 cc of biogas

Option 1 – 200 cc of biogas

The number of stages in which biogas produced is

1. 2

2. 3

3. 4

4. 6

Option 2 – 3

The accumulated hydrocarbons in algae are

1. alkanes

2. alkenes

3. alkynes

4. none

Option 2 – alkenes

Plant containing petroleum products is

1. Casuarina

2. Eucalyptus

3. Calotropis procera

4. Lecucina

Option 3 – Calotropis procera

Synthesis of new molecules in a cell requires the following energy

1. mechanical

2. electrical

3. ATP

4. heat

Option 3 – ATP

Energy in the small particles of light is a kind of

1. bond energy

2. chemical energy

3. thermal energy

4. electromagnetic radiation

Option 4 – electromagnetic radiation

During energy transformation from one form to another the final level of energy will be original energy

1. same as

2. less than

3. more than

4. equal to

Option 2 – less than

Maintenance of cell organelles, cells and organs is ……… process

1. energy consuming

2. energy releasing

3. mechanical

4. thermal

Option 1 – energy consuming

Basal metabolic rate of an organism varies with the following

1. environment

2. body temperature

3. hormonal status

4. all of these

Option 4 – all of these

The basal metabolic rate of a mouse is higher than an elephant because

1. Mouse is more active

2. elephant is active

3. mouse body surface is more to its body weight

4. elephant body surface is more to its body weight

Option 3 – mouse body surface is more to its body weight

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