Free Infrastructure 01 Practice Test - 12th Grade - Commerce 

Question 1

In which of these systems does the ownership of the facility lie with the private enterprise?

A.

BOT

B.

BOO

C.

BOLT

D.

LDO

SOLUTION

Solution : B

In the BOO (Build. Own. Operate) system, the ownership of the facility lies with the private enterprise.

Question 2

Coal and petroleum are examples of ___ sources of energy.

SOLUTION

Solution :

Coal and petroleum are examples of non-renewable sources of energy.

Question 3

Commercial consumption takes up about ___ percent of the total energy consumed in India.

SOLUTION

Solution :

Commercial consumption takes up about 65 percent of the total energy consumed in India.

Question 4

What percentage of India's commercial energy requirement is satisfied by coal?

A.

20%

B.

35%

C.

50%

D.

60%

SOLUTION

Solution : C

Almost 50% of India's commercial energy requirement is satisfied by coal.

Question 5

Hydroelectricity accounts for what percentage of India's commercial energy use?

A.

< 5%

B.

10%

C.

20%

D.

30%

SOLUTION

Solution : A

Hydroelectricity accounts for less than 5 percentage of India's commercial energy use.

Question 6

Which of the following is a non-conventional source of energy?

A.

Coal

B.

Petroleum

C.

Wind

D.

Hydropower

SOLUTION

Solution : C

Wind energy is a non-conventional source of energy.

Question 7

Solar energy is a ________ source of energy.

A.

non-conventional and non-renewable

B.

non-conventional and renewable

C.

conventional and non-renewable

D.

conventional and renewable

SOLUTION

Solution : B

Solar energy is a non-conventional and renewable source of energy.

Question 8

India has a huge potential for tidal, wind and solar energy. State true or false.

A.

True

B.

False

SOLUTION

Solution : A

Being a tropical country, India has a huge potential for tidal, wind and solar energy.

Question 9

Tap water availability is limited to only _____ percent of rural households. 

A.

40

B.

24

C.

60

D.

76

SOLUTION

Solution : B

Tap water is available in only around 24% of rural households. 

Question 10

The propensity to fall sick and the tendency to be temporarily disabled is called ___ .

SOLUTION

Solution :

Morbidity indicates one's propensity to fall ill. 

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