Environmental Science (3110007) MCQs

MCQs of Introduction of Environment

Showing 71 to 80 out of 131 Questions
5 6 7 8 9 10
71.
Which of the following is not a method for water conservation.
(a) Rain water harvesting.
(b) Improving irrigation efficiency
(c) Avoiding wastage of water
(d) Ground water extraction.
Answer:

Option (d)

72.
Automobile Exhaust consists of _______
(a) Hydrocarbons, carbon monoxide and nitric oxide.
(b) Lead vapour
(c) Sulphur dioxide.
(d) Carbon dioxide
Answer:

Option (a)

73.
Sunlight may be converted into electricity through ______
(a) galvanic cell
(b) carbon electrodes
(c) photo voltic cell
(d) glass panel
Answer:

Option (c)

74.
The energy flow through the Ecosystem is _______
(a) cyclic
(b) linear and oneway
(c) both cyclic and linear
(d) linear and twoway
Answer:

Option (a)

75.
Sex ratio is defined as _____
(a) Nos. of female per 1000 male
(b) Nos. of female per 100 male
(c) Nos. of male per 1000 female
(d) Nos. of male per 100 female
Answer:

Option (a)

76.
In cyclone separators which force is utilized to separate the particulate matter from the gas?
(a) Electrostatic force
(b) Centrifugal force
(c) Gravitational force
(d) Hydrostatic force
Answer:

Option (b)

77.
The lack of sufficient calories in available food so that one has little or no ability to move or work is known as
(a) Malnutrition
(b) Malnourishment
(c) Undernourishment
(d) All of these
Answer:

Option (c)

78.
Which of these is not a renewable energy source?
(a) Tidal energy
(b) Wind energy
(c) nuclear energy
(d) Geo thermal energy
Answer:

Option (c)

79.
Which air pollutant reduces the oxygen carrying capacity of the blood by combining with hemoglobin forming carboxy hemoglobin?
(a) CO
(b) SO2
(c) CO2
(d) N2O
Answer:

Option (a)

80.
Which disease occurs due to consumption of methyl mercury by bacterial action.
(a) Minamata
(b) fluoropyrosis
(c) cholera
(d) None of these
Answer:

Option (a)

Showing 71 to 80 out of 131 Questions
5 6 7 8 9 10