Environmental Issues Test

Question 1
4 / -1

Match column I with column II and select the correct option from the given codes.

A
A−(ii), B−(iv), C−(v), D−(i), E−(iii)

B
A−(iv), B−(v), C−(ii), D−(i), E−(iii)

C
A−(iv), B−(v), C−(iii), D−(ii), E−(i)

D
A−(ii), B−(v), C−(iv), D−(i), E−(iii)

Question 2
4 / -1

Polyblend is

A
a mixture of two different types of plastics

B
a fine powder of recycled modified plastic

C
a blend of plastic and bitumen

D
none of these

Question 3
4 / -1

Read the following statements and select the correct ones.
(i) Ahmed Khan, a plastic sack manufactturer of Bangalore, in 1998, developed polyblend, a fine powder of recycled modified plastic.
(ii) In collaboration with RV College of Engineering and Bangalore City Corporation, he proved that the mixture of polyblend and bitumen was better for road carpeting as it had better water repellent property.
(iii) By 2002, more than 40 km roads of Bangalore were laid with the help of Khan's mixture
(iv) Rag pickers who used to get 0.40 per kg of plastic waste started getting 6.00 from Ahmed Khan.
(v) INnovation like polyblend might help the modern society from being smothered with plastic waste.

A
(i), (ii) and (iii)

B
(ii), (iv) and (v)

C
(iii), (iv) and (v)

D
All of these

Question 4
4 / -1

Some statements are given below each with one or two blanks. Select the option that correctly fills up the blanks.
(i) High concentration of DDT disturbs ____ in birds, which causes ____.
(ii) ____ burns more efficiently as compared to petrol and diesel.
(iii) ___ is the natural ageing of a lake which occurs due to accumulation of ____.
(iv) ______ reduces the number of organisms which are sensitive to high temperature.
(v) Irreparable computers and other electronic goods are known as ____.

A
(i) calcium metabolism, thinning of egg shell (ii) CNG (iii) Eutrophication, nitrates and phosphates (iv) Thermal wastewater (v) electronic waste

B
(i) protein metabolism, thickening of egg shell (ii) CNG (iii) Eutrophication, nitrates and phosphates (iv) Thermal wastewater (v) electronic waste

C
(i) calcium metabolism, thinning of egg shell (ii) Coal (iii) Biomagnification, nitrates and phosphates (iv) Organic wastewater (v) inorganic waste

D
(i) calcium metabolism, thickening of egg shell (ii) CNG (iii) Biomagnification, DDT and mercury (iv) Thermal wastewater (v) electronic waste

Question 5
4 / -1

Read the given statements and select the correct option.
Statement 1: Open landfilling refers to the throwing waste on an uncovered area, which is periodically burnt or compressed.
Statement 2: In sanitary landfilling, the waste is compacted and covered by layer of dirt.

A
Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1

B
Both statements 1 and 2 are correct and statement 2 is not the correct explanation of statement 1

C
Statement 1 is correct and statement 2 in incorrect

D
Both statements 1 and 2 are incorrect

Question 6
4 / -1

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by

A
storing them in underground storage tanks

B
using them for producing biogas

C
vermiculture

D
using them directly as biofertilizers

Question 7
4 / -1

The effect of today's radioactive fallout will probably be more harmful to children of future generation than to present day children because

A
infants are more susceptible to radiations

B
susceptibility to radiations increase with age

C
mutated genes are usually recessive

D
all of these

Question 8
4 / -1

Which of the following isotopes is most dangerous to human beings?

A
Phosphorus-32

B
Strontium-90

C
Caesium -137

D
Iodine-131

Question 9
4 / -1

Which of the following statements is correct?

A
There are working 'EcoSan' toilets in many areas of Kerala and Sri Lanka.

B
Municipal solid wastes are wastes from homes, offices, stores, schools, hospitals, etc., that are collected and disposed by the municipality.

C
In a sanitary landfill, wastes are dumped in a depression or trench after compaction and covered with dirt everyday.

D
All of these.

Question 10
4 / -1

Select the correct statement out of the following.

A
Electrostatic precipitators (ESPs) can remove over 99 % particulate matter present in the exhaust from a thermal power plant.

B
Over half of the e-wastes generated in developed countries are exported to developing countries, mainluy to China, India and Pakistan, where metals like Cu, Fe, Si Ni, etc., are recovered during recycling process.

C
Use of nuclear energy has two very serious inherent problems first is accidental leakage and the second is safe disposal of radioactive wastes.

D
All of these.

Submit Test

Environmental I...

Question 1

A−(ii), B−(iv), C−(v), D−(i), E−(iii)

A−(iv), B−(v), C−(ii), D−(i), E−(iii)

A−(iv), B−(v), C−(iii), D−(ii), E−(i)

A−(ii), B−(v), C−(iv), D−(i), E−(iii)

Question 2

a mixture of two different types of plastics

a fine powder of recycled modified plastic

a blend of plastic and bitumen

none of these

Question 3

(i), (ii) and (iii)

(ii), (iv) and (v)

(iii), (iv) and (v)

All of these

Question 4

(i) calcium metabolism, thinning of egg shell (ii) CNG (iii) Eutrophication, nitrates and phosphates (iv) Thermal wastewater (v) electronic waste

(i) protein metabolism, thickening of egg shell (ii) CNG (iii) Eutrophication, nitrates and phosphates (iv) Thermal wastewater (v) electronic waste

(i) calcium metabolism, thinning of egg shell (ii) Coal (iii) Biomagnification, nitrates and phosphates (iv) Organic wastewater (v) inorganic waste

(i) calcium metabolism, thickening of egg shell (ii) CNG (iii) Biomagnification, DDT and mercury (iv) Thermal wastewater (v) electronic waste

Question 5

Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1

Both statements 1 and 2 are correct and statement 2 is not the correct explanation of statement 1

Statement 1 is correct and statement 2 in incorrect

Both statements 1 and 2 are incorrect

Question 6

storing them in underground storage tanks

using them for producing biogas

vermiculture

using them directly as biofertilizers

Question 7

infants are more susceptible to radiations

susceptibility to radiations increase with age

mutated genes are usually recessive

all of these

Question 8

Phosphorus-32

Strontium-90

Caesium -137

Iodine-131

Question 9

There are working 'EcoSan' toilets in many areas of Kerala and Sri Lanka.

Municipal solid wastes are wastes from homes, offices, stores, schools, hospitals, etc., that are collected and disposed by the municipality.

In a sanitary landfill, wastes are dumped in a depression or trench after compaction and covered with dirt everyday.

All of these.

Question 10

Electrostatic precipitators (ESPs) can remove over 99 % particulate matter present in the exhaust from a thermal power plant.

Over half of the e-wastes generated in developed countries are exported to developing countries, mainluy to China, India and Pakistan, where metals like Cu, Fe, Si Ni, etc., are recovered during recycling process.

Use of nuclear energy has two very serious inherent problems first is accidental leakage and the second is safe disposal of radioactive wastes.

All of these.

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