Environmental Science Mock Test

Environmental Science

🟥 Environmental Science

🟥 QUESTIONS : 25

🟥 TIME : 11 MINS

1 / 25

1) High level radioactive waste can be managed in which of the following ways?

A) Dumping in sealed containers

B) Composting

C) Incineration

D) Open dumping

2 / 25

2)

E-waste are buried in ...A... or ...B... .
Complete the given statement by choosing
appropriate option for A and B

A) A–land fills, B–incinerated

B) A–open area, B–recycle

C) A–dumping zone, B–recycle

D) A–open area, B–incinerated

3 / 25

3) Which of the following is an innovative remedy for plastic waste ?

A) Burning in the absence of oxygen

B) Burrying 500 m deep below soil surface

C) Polyblend

D) Electrostatic precipitator

4 / 25

4) A scrubber in the exhaust of a chemical industrial plant removes ____?

A) gases like Sulphur dioxide

B) particulate matter of the size 5 micrometer or above

C) gases like ozone and methane

D) particulate matter of the size 2.5 micrometer or less

5 / 25

5) Ecological sanitation is a sustainable system for handling human excreta, using dry composting toilets. Such ‘EcoSan’ toilets are working in ____?

A) West Bengal

B) Kerala and Sri Lanka

C) Andhra Pradesh and Maharashtra

D) Karnataka and Andhra Pradesh

6 / 25

6) In an area where DDT had been used extensively, the population of birds declined significantly because ____?

A) birds stopped laying eggs

B) earthworms in the area got eradicated

C) cobras were feeding exclusively on birds

D) many of the birds laid eggs that did not hatch

7 / 25

7) Rise in temperature leads to deleterious changes in environment resulting in odd climatic changes called _____?

A) global warming

B) El Nino effect

C) La Nino effect

D) greenhouse effect

8 / 25

8) Global warming can be controlled by______

A) reducing deforestation, cutting down use of fossil fuel

B) reducing reforestation, increasing the use of fossil fuel

C) increasing deforestation, slowing down the growth of human population

D) increasing deforestation, reducing efficiency of energy usage

9 / 25

9) Cleaning of waste water in Arcata Marsh involves _____?

A) only conventional method of sewage treatment

B) removal of dissolved heavy metals through biological process

C) filtration, chlorination like chemical processes

D) enhance the need for chemical fertilizers

10 / 25

10) Joint Forest Management concept was introduced in India during ?

A) 1970s

B) 1980s

C) 1990s

D) 1960s

11 / 25

11) Consider The Statements

1 Methane component of greenhouse
gases contributing to global warming is about 20%

2 Ozone layer present in the troposphere is bad ozone.

A) Both are Right

B) Both are Right

C) 1 Right 2 Wrong

12 / 25

12) Indian government recently instituted ‘Amrita Devi Bishnoi Award’. This is awarded to individuals and communities from rural areas involved in ?

A) wildlife protection and conservation

B) forest management

C) environment protection

D) tree plantation

13 / 25

13) 1] The temperature of the earth has increased by 0.6°C in last 3 decades which will lead to the change in precipitation patterns

2] This rise in temperature will lead to the increased melting of polar ice caps which will cause the rise in sea level

A) 1 & 2 Right

B) 1& 2 Wrong

C) 1 Wrong & 2 Right

D) 1 Right 2 Wrong

14 / 25

14) Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for?

A) use as a fertilizer

B) construction of roads

C) making tubes and pipes

D) making plastic sacks

15 / 25

15) Snow Leopard is naturally found in which of the following states?

1)Jammu and Kashmir 2)Arunachal Pradesh

3)Sikkim 4)Uttar Pradesh

A) 1,2,3

B) 1,2,3,4

C) 2,3

D) 1,3

16 / 25

16) Which of the following common plants are useful for wastewater treatment?

1)Lemon grass

2)Water hyacinth

3)Canna indica

A) 1,2,3

B) 2 only

C) 1 only

D) 1,2

17 / 25

17) Bioreactors can be used to

1 Treat sewage and wastewater

2 Grow phototrophic organisms like algae

Which of the above statements is/are incorrect?

A) Neither 1 nor 2

B) Both1 and 2

C) 2 only -

D) 1 only

18 / 25

18) Which of the following Uv radiation occurs most on Earth's surface in comparison to others?

A) Uv A & Uv B

B) Uv B & Uv C

C) Uv C & Uv A

D) Uv C

19 / 25

19) Montreal Protocol was agreed on _______?

A) 16th September 1987

B) 24th October 1989

C) 1st January 1989

D) 15th November 2001

20 / 25

20) The salinization can be defined as _____?

A) Accumulation of salts in the soil

B) Accumulation of salts in animals

C) Accumulation of salts in water

D) Accumulation of salts in the body

21 / 25

21) Which of the following is the main reason for producing the atmospheric greenhouse effect?

A) Absorption and re-emission of infrared radiations by the atmosphere

B) None of the above

C) Absorption and re-emission of visible light by the atmosphere

D) Absorption and re-emission of ultraviolet radiations by the atmosphere

22 / 25

22) Three human skeletons in a single grave were recovered at

A) Sarai Nahar Rai

B) Damdama

C) Mahadaha

D) Langhnaj

23 / 25

23) Identify the incorrect effect of deforestation _____?

A) Soil erosion

B) Altering the weather pattern by decreasing rainfall

C) Accelerated nutrient recycling

D) Destruction of natural habitats of wildlife

24 / 25

24) Among the following, which one causes more indoor chemical pollution?

A) Burning coal

B) Burning cooking gas

C) Burning mosquito coil

D) Room spray

25 / 25

25) The loudness of a sound that a person can withstand without discomfort is about : ____?

A) 150 dB

B) 215 dB

C) 30 dB

D) 80 dB

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