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Environment & Ecology - MOST IMPORTANT Jharkhand PCS Previous Year Questions

Practice real questions from previous year exams of Jharkhand PCS.

📘 Sustainable Development📚 Definition and General Facts

Q1

Which indices are the basis for determining sustainable development?

🎯 Jharkhand PCS (Pre) 2024-I

A.

Ecology

B.

Social and cultural

C.

Economic

D.

All of the above

📘 Global Conservation Efforts📚 Rio+10 (Earth Summit), 2002

Q2

In which year was Sustainable Development Conference held in Jonannesburg?

🎯 Jharkhand PCS (Pre) 2024-I

A.

$\displaystyle 1997$

B.

$\displaystyle 2002$

C.

$\displaystyle 2003$

D.

$\displaystyle 2004$

📘 Sustainable Development📚 Definition and General Facts

Q3

What is sustainable development?

🎯 Jharkhand PCS (Pre) 2024-I

A.

Economic development

B.

Environmental development

C.

Social development

D.

All of the above

📘 In Situ Conservation – Protected Areas📚 Biosphere Reserves

Q4

Where is Dibru Saikhowa Biosphere Reserve located?

🎯 Jharkhand PCS (Pre) 2024-I

A.

Arunachal Pradesh

B.

Assam

C.

Manipur

D.

Sikkim

📘 Types of Ecosystems - Human-Modified Ecosystem📚 Agro-Ecosystems

Q5

Which of the following is an artificial ecosystem?

🎯 Jharkhand PCS (Pre.) G.S. IInd, 2013

A.

Paddy field

B.

Forest

C.

Grass land

D.

Lake

📘 Indian Biodiversity📚 Misc

Q6

Among the following states, which has highest forest density in India?

🎯 7th Jharkhand PCS (PRE) 2021 (Paper 1)

A.

Mizoram

B.

Assam

C.

Gujarat

D.

Nagaland

📘 Types of Ecosystems - Marine Ecosystem📚 Marine Zonation & Productivity

Q7

Low nutritious concentration reservoir is found in

🎯 Jharkhand PCS (Pre) G.S. 2008

A.

Littoral zone

B.

Oligotrophic zone

C.

Neritic zone

D.

Floor zone

📘 Ecological Succession📚 Primary Succession

Q8

The important four stages of ecological sequence are-

Attack
Weakness
Competition
Transfer
The correct sequence of these four stages during primary sequence is

🎯 Jharkhand PCS (Pre) G.S. 2008

A.

$\displaystyle 2$ , $\displaystyle 1$ , $\displaystyle 3$ , $\displaystyle 4$

B.

$\displaystyle 1$ , $\displaystyle 2$ , $\displaystyle 3$ , $\displaystyle 4$

C.

$\displaystyle 2$ , $\displaystyle 1$ , $\displaystyle 4$ , $\displaystyle 3$

D.

$\displaystyle 1$ , $\displaystyle 2$ , $\displaystyle 4$ , $\displaystyle 3$

📘 Air Pollution - Introduction📚 Causes of Air Pollution

Q9

Which of the following causes maximum indoor chemical pollution?

🎯 7th Jharkhand PCS (PRE) 2021 (Paper 1)

A.

Burning coal

B.

Burning cooking gas

C.

Room spray

D.

Burning mosquito coil

📘 In Situ Conservation – Protected Areas📚 Wildlife Sanctuaries

Q10

Karera sanctuary is in

🎯 Jharkhand PCS (Pre) G.S. 2008

A.

Uttar Pradesh

B.

Madhya Pradesh

C.

Rajasthan

D.

Maharashtra

📘 In Situ Conservation – Protected Areas📚 Wildlife Sanctuaries

Q11

Mahuadanr sanctuaries is located in which district of Jharkhand?

🎯 Jharkhand PCS (Pre) G.S. Ist 2016

A.

Palamu

B.

Kodarma

C.

Chatra

D.

Latehar

📘 Major Causes of Land Degradation📚 Desertification

Q12

Agricultural drought is defined as:

🎯 Jharkhand PCS (Pre) 2024-1

A.

uneven distribution of rainfall over time and place

B.

low soil moisture

C.

inadequate rainfall of $\displaystyle 30$ percent or more in cropped areas

D.

the lack of water supply in water storage reservoir which can be compensated by normal rainfall

📘 Acid Rain📚 Sources of Compounds Causing Acid Rain

Q13

Acid precipitation is now regarded as a serious problem in some European and Asian countries. Its major cause or source is:

🎯 Jharkhand PCS (Pre) G.S. 2006

A.

Discharge of acidic effluents onto neutral or slightly alkaline land where the acidic components precipitate.

B.

Emissions of sulphur dioxides and nitrogen oxides from thermal power plants and burning of fossil fuels; these oxides dissolve in atmospheric water vapour and fall back on earth as acid rain.

C.

Discharge of acidic effluents onto neutral land.

D.

None of the above.

📘 Acid Rain📚 Sources of Compounds Causing Acid Rain

Q14

Acid rain is caused by the pollution of environment by

🎯 Jharkhand PCS (Pre.) G.S. IInd 2013

A.

Carbon monoxide and Carbon dioxide

B.

Carbon dioxide and Nitrogen

C.

Ozone and Carbon dioxide

D.

Nitrous oxide and Sulphur dioxide

📘 Effects of Water Pollution📚 Effects on Aquatic Ecosystem (Eutrophication)

Q15

If water pollution continues at its present rate, it will eventually-

🎯 Jharkhand PCS (Pre) G.S. 2006

A.

Prevent precipitation

B.

Stop water cycle

C.

Make nitrate molecules unavailable to aquatic life

D.

Make oxygen unavailable to aquatic life

📘 Basics of Environment & Ecology📚 Carrying Capacity

Q16

Earth Overshoot Day is related to-

🎯 Jharkhand PCS (Pre) 2024-1

A.

Environmental degradation

B.

Overheating of troposphere

C.

Melting of glacier due to intense sun rays

D.

Geomagnetism

📘 Sustainable Agriculture and Organic Farming📚 Misc

Q17

Which of the following can be used as bio-fertilizers?

Azolla
Cyanobacteria
Alfalfa
Select the correct answer using code given below-

🎯 Jharkhand PCS (Pre) G.S. 2006

A.

$\displaystyle 2$ only

B.

$\displaystyle 1$ and $\displaystyle 2$

C.

$\displaystyle 1$ and $\displaystyle 3$

D.

$\displaystyle 1$ , $\displaystyle 2$ and $\displaystyle 3$

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