Environmental Science - in Hindi

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The most important reason for decrease in biodiversity is ?


जैव विविधता मे कमी का सर्वाधिक महत्वपूर्ण कारण क्या है?

A)

habitat pollution

/

निवास प्रदूषण


B)

introduction of exotic species

/

अनोशी प्रजातियों को पेश करना


C)

deforestation

/

वनों की कटाई


D)

habitat destruction

/

निवास को नष्ट किया जाना



Correct Answer :

habitat destruction

Red data book contains data of?


रेड डेटा पुस्तक में किस सबंधं में डेटा शामिल होता है?

A)

plant species

/

पादप प्रजातियां


B)

animal species

/

पशु प्रजातियां


C)

economically significant species

/

आर्थिक रूप से महत्वपूर्ण प्रजातियों


D)

threatened species

/

संकटग्रस्त प्रजातियों



Correct Answer :

threatened species

The concept of carbon credit originated from which one of the following?


कार्बन क्रेडिट की अवधारणा किससे शुरू होती है?

A)

Earth Summit, Rio de Janeiro

/

पृथ्वी शिखर सम्मेलन, रियो डी जेनेरो


B)

Kyoto Protocol

/

क्योटो प्रोटोकोल


C)

Montreal Protocol

/

मॉन्ट्रियल प्रोटोकॉल


D)

G8 Summit, Hciligendamm

/

जी -8 शिखर सम्मेलन, हसीलिगेदमम



Correct Answer :

Kyoto Protocol

Which of the following cycle is the slowest of the matter cycles?


निम्नलिखित में से कौन सा चक्र पदार्थ चक्रों में सबसे धीमा है?

A)

Sulphur cycle


B)

Phosphorus cycle


C)

Carbon cycle


D)

Nitrogen cycle



Correct Answer :

Phosphorus cycle

The natural heritage of India was made famous in Rudyard Kipling’s book ?


रुडयार्ड किपलिंग की किस पुस्तक में भारत के प्राकृतिक हेरिटेज को विख्यात किया गया था?

A)

The Jungle Book

/

जंगल बुक


B)

The forest fire

/

जंगल की आग


C)

Heritage of Great India

/

महान भारत की विरासत


D)

Bharat ek khoj

/

भारत की खोज



Correct Answer :

The Jungle Book

Ocean currents are determined by?


महासागर की धाराओं से क्या निर्धारित होता है?

A)

Proximity to land

/

भूमि की निकटता करने के लिए


B)

Underwater geography

/

पानी के नीचे का भूगोल


C)

Atmospheric circulation

/

वायुमंडलीय परिसंचरण


D)

Season

/

ऋतु



Correct Answer :

Atmospheric circulation

Phosphate is mined primarily for?


फास्फेट के लिए मुख्य रूप से कौन सा खनन किया जाता है?

A)

Production of phosphor screens

/

फास्फोरस स्क्रीन के उत्पादन मे


B)

Production of fertilizer

/

उर्वरक के उत्पादन मे


C)

Production of phosphorus bombs

/

फास्फोरस बम का उत्पादन मे


D)

None of these

/

इनमे से कोई नही



Correct Answer :

Production of fertilizer

Which of the following energy sources does not produce carbon dioxide?


निम्नलिखित मे से उस ऊर्जा स्त्रोत का नाम बताएं जो कार्बन डाइऑक्साइड का उत्पादन नहीं करता है?

A)

Oil


B)

Uranium


C)

Coal


D)

Natural gas



Correct Answer :

Uranium

The environment includes?


पर्यावरण में क्या शामिल होता है?

A)

Abiotic factors

/

अजैविक कारक


B)

Biotic factors

/

जैविक कारक


C)

Oxygen and Nitrogen

/

ऑक्सीजन और नाइट्रोजन


D)

Abiotic and biotic factors

/

अजैविक व जैविक कारक दोनों



Correct Answer :

Abiotic and biotic factors

Who said ‘Man is a social animal’?


किसके अनुसार 'मानव एक सामाजिक जंतु है'?

A)

Laski

/

लास्की


B)

Plato

/

प्लेटो


C)

Aristotle

/

अरस्तू


D)

Rousseau

/

रूसो



Correct Answer :

Aristotle

World Environment day is celebrated every year on?


प्रत्येक वर्ष विश्व पर्यावरण दिवस किस दिन मनाया जाता है?

A)

5th June


B)

5th July


C)

6th June


D)

6th August



Correct Answer :

5th June

Which of the following will be released during combustion of fossil fuels?


जीवाश्म ईंधन के दहन के दौरान निम्नलिखित में से कौन सा उत्सर्जित होगा?

A)
Carbon dioxide

B)
Oxide of nitrogen

C)
Carbon monoxide

D)
All of these


Correct Answer :

All of these

Pedology is the study of ?


पीडोलॉजी अध्ययन है?

A)
Soil

B)
Rocks

C)
Locomotion of animals

D)

Crop disease



Correct Answer :

Soil


Explanation :

Pedology, scientific discipline concerned with all aspects of soils, including their physical and chemical properties, the role of organisms in soil production and in relation to soil character, the description and mapping of soil units, and the origin and formation of soils.

Which of the following layer of atmosphere has maximum density?


वातावरण में निम्न में से कौन सा परत का घनत्व अधिकतम है?

A)
Stratosphere
/
क्षोभ मंडल

B)
Troposphere
/
समताप मंडल

C)
Mesosphere
/
मध्यमंडल

D)

Thermosphere

/
तापमंडल


Correct Answer :

Troposphere


Explanation :

The troposphere is the lowest portion of Earth's atmosphere, and is also where nearly all weather takes place. It contains approximately 75% of the atmosphere's mass and 99% of the total mass of water vapor and aerosols.

Approximate percentage of freshwater on the earth is?


पृथ्वी पर मीठे पानी का लगभग प्रतिशत है?

A)
2%

B)
70%

C)
3%

D)
8%


Correct Answer :

3%


Explanation :

approximately 96% of all water on the planet is salt water. Of the remaining approximate 4% of the earth's total water (the 'fresh' water), most of it is unavailable and locked up in ice caps and glaciers hence About percentage of fresh water is 3%

Which of the following instrument is used to measure the wind velocity?


निम्नलिखित में से कौन सा साधन हवा के वेग को मापने के लिए प्रयोग किया जाता है?

A)
Psychrometer

B)
Hydrogrophs

C)
Anemometer

D)
Radar


Correct Answer :

Anemometer


Explanation :

An anemometer is an instrument that measures wind speed and wind pressureand.
Anemometers are important tools for meteorologists, who study weather patterns. They are also important to the work of physicists, who study the way air moves.

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