Environmental Science - General Knowledge Questions and Answers - in Hindi

View in English View in Hindi

A variety of different bacteria and yeasts live on human skin. Together they are considered to be a/an?


विभिन्न प्रकार के बैक्टीरिया और खमीर मानव त्वचा पर रहते हैं। साथ में उन्हें माना जाता है?

A)

Ecosystem


B)

Population


C)

Community


D)

Trophic level



Correct Answer :

Community

The method of rainwater harvesting which can be adopted by individual house owners is?


वर्षा जल संचयन की विधि है जो व्यक्ति के घर के मालिकों द्वारा अपनाया जा सकता है?

A)

Construction of recharge trenches

/

रिचार्ज खाइयों का निर्माण


B)

Onchannel storage of water

/

पानी का सहचैनल के भंडारण


C)

Harvesting new water channel

/

नए जल चैनलों को संचयन


D)

Rooftop rainwater harvesting

/

रूफ टॉप वर्षा जल संचयन



Correct Answer :

Rooftop rainwater harvesting

/

रूफ टॉप वर्षा जल संचयन


Explanation :

Roof-top rainwater harvesting (RRH) involves diverting and recharging (or) storing of the rainwater that falls on the roof of a house.
RRH is a common practice implemented in individual houses as well as apartment complexes for recharging of ground water. In such cases, harvested water is directed into a recharge pit which collects and slowly recharges into the groundwater storage / aquifer in that area.

Fuel cost is zero in which kind of energy?


ईंधन की लागत इनमें से किस प्रकार की ऊर्जा में शून्य होती हैं?

A)

Wind energy

/

पवन ऊर्जा


B)

Coal energy

/

कोयले से उत्पन्न की जाने वाली ऊर्जा


C)

Nuclear Energy

/

परमाणु ऊर्जा


D)

Tidal energy

/

ज्वारीय ऊर्जा



Correct Answer :

Wind energy

/

पवन ऊर्जा


Explanation :

Wind, Solar Are The cheapest sources of power generation.

Coal based thermal power plant works on which principal?


कोयला आधारित ताप विद्युत संयंत्र निम्नलिखित में से किस सिद्धांत पर आधारित है?

A)

Modified Rankine Cycle

/

संशोधित रेनकाइन चक्र


B)

Threshold frequency

/

थ्रेसहोल्ड आवृत्ति


C)

Gibbs free energy

/

गिब्बस मुक्त ऊर्जा


D)

Entropy

/

एन्ट्रापी



Correct Answer :

Modified Rankine Cycle

/

संशोधित रेनकाइन चक्र


Explanation :

Rankine cycle is a mechanical cycle which is used to convert the pressure energy of steam into mechanical energy using turbines.A modified Rankine cycle is used to increase the efficiency of the same Rankine cycle by either reheat or using regenerative cycle.

A chemical reaction triggered by ____ transforms organic material into hydrocarbons?


_____द्वारा होने वाली रासायनिक प्रतिक्रिया द्वारा जैविक सामग्री को हाइड्रोकार्बन में परिवर्तित किया जाता है?

A)

solar energy

/

सौर ऊर्जा


B)

hydroelectric

/

पनबिजली


C)

elevated temperatures

/

संवर्धित तापमान


D)

decomposition

/

अपघटन



Correct Answer :

elevated temperatures

/

संवर्धित तापमान

Energy resources derived from natural organic materials is called ?


प्राकृतिक जैविक सामग्रियों से प्राप्त किए जाने वाले ऊर्जा स्त्रोत को क्या कहा जाता है?

A)

Geothermal energy sources

/

भूतापीय ऊर्जा स्त्रोत


B)

Fossil fuels

/

जीवाश्म ईंधन


C)

Biomass

/

बायोमॉस


D)

None of the above

/

उपरोक्त में से कोई नहीं



Correct Answer :

Fossil fuels

/

जीवाश्म ईंधन

Which of the following rock types would most likely be the best oil reservoir?


इनमें से किस प्रकार की चट्टान में तेल भंडार होने की सर्वाधिक संभावना होती है?

A)

granite

/

ग्रेनाइट


B)

shale

/

शैल


C)

sandstone

/

बलुआ पत्थर


D)

salt

/

साल्ट



Correct Answer :

sandstone

/

बलुआ पत्थर

The world has the least amount of which of the following fuel types?


दुनिया में निम्नलिखित ईंधन स्त्रोत में से किस ईंधन की मात्रा सबसे कम हैं?

A)

Oil

/

तेल


B)

Coal

/

कोयला


C)

Uranium

/

यूरेनियम


D)

There are roughly equal amounts of each of these fuels

/

औसतन सभी ईंधन की बराबर मात्रा में है



Correct Answer :

Oil

/

तेल

The percentage of total world’s precipitation, lost to the atmosphere through evaporation, is approximately?


दुनिया में कुल वषर्ण का प्रतिशत जो कि वाष्पीकरण से वायमुंडल में नष्ट हो जाता हैं, वह लगभग कितने प्रतिशत है?

A)

57%


B)

7%


C)

37%


D)

43%



Correct Answer :

57%

The main constituent of LPG is?


एलपीजी का मुख्य संगघट क्या होता है?

A)

Liquid methane

/

तरल मीथेन


B)

Liquid butane

/

तरल बुटेन


C)

Liquid hydrogen

/

तरल हाइट्रोजन


D)

Liquid ethane

/

तरल ईथेन



Correct Answer :

Liquid butane

/

तरल बुटेन

Nitrogen fixation is accomplished by?


नाइट्रोजन स्थिरीकरण किसके द्वारा पूरा किया जाता है?

A)

Bacteria in the atmosphere

/

वातावरण में जीवाणु


B)

Bacteria in the soil

/

मिट्टी में बैक्टीरिया


C)

Plants

/

पौधे


D)

Fungi

/

कवक



Correct Answer :

Bacteria in the soil

/

मिट्टी में बैक्टीरिया

Pollination by Birds is known as?


पक्षी द्वारा परागण को क्या कहते है?

A)

Autogamy


B)

Entomophilly


C)

Ornithophilly


D)

Marmacophilly



Correct Answer :

Ornithophilly


Explanation :

Ornithophily or bird pollination is the pollination of flowering plants by birds.

The agent moving the pollen, whether it is moths, bees, bats, wind or birds are called the “pollinator” and the plant providing the pollen is called the “pollenizer”. The term biotic pollination is used when pollination is aided by a pollinator. When this is done by birds, the term used is Ornithophily.

Which is an example of fossil fuel?


इनमें से क्या जीवाश्म ईंधन का उदाहरण है?

A)

coal

/

कोयला


B)

methane

/

मिथेन


C)

natural gas

/

प्राकृतिक गैस


D)

All the above

/

उपरोक्त सभी



Correct Answer :

All the above

/

उपरोक्त सभी

In study of satellite imageries GIS stands for ?


सेटेलाइट इमेजरीज़ में जीआईएस के क्या मायने होते हैं?

A)

Geographical Information System

/

भौगोलिक सूचना प्रणाली


B)

Geographical Integrated System

/

भौगोलिक एकीकृत प्रणाली


C)

General Integrated System

/

सामान्य एकीकृत प्रणाली


D)

Geological Integrated system

/

भूगर्भीय एकीकृत प्रणाली



Correct Answer :

Geographical Information System

/

भौगोलिक सूचना प्रणाली

A fuel cell, in order to produce electricity, burns?


एक इंधन कोशिका, बिजली बनाने के लिए निम्नलिखित में से किसका प्रजल्वन करती है?

A)

Helium

/

हीलियम


B)

Nitrogen

/

नाइट्रोजन


C)

Hydrogen

/

हाइड्रोजन


D)

Boron

/

बोरान



Correct Answer :

Hydrogen

/

हाइड्रोजन

Blue whale is placed under?


नीली व्हेल को किसके अंतगर्त रखा गया है?

A)

endangered

/

लुप्तप्राय


B)

critically endangered

/

बहुत अधिक खतरा


C)

rare

/

विरल


D)

extinct

/

विलुप्त



Correct Answer :

endangered

Latest Updates

Indian Geography

What is the approximate distance between earth and the moon?

Indian History

In which year was the battle of ‘Koregaon Bhima’ fought?

The approach that is very useful in organizing the content in history is.

General Knowledge of India

NITI Aayog stands for _____.

General Knowledge of MP

India’s first Ramayan art museum was established at?

Errors Identification

Read the sentence carefully and choose the option that has an error in it:
The management’s trusted employee was suspected of stealing large sum of money.

Read the sentence carefully and choose the option that has an error in it:
The teacher asked the child to repeat again because he spoke feebly.

Fill in the blank

Fill in the blank with the most appropriate preposition in the given sentence.
Let’s sit _________ the shade of this beautiful tree.

Choose the most appropriate determiner for the given sentence.
________of what he said was very sensible.

Substitution

Choose the option that substitutes the given phrase appropriately.
A work of art made by carving

Correct sentence

Choose the option that best transforms the sentence into its Indirect form:
‘What country do you come from?’ said the police officer.

Alternative Phrase

Choose the option that best explains the highlighted expression:
All human beings have feet of clay.

Fill in the blank

Choose an appropriate modal for the given sentence:
My doctor said that I_____ stop smoking as one of my lungs got infected.

Choose the appropriate prepositions for the given sentence:
My parents have been married ________ forty-nine years, but you can still see the love ________ their eyes.

Choose the appropriate conjunction for the given sentence:
______ it rains, the college will declare the holiday.

Antonyms

Choose the appropriate antonym for the highlighted word in the given sentence.
The family protracted their visit by several days.

Tenses

Choose the appropriate tenses to fill in the blanks in the given sentence:
Please _________ a noise. Ritu __________ to sleep.

Synonyms

Choose the appropriate synonym for the highlighted word in the given sentence.
Does he really expect us to believe such a flimsy excuse?