Environmental Science - General Knowledge Questions and Answers

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Insectivorous plant grow in soil which is deficient in?

A)
N2

B)
Ca

C)
Mg

D)
Water


Correct Answer :

N2


Explanation :

In soil, Insectivorous/pesticide plant grow when nutrient deficient, especially nitrogen, very essential for their growth and sustainability. And for this reason, these plants have evolved to be insectivorous. And please note that the soil is only deficient and not devoid of. They get the nutrients from the insects too.

Kyto protocol is related to?

A)
Wetland

B)
Ozone Depleting Substance

C)
Green house gases

D)
Ionizing radiations


Correct Answer :

Green house gases


Explanation :

The Kyoto Protocol is an international agreement linked to the United Nations Framework Convention on Climate Change.
It was the first agreement between nations to mandate reductions in greenhouse-gas emissions. which was signed by nearly all nations at the 1992 mega-meeting popularly known as the Earth Summit. That treaty was finalized in Kyoto, Japan, in 1997, after years of negotiations, and it went into force in 2005.

The largest reservoir of sulphur in the biosphere is the?

A)
Atmosphere

B)
Ocean

C)
Organism

D)
Rocks


Correct Answer :

Rocks

Which week is celebrated as "Wild Life Week"?

A)
June 1 to 7

B)
October 1 to 7

C)
November 8 to 14

D)
August 8 to 14


Correct Answer :

October 1 to 7

Marsh gas is?

A)
CO2

B)
CH4

C)
C2H6

D)
CO


Correct Answer :

CH4


Explanation :

Marsh gas, which is also called methane(CH4), is produced by the anaerobic bacterial decomposition of vegetable matter and generated by decaying matter/plants in marshes.

Prairies and steppes are part of?

A)
Tropical grassland

B)
Temperature grassland

C)
Steppes grassland

D)
Tropical savana


Correct Answer :

Temperature grassland


Explanation :

prairies tend to have long grass species whilst steppes often have short grass species. However, prairies are also considered one type of steppe.

Which pollutant causes leaf curling?

A)
SO2

B)
CO

C)
H2S

D)
O3


Correct Answer :

SO2


Explanation :

SO2 causes bleached spots on the leaf surface, chlorosis (i.e. loss of ... leaf, premature fall, discoloration and curling of sepals
Sulphur dioxide (SO2)is the most important and common air pollutant produced in huge amounts in combustion of coal and other fuels in industrial and domestic use. It is also produced during smelting of sulphide ores.

Acid rain is due to?

A)
Sulphur dioxide (SO2)

B)
Carbon monoxide (CO)

C)
Pestcide pollutuion

D)
Dust particles


Correct Answer :

Sulphur dioxide (SO2)


Explanation :

Acid rain is caused by emissions of sulphur dioxide(SO2) and nitrogen oxide(NO2), which react with the water molecules in the atmosphere to produce sulfuric acid(H2SO4 ) and form small amounts of nitric acid (HNO3).

Acid rain has been shown to adversely affect the forests, fresh water and soil, along with insects and aquatic life forms harm the buildings and have an impact on human health.

Carbon intensity means?

A)
CO2 emission per GDP

B)
CO2 emission per meter square

C)
CO2 emission per person

D)
CO2 emission


Correct Answer :

CO2 emission per GDP

The dodo was extinct due to?

A)
Pollution

B)
Invention of non native species

C)
Overexploitation of resources

D)
Global environmental changes


Correct Answer :

Invention of non native species

Red data book is famous for?

A)
Extinct animals

B)
Endangered animals

C)
Endangered animals and plants

D)
Important wild life


Correct Answer :

Endangered animals and plants


Explanation :

.The Red Data Book is the state document established for documenting rare and endangered species of animals, plants and fungi as well as some local sub-species that exist within the territory of the state or country.

The "Wild Life Protection Act" came into existence in:?

A)
1970

B)
1972

C)
1974

D)
1992


Correct Answer :

1972

The "Forest Conservation Act" came into existence in?

A)
1972

B)
1980

C)
1992

D)
1975


Correct Answer :

1980

What is the full form of GIS?

A)
Geographical Information System

B)
General Information System

C)
Global Information System

D)
General Information Sensor


Correct Answer :

Geographical Information System


Explanation :

A geographic information system (GIS) is a computer system for capturing, storing, checking, and displaying data related to positions on Earth's surface.

At which layer of atmosphere satellite launched?

A)
Exosphere

B)
Mesosphere

C)
Thermosphere

D)
Either thermosphere or exosphere


Correct Answer :

Either thermosphere or exosphere

What is the full form of GPS?

A)
Global Positioning System

B)
General Positioning System

C)
Geographical Positioning System

D)
General Programming System


Correct Answer :

Global Positioning System

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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?