Although the polar regions radiate away more heat energy than they receive by insolation in the course of a year, they are prevented from becoming progressively colder each year by the:

The insulating properties of snow

Conduction of heat through the interior of the earth

Concentration of earth's magnetic field lines at the poles

Circulation of heat by the atmosphere and oceans

The insulating properties of snow

Release of latent heat to the atmosphere when polar ice melts

The north-facing side of a hill in a mountainous region in the US tends to:

Receive less sunlight during a year than the south-facing side

Grow a variety of trees that are typically observed at higher elevation

Be a better location for a ski run than the south-facing side

Have snow on the ground for a longer period of time in winter compared to the south-facing side

The largest annual ranges of temperatures are found:

At middle latitudes near large bodies of water

In the Northern Central Plains of the United States

Exponential growth occurs when there is

A great environmental resistance

Many freshwater animals cannot live for long in sea water and vice versa mainly because of the

Spectral quality of solar radiation

Change in the levels of thermal tolerance

Spectral quality of solar radiation

The set of prey species that are consumed by animals in an ecosystem

A set of interconnected food chains, illustrating the tropic relationships among species

The set of prey species that are consumed by animals in an ecosystem

The tropic (feeding) levels that can be observed in an ecosystem

Ecological niche of an organism represents

Functional role in the ecological system

The range of conditions that it can tolerate

The Gulf Coast states are more humid in summer than the coastal areas of Southern California mainly because of the:

Low relative humidity of the air over the Pacific Ocean

Higher air temperature in the Gulf States

Lower air temperature in Southern California

Higher water temperature in the Gulf of Mexico

Low relative humidity of the air over the Pacific Ocean

In most areas, the warmest time of the day about 5 feet above the ground occurs:

In the early evening after 6 PM

In the afternoon between 3 and 5 PM

In the early evening after 6 PM

1049 + Mcqs in Environmental Science in General Knowledge Page 17 McqOptions

801.	Black Buck is a
A.	Goat
B.	Deer
C.	Butterfly
D.	Bird
Answer» C. Butterfly

Discussion

802.	Although the polar regions radiate away more heat energy than they receive by insolation in the course of a year, they are prevented from becoming progressively colder each year by the:
A.	Conduction of heat through the interior of the earth
B.	Concentration of earth's magnetic field lines at the poles
C.	Circulation of heat by the atmosphere and oceans
D.	The insulating properties of snow
E.	Release of latent heat to the atmosphere when polar ice melts
Answer» D. The insulating properties of snow

Discussion

803.	This is used as a guide to planting and for determining the approximate date for harvesting crops:
A.	Growing degree-days
B.	Heating degree-days
C.	Cooling degree-days
D.	Mean annual temperature
Answer» B. Heating degree-days

Discussion

804.	_________ is a source of all minerals
A.	air
B.	water
C.	wildlife
D.	soil
Answer» E.

Discussion

805.	The average temperature of the earth is about __________ degree F.
A.	57
B.	59
C.	67
D.	65
Answer» C. 67

Discussion

806.	Which of the following is mainly responsible for the extinction of wild life
A.	Pollution of air and water
B.	Hunting of flesh
C.	Destruction of Habitats
D.	All of these
Answer» E.

Discussion

807.	The north-facing side of a hill in a mountainous region in the US tends to:
A.	Receive less sunlight during a year than the south-facing side
B.	Grow a variety of trees that are typically observed at higher elevation
C.	Be a better location for a ski run than the south-facing side
D.	Have snow on the ground for a longer period of time in winter compared to the south-facing side
E.	All of the above
Answer» F.

Discussion

808.	The largest annual ranges of temperatures are found:
A.	At polar latitudes over land
B.	At polar latitudes over water
C.	At middle latitudes near large bodies of water
D.	At the Equator
E.	In the Northern Central Plains of the United States
Answer» B. At polar latitudes over water

Discussion

809.	Nitrogen gas returns to the atmosphere by the action of
A.	Nitrogen fixing bacteria
B.	Denitrifying bacteria
C.	Nitrifying bacteria
D.	Nitrate fertilizers
Answer» C. Nitrifying bacteria

Discussion

810.	Gharial is a
A.	Crocodile
B.	Cobra
C.	Tortoise
D.	Frog
Answer» B. Cobra

Discussion

811.	Sinking air warms by this process:
A.	Compression
B.	Expansion
C.	Condensation
D.	Friction
Answer» B. Expansion

Discussion

812.	Exponential growth occurs when there is
A.	A great environmental resistance
B.	No environmental resistance
C.	No biotic potential
D.	A fixed carrying capacity
Answer» C. No biotic potential

Discussion

813.	Plants which grow in shade are called
A.	Sciophytes
B.	Heliophytes
C.	Oxylophytes
D.	Epiphytes
Answer» B. Heliophytes

Discussion

814.	Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere?
A.	Oxygen and nitrogen
B.	Nitrogen and carbon dioxide
C.	Ozone and oxygen
D.	Water vapor and carbon dioxide
Answer» E.

Discussion

815.	The pyramid of energy in any ecosystem is
A.	Always upright
B.	May be upright or invented
C.	Always inverted
D.	None of the above
Answer» B. May be upright or invented

Discussion

816.	Fatal degenerative lung disease caused by particulate asbestos is referred to as
A.	asbestosis
B.	asthma
C.	allergy
D.	sinusitis
Answer» B. asthma

Discussion

817.	The gradual physiological adjustment to slowly changing new environmental conditions is known as
A.	Selection
B.	Introduction
C.	Acclimatization
D.	Quarantine
Answer» D. Quarantine

Discussion

818.	Condensation nuclei may be:
A.	Particles of dust
B.	Nitric acid particles
C.	Smoke from forest fires
D.	Salt from the ocean
E.	All of these
Answer» F.

Discussion

819.	World's first Teak Forest was planted in 1842 in Kerala. Identify the place.
A.	Wayanad
B.	Nilambur
C.	Silent Valley
D.	Nelliyampathy
Answer» C. Silent Valley

Discussion

820.	The development of a bare area without any life form is called
A.	Nudation
B.	Ecesis
C.	Sere
D.	Reaction
Answer» B. Ecesis

Discussion

821.	In a pyramid of numbers, in a grassland ecosystem, the largest population is that of
A.	Producers
B.	Tertiary Consumers
C.	Secondary consumers
D.	Herbivores
E.	Primary consumers
Answer» B. Tertiary Consumers

Discussion

822.	The ocean covers ________ percentage of Earth's surface.
A.	51%
B.	61%
C.	71%
D.	91%
Answer» D. 91%

Discussion

823.	Which year was declared as the "Water Year" by Indian government
A.	2010
B.	2004
C.	2007
D.	2000
Answer» D. 2000

Discussion

824.	In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called
A.	Decomposers
B.	Producers
C.	Primary consumers
D.	Secondary consumers
Answer» B. Producers

Discussion

825.	Good urban planning is essential for __________ land use.
A.	Rational
B.	Irrational
C.	Planned
D.	Unplanned
Answer» B. Irrational

Discussion

826.	National Maritime Day of India is celebrated on ______________
A.	October 16
B.	April 05
C.	March 21
D.	May 22
Answer» C. March 21

Discussion

827.	The change of state of ice into water vapor is known as:
A.	Deposition
B.	Sublimation
C.	Melting
D.	Condensation
E.	Crystallization
Answer» C. Melting

Discussion

828.	Minamata disease is caused by
A.	Air Pollution
B.	Water Pollution
C.	Marine Pollution
D.	All of these
Answer» D. All of these

Discussion

829.	Almost all of the earth's weather occurs in the:
A.	Exosphere
B.	Stratosphere
C.	Mesosphere
D.	Thermosphere
E.	Troposphere
Answer» F.

Discussion

830.	The study of minerals is called
A.	geology
B.	mineralogy
C.	mining science
D.	metallurgy
Answer» C. mining science

Discussion

831.	During the winter in the Northern Hemisphere, the "land of the midnight sun" would be found:
A.	At high latitudes
B.	At middle latitudes
C.	Near the equator
D.	In the desert southwest
E.	On the West Coast
Answer» B. At middle latitudes

Discussion

832.	Many freshwater animals cannot live for long in sea water and vice versa mainly because of the
A.	Change in N levels
B.	Change in the levels of thermal tolerance
C.	Variations in light intensity
D.	Osmotic problems
E.	Spectral quality of solar radiation
Answer» E. Spectral quality of solar radiation

Discussion

833.	_________ layer is very near to earth
A.	Stratosphere
B.	Mesosphere
C.	Troposphere
D.	Thermosphere
Answer» D. Thermosphere

Discussion

834.	A food web is
A.	Like a food chain
B.	A set of interconnected food chains, illustrating the tropic relationships among species
C.	The set of prey species that are consumed by animals in an ecosystem
D.	The tropic (feeding) levels that can be observed in an ecosystem
Answer» C. The set of prey species that are consumed by animals in an ecosystem

Discussion

835.	The hottest atmospheric layer is the:
A.	Stratosphere
B.	Mesosphere
C.	Thermosphere
D.	Troposphere
Answer» D. Troposphere

Discussion

836.	Soap and detergents are the source of organic pollutants like:
A.	Glycerol
B.	Polyphosphates
C.	Sulphonated hydrocarbons
D.	All of these
Answer» E.

Discussion

837.	All are particulate pollutants except
A.	Dust
B.	Ozone
C.	Soot
D.	Smoke
Answer» C. Soot

Discussion

838.	Zoological Survey of India is at
A.	Delhi
B.	Mumbai
C.	Kolkata
D.	Chennai
Answer» D. Chennai

Discussion

839.	Ecological niche of an organism represents
A.	The resource it utilizes
B.	Functional role in the ecological system
C.	The range of conditions that it can tolerate
D.	All of these
Answer» E.

Discussion

840.	Two-thirds of the world's known oil reserves are located in
A.	Siberia
B.	Gulf of mexico and caribbean
C.	The middle east
D.	Indonesia
Answer» D. Indonesia

Discussion

841.	Black lung disease is associated with
A.	Farmers
B.	Coal miners
C.	Textile industry workers
D.	Sweepers
Answer» C. Textile industry workers

Discussion

842.	Abundant source of inonazite sands are found on the sea shores of
A.	Maharashtra
B.	West Bengal
C.	Tamil Nadu
D.	Kerala
Answer» E.

Discussion

843.	A small particle of soil blown by dust is known as
A.	saltation
B.	suspension
C.	surface creep
D.	landslide
Answer» C. surface creep

Discussion

844.	The 3 R principle in waste management involves
A.	Reduce, Regain, Reuse
B.	Reduce, Reuse, Recycle
C.	Reduce, Reform, Reset
D.	Reduce, Retain, Regain
Answer» C. Reduce, Reform, Reset

Discussion

845.	Radiation can cause
A.	cardiac disease
B.	Haemophilia
C.	leukemia
D.	bone marrow diseases
Answer» D. bone marrow diseases

Discussion

846.	Flora is the __________ life occurring in a particular region or time
A.	plant
B.	animal
C.	human
D.	microbial
Answer» B. animal

Discussion

847.	This is used as an index for fuel consumption:
A.	Growing degree-days
B.	Consumer price index
C.	Heating degree-days
D.	Mean annual temperature
Answer» D. Mean annual temperature

Discussion

848.	The Gulf Coast states are more humid in summer than the coastal areas of Southern California mainly because of the:
A.	Higher air temperature in the Gulf States
B.	Lower air temperature in Southern California
C.	Higher water temperature in the Gulf of Mexico
D.	Low relative humidity of the air over the Pacific Ocean
Answer» D. Low relative humidity of the air over the Pacific Ocean

Discussion

849.	Which of the following is the poorest conductor of heat?
A.	Still air
B.	Water
C.	Ice
D.	Snow
E.	Soil
Answer» B. Water

Discussion

850.	In most areas, the warmest time of the day about 5 feet above the ground occurs:
A.	Around noon
B.	In the afternoon between 3 and 5 PM
C.	In the early evening after 6 PM
D.	Just before the sun sets
Answer» C. In the early evening after 6 PM

Discussion

Explore topic-wise MCQs in General Knowledge.

Black Buck is a

Although the polar regions radiate away more heat energy than they receive by insolation in the course of a year, they are prevented from becoming progressively colder each year by the:

This is used as a guide to planting and for determining the approximate date for harvesting crops:

_________ is a source of all minerals

The average temperature of the earth is about __________ degree F.

Which of the following is mainly responsible for the extinction of wild life

The north-facing side of a hill in a mountainous region in the US tends to:

The largest annual ranges of temperatures are found:

Nitrogen gas returns to the atmosphere by the action of

Gharial is a

Sinking air warms by this process:

Exponential growth occurs when there is

Plants which grow in shade are called

Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere?

The pyramid of energy in any ecosystem is

Fatal degenerative lung disease caused by particulate asbestos is referred to as

The gradual physiological adjustment to slowly changing new environmental conditions is known as

Condensation nuclei may be:

World's first Teak Forest was planted in 1842 in Kerala. Identify the place.

The development of a bare area without any life form is called

In a pyramid of numbers, in a grassland ecosystem, the largest population is that of

The ocean covers ________ percentage of Earth's surface.

Which year was declared as the "Water Year" by Indian government

In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called

Good urban planning is essential for __________ land use.

National Maritime Day of India is celebrated on ______________

The change of state of ice into water vapor is known as:

Minamata disease is caused by

Almost all of the earth's weather occurs in the:

The study of minerals is called

During the winter in the Northern Hemisphere, the "land of the midnight sun" would be found:

Many freshwater animals cannot live for long in sea water and vice versa mainly because of the

_________ layer is very near to earth

A food web is

The hottest atmospheric layer is the:

Soap and detergents are the source of organic pollutants like:

All are particulate pollutants except

Zoological Survey of India is at

Ecological niche of an organism represents

Two-thirds of the world's known oil reserves are located in

Black lung disease is associated with

Abundant source of inonazite sands are found on the sea shores of

A small particle of soil blown by dust is known as

The 3 R principle in waste management involves

Radiation can cause

Flora is the __________ life occurring in a particular region or time

This is used as an index for fuel consumption:

The Gulf Coast states are more humid in summer than the coastal areas of Southern California mainly because of the:

Which of the following is the poorest conductor of heat?

In most areas, the warmest time of the day about 5 feet above the ground occurs: