1049 + Mcqs in Environmental Science Page 10 McqOptions

451.	__Which of the following enhances soil fertility?__
A.	Crop rotation
B.	Improved methods of agriculture
C.	Using new seed varieties
D.	Irrigation
Answer» B. Improved methods of agriculture

Discussion

452.	__What is UNCED?__
A.	United Nations Conference on Education,
B.	United Nations Conference on Environmental Day
C.	United Nations Conference on Environment and Development
D.	None of these
Answer» D. None of these

Discussion

453.	__Some species of plants and animals are extremely rare and may occur only at a few locations are called__
A.	Endemic
B.	Endangered
C.	Vulnerable
D.	Threatened
Answer» C. Vulnerable

Discussion

454.	___________ causes loss of water because of seepage of water into the soil.__
A.	Evaporation
B.	Percolation
C.	Transpiration
D.	Infiltration
Answer» C. Transpiration

Discussion

455.	__Pedology?__
A.	Study of water
B.	Study of air
C.	Study of soil
D.	none
Answer» D. none

Discussion

456.	_The main reason why vegetables take longer to cook in boiling water at high altitudes is because:$?
A.	Water boils at a higher temperature with higher altitude
B.	The temperature of the boiling water decreases with increasing altitude
C.	There is less oxygen in the air at high altitude
D.	Saturation vapor pressure decreases with increasing altitude
Answer» C. There is less oxygen in the air at high altitude

Discussion

457.	_Lines connecting points of equal temperature are called:$?
A.	Isobars
B.	Isotherms
C.	Thermals
D.	Thermographs
Answer» C. Thermals

Discussion

458.	_About ____ of the meteorologists and atmospheric scientists in the United States work in the field of weather forecasting.$?
A.	One-tenth
B.	One-half
C.	Three-quarters
D.	Nine-tenths
Answer» C. Three-quarters

Discussion

459.	_Pedology?$?
A.	Study of water
B.	Study of air
C.	Study of soil
D.	none
Answer» D. none

Discussion

460.	_The pyramid of numbers in a single tree is$?
A.	Upright
B.	Inverted
C.	Spindle shaped
D.	None of these
Answer» D. None of these

Discussion

461.	_The climate of a given region is$?
A.	average temperature and precipitation conditions for every day of the year in a given region
B.	average temperature and precipitation conditions
C.	its weather patterns
D.	its weather
Answer» B. average temperature and precipitation conditions

Discussion

462.	_Blue revolution is associated with$?
A.	Agriculture
B.	Iron and steel
C.	Irrigation
D.	Fishing
Answer» E.

Discussion

463.	_The order of basic processes involved in succession is$?
A.	Nudation->Invasion-> competition and co action->reaction>stabilization
B.	Nudation->stabilization-> competition and co action->Invasion>reaction
C.	Invasion-> Nudation->competition and co action->Reaction>stabilization
D.	Invasion->stabilization-> competition and co action->Reaction>nudation
Answer» B. Nudation->stabilization-> competition and co action->Invasion>reaction

Discussion

464.	_High biological oxygen demand indicates:$?
A.	absence of microbial pollution
B.	moderate microbial pollution
C.	intense level of microbial pollution
D.	all of these
Answer» D. all of these

Discussion

465.	_In which Indian state is Corbet National park located$?
A.	Madya Pradesh
B.	Uttarakhand
C.	Kerala
D.	Tamilnadu
Answer» C. Kerala

Discussion

466.	_The World Wetlands Day is celebrated on ________$?
A.	February 02
B.	February 28
C.	June 05
D.	March 21
Answer» B. February 28

Discussion

467.	_From which language did the word Tsunami originate?$?
A.	Chinese
B.	Korean
C.	Japanese
D.	Malayan
Answer» D. Malayan

Discussion

468.	______________ is the poisonous gas leaked during Bhopal gas tragedy$?
A.	MIC
B.	PVC
C.	Teflon
D.	Hydrogen Sulphide
Answer» B. PVC

Discussion

469.	_The ratio of the mass of water vapor in a given volume (parcel) of air to the mass of the remaining dry air describes the:$?
A.	Absolute humidity
B.	Mixing ratio
C.	Relative humidity
D.	Dew point
Answer» C. Relative humidity

Discussion

470.	_The effects of radioactive pollutants depends upon$?
A.	Rate of diffusion
B.	Energy releasing capacity
C.	Rate of deposition of the contaminant
D.	All of these
Answer» E.

Discussion

471.	_The phenomenon of occurrence of additional species found in the ecotone or transitional zone between adjoining ecosystems is known as _________$?
A.	Edge effect
B.	Root effect
C.	Raman effect
D.	Coolidge effect
Answer» B. Root effect

Discussion

472.	_Symbiosis is shown by$?
A.	E.coli
B.	Cuscuta
C.	Rafflesia
D.	Monotropa
Answer» B. Cuscuta

Discussion

473.	_Oil spills are a source of pollution for$?
A.	water
B.	land and water
C.	land and air
D.	air and noise
Answer» C. land and air

Discussion

474.	_Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:$?
A.	Conduction
B.	Convection
C.	Latent heat
D.	Radiation
Answer» E.

Discussion

475.	_The albedo of the earth's surface is only about 4%, yet the combined albedo of the earth and the atmosphere is about 30%. Which set of conditions below best explains why this is so?$?
A.	High albedo of clouds, low albedo of water
B.	High albedo of clouds, high albedo of water
C.	Low albedo of clouds, low albedo of water
D.	Low albedo of clouds, high albedo of water
Answer» B. High albedo of clouds, high albedo of water

Discussion

476.	_Red Data Book Provides data on$?
A.	Red flowered plants
B.	Red colored fishes
C.	Lists of plants and animals
D.	Endangered plants and animals
Answer» E.

Discussion

477.	_The only ape found in India$?
A.	Gorilla
B.	Chimpanzee
C.	Hoolock gibbon
D.	Oranguttan
Answer» D. Oranguttan

Discussion

478.	_When the air temperature is below freezing, the saturation vapor pressure over water is .$?
A.	Equal to zero
B.	Less than the saturation vapor pressure over ice
C.	Greater than the saturation vapor pressure over ice
D.	Equal to the saturation vapor pressure over ice
Answer» D. Equal to the saturation vapor pressure over ice

Discussion

479.	__________ refers to the phenomenon in that the organisms are exclusively restricted to a given area.$?
A.	Ecosystem
B.	Endemism
C.	Habitat
D.	Food web
Answer» C. Habitat

Discussion

480.	_What type of energy is derived from heated groundwater?$?
A.	solar
B.	geothermal
C.	hydroelectric
D.	nuclear
Answer» C. hydroelectric

Discussion

481.	_Where was the Stockholm conference on Human Environment held?$?
A.	Sweden
B.	Austria
C.	India
D.	Greece
Answer» B. Austria

Discussion

482.	_First National Park in India$?
A.	Jim Corbert National Park
B.	Bandipur National Park
C.	Gir National Park
D.	Sunderbans National Park
Answer» B. Bandipur National Park

Discussion

483.	_Pick out the world s rarest monkey.$?
A.	Baboon
B.	Common Marmoset
C.	Golden langur
D.	Gibbon
Answer» D. Gibbon

Discussion

484.	_Evaporation is a _________ process.$?
A.	Cooling
B.	Heating
C.	Can't tell - it depends on the temperature
D.	Both a and c
Answer» B. Heating

Discussion

485.	_The first trophic level in a food chain$?
A.	Green Plants
B.	Herbivores
C.	Carnivores
D.	Bacteria
Answer» B. Herbivores

Discussion

486.	_Pick out the potent green house gas$?
A.	CO2
B.	N2O
C.	CH4
D.	O3
Answer» D. O3

Discussion

487.	__________ is the regulatory authority of quality in India$?
A.	CPCB
B.	PCBC
C.	CBCP
D.	CPBC
Answer» B. PCBC

Discussion

488.	_The main energy source for the environment is ________$?
A.	Solar energy
B.	Chemical energy
C.	Bioelectric energy
D.	Electrical energy
Answer» B. Chemical energy

Discussion

489.	_BOD stands for$?
A.	Biological Oxygen Decrease
B.	Biotic Oxygen Demand
C.	Biological Oxygen Demand
D.	None of the above
Answer» D. None of the above

Discussion

490.	_Which group of vertebrates comprises the highest number of endangered species?$?
A.	Mammals
B.	Fishes
C.	Birds
D.	Reptiles
Answer» B. Fishes

Discussion

491.	_Air pollution can be of$?
A.	natural origin
B.	artificial or man made origin
C.	both a and b
D.	b only
Answer» D. b only

Discussion

492.	_Hot spots are regions of high$?
A.	rarity
B.	endemism
C.	critically endangered population
D.	diversity
Answer» C. critically endangered population

Discussion

493.	_Forests grow in high rain fall areas are$?
A.	ever green forests
B.	temperate forests
C.	conifers
D.	Tundra
Answer» B. temperate forests

Discussion

494.	_Phytoplankton are$?
A.	Producers of forest
B.	Producers of lakes
C.	Consumers of Ocean
D.	Omnivores
Answer» C. Consumers of Ocean

Discussion

495.	_If the earth's average surface temperature were to increase, the amount of radiation emitted from the earth's surface would ____, and the wavelength of peak emission would shift toward ____ wavelengths.$?
A.	Increase, shorter
B.	Increase, longer
C.	Decrease, shorter
D.	Decrease, longer
Answer» B. Increase, longer

Discussion

496.	_Extensive planting of trees to increase forest cover is called$?
A.	Afforestation
B.	Agroforestry
C.	Deforestation
D.	Social forestry
Answer» B. Agroforestry

Discussion

497.	_Which one is nature's cleaner?$?
A.	Consumers
B.	Producers
C.	Decomposers and Scavengers
D.	Symbionts
Answer» D. Symbionts

Discussion

498.	_5th June is observed as$?
A.	World forest day
B.	World environment day
C.	World wildlife day
D.	World population day
Answer» C. World wildlife day

Discussion

499.	The formula for exponential population growth is$?
A.	dN/dt = rN
B.	dt/dN = rN
C.	dN/rN = dt
D.	rN/dN = dt
Answer» B. dt/dN = rN

Discussion

500.	Temperate forests occur in India in$?
A.	Indo-gangetic plains
B.	Himalayas
C.	Eastern India
D.	Southern peninsula
Answer» C. Eastern India

Discussion

Explore topic-wise MCQs in General Knowledge.

__Which of the following enhances soil fertility?__

__What is UNCED?__

__Some species of plants and animals are extremely rare and may occur only at a few locations are called__

___________ causes loss of water because of seepage of water into the soil.__

__Pedology?__

_The main reason why vegetables take longer to cook in boiling water at high altitudes is because:$?

_Lines connecting points of equal temperature are called:$?

_About ____ of the meteorologists and atmospheric scientists in the United States work in the field of weather forecasting.$?

_Pedology?$?

_The pyramid of numbers in a single tree is$?

_The climate of a given region is$?

_Blue revolution is associated with$?

_The order of basic processes involved in succession is$?

_High biological oxygen demand indicates:$?

_In which Indian state is Corbet National park located$?

_The World Wetlands Day is celebrated on ________$?

_From which language did the word Tsunami originate?$?

______________ is the poisonous gas leaked during Bhopal gas tragedy$?

_The ratio of the mass of water vapor in a given volume (parcel) of air to the mass of the remaining dry air describes the:$?

_The effects of radioactive pollutants depends upon$?

_The phenomenon of occurrence of additional species found in the ecotone or transitional zone between adjoining ecosystems is known as _________$?

_Symbiosis is shown by$?

_Oil spills are a source of pollution for$?

_Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:$?

_The albedo of the earth's surface is only about 4%, yet the combined albedo of the earth and the atmosphere is about 30%. Which set of conditions below best explains why this is so?$?

_Red Data Book Provides data on$?

_The only ape found in India$?

_When the air temperature is below freezing, the saturation vapor pressure over water is .$?

__________ refers to the phenomenon in that the organisms are exclusively restricted to a given area.$?

_What type of energy is derived from heated groundwater?$?

_Where was the Stockholm conference on Human Environment held?$?

_First National Park in India$?

_Pick out the world s rarest monkey.$?

_Evaporation is a _________ process.$?

_The first trophic level in a food chain$?

_Pick out the potent green house gas$?

__________ is the regulatory authority of quality in India$?

_The main energy source for the environment is ________$?

_BOD stands for$?

_Which group of vertebrates comprises the highest number of endangered species?$?

_Air pollution can be of$?

_Hot spots are regions of high$?

_Forests grow in high rain fall areas are$?

_Phytoplankton are$?

_If the earth's average surface temperature were to increase, the amount of radiation emitted from the earth's surface would ____, and the wavelength of peak emission would shift toward ____ wavelengths.$?

_Extensive planting of trees to increase forest cover is called$?

_Which one is nature's cleaner?$?

_5th June is observed as$?

The formula for exponential population growth is$?

Temperate forests occur in India in$?

Which of the following enhances soil fertility?

What is UNCED?

Some species of plants and animals are extremely rare and may occur only at a few locations are called

_________ causes loss of water because of seepage of water into the soil.

Pedology?

_If the earth's average surface temperature were to increase, the amount of radiation emitted from the earth's surface would , and the wavelength of peak emission would shift toward wavelengths.$?