A. Selectively absorbs red wavelenghts of visible light and scatters the rest
B. Selectively scatters red wavelenghts of visible light and absorbs the rest
Answer: Option B
null
✅ The correct answer is option B.
Environmental Science MCQs
292. Which of the following will decrease in a rising parcel of air?
A. Relative humidity
B. Absolute humidity
C. Specific humidity
D. All of the above
✅ The correct answer is option B.
The air parcel expands as it rises and this expansion, or work, causes the temperature of the air parcel to decrease. As the parcel rises, its humidity increases until it reaches 100%. When this occurs, cloud droplets begin forming as the excess water vapour condenses on the largest aerosol particles.
The air parcel expands as it rises and this expansion, or work, causes the temperature of the air parcel to decrease. As the parcel rises, its humidity increases until it reaches 100%. When this occurs, cloud droplets begin forming as the excess water vapour condenses on the largest aerosol particles.
293. Which of the following is false?
A. Quantity of biomass in a trophic level at a particular period is called as standing crop
B. The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.
C. The succession that occurs in newly cooled lava is called primary succession
D. Rate of succession is faster in secondary succession
✅ The correct answer is option B.
The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.
The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.
294. Electromagnetic radiation with wavelengths between 0.4 and 0.7 micrometers is called:
A. Ultraviolet light
B. Visible light
C. Infrared light
D. Microwaves
✅ The correct answer is option B.
The higher the frequency, the shorter the wavelength. The only part of the spectrum that we can see is called visible. Wavelengths between 0.4 and 0.7 micrometers are visible. It appears white but contains different colors.
The higher the frequency, the shorter the wavelength. The only part of the spectrum that we can see is called visible. Wavelengths between 0.4 and 0.7 micrometers are visible. It appears white but contains different colors.
295. Synecology deals with
A. Ecology of many species
B. Ecology of many populations
C. Ecology of community
D. None of the above
✅ The correct answer is option C.
Synecology is a subfield of ecology concerned with the relations between groups of organisms or coexisting biological communities.
Synecology is a subfield of ecology concerned with the relations between groups of organisms or coexisting biological communities.
296. The most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemisphere is that:
A. The earth is closer to the sun in January
B. The earth is farther from the sun in July
C. Over 80% of the Southern Hemisphere is covered with water
D. The sun’s energy is less intense in the Southern Hemisphere
✅ The correct answer is option C.
Over 80% of the Southern Hemisphere is covered with water.
Over 80% of the Southern Hemisphere is covered with water.
297. The head quarter of IUCN is located in
A. Paris
B. Switzerland
C. England
D. Germany
✅ The correct answer is option B.
Its headquarters are in Gland, Switzerland. IUCN has observer and consultative status at the United Nations and plays a role in the implementation of several international conventions on nature conservation and biodiversity.
Its headquarters are in Gland, Switzerland. IUCN has observer and consultative status at the United Nations and plays a role in the implementation of several international conventions on nature conservation and biodiversity.
298. The term “Nuclear winter” is associated with
A. Nuclear War
B. Nuclear disarmament
C. Nuclear weapon testing
D. After effect of a nuclear explosion
✅ The correct answer is option D.
Nuclear winter is a severe and prolonged global climatic cooling effect hypothesized to occur after widespread firestorms following a nuclear war. The hypothesis is based on the fact that such fires can inject soot into the stratosphere, where it can block some direct sunlight from reaching the surface of the Earth.
Nuclear winter is a severe and prolonged global climatic cooling effect hypothesized to occur after widespread firestorms following a nuclear war. The hypothesis is based on the fact that such fires can inject soot into the stratosphere, where it can block some direct sunlight from reaching the surface of the Earth.
299. The first oil well was drilled in the United States in
A. 1829
B. 1859
C. 1929
D. 1959
✅ The correct answer is option B.
On August 27, 1859, George Bissell and Edwin L. Drake made the first successful use of a drilling rig on a well drilled especially to produce oil, at a site on Oil Creek near Titusville, Pennsylvania.
On August 27, 1859, George Bissell and Edwin L. Drake made the first successful use of a drilling rig on a well drilled especially to produce oil, at a site on Oil Creek near Titusville, Pennsylvania.
300. The atmospheric layer in which we live is called the:
A. Troposphere
B. Stratosphere
C. Thermosphere
D. Ionosphere
✅ The correct answer is option A.
The troposphere is the lowest layer of the atmosphere. This is the layer where we live and where weather happens. Temperature in this layer generally decreases with height. The boundary between the stratosphere and the troposphere is called the tropopause.
The troposphere is the lowest layer of the atmosphere. This is the layer where we live and where weather happens. Temperature in this layer generally decreases with height. The boundary between the stratosphere and the troposphere is called the tropopause.