Of the solar energy coming into the Biosphere, what percentage of it is actually used in the photosynthesis?

A Less than 1
B Between 1% and 15%
C Between 15% and 2%
D More than 2%

Correct Answer: More than 2%

More than 2% of the solar energy coming into the Biosphere is actually used in the photosynthesis. Most solar energy occurs at wavelengths unsuitable for photosynthesis. Between 98% and 99% of solar energy reaching the Earth is reflected from leaves and other surfaces and absorbed by other molecules, which convert it to heat. Thus, only 1% to 2% is available to be captured by plants.
Bissoy MCQ
#Geography #World Environment And Ecology

Related Questions

Read the paragraph and answer the question-photosynthesis is a process in which radiant energy from sun is stored as chemical energy , which in turn is used to decompose carbon dioxide and water. The product of their decomposition are recombined into a new compound which successively builds, up into more and more complex organic substances like sugars, starches and cellulose that comprise the plant.The word stored in the paragraph is closest in morning to
A specified
B retained
C converted
D discovered
8% of the people eligible to vote are between 18 and 21. In an election 85% of those eligible to vote who were between 18 and 21 actually voted. In that election, people between 18 and 21 who actually voted were what percent of those people eligible to vote?
A 4.2
B 6.4
C 6.8
D 8
When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in
A Raman spectra
B Absorption spectra
C Emission spectra
D Fluorescence
The owner of Aarong starts to calculate the percentage of customers who purchase Tagas. if 40% of the total customers who visit the store actually purchase goods and 15% of them purchase tagas, then what percentage of Aarong's customers are Taga buyers?
A 4%
B 6%
C 8%
D 12%
Ozone saves the biosphere by absorbing high energy radiations called ________ .
A Infra-red (IR)
B Gamma rays
C Ultraviolet rays (UV)
D X–rays
A chemist was preparing a solution that should have included 35 milligrams of chemical . If she actually used 36.4 milligrams,what was her percentage error ( to the nearest 0.01)?
A 0.04%
B 4.00%
C 1.40%
D 3.85%
A chemist was preparing a solution that should have included 401 milligrams of chemical . If she actually used 41.8 milligrams, what was her percentage error ?
A 0.045%
B 0.45%
C 4.50%
D 3.85%
On the average, about what percentage of the solar energy that strikes the outer atmosphere eventually reaches the earth's surface?
A 5%
B 15%
C 30%
D 50%
E 70%
Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year
A Once
B Twice
C Thrice
D Four times
The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:
A Reflectance
B Reflectance factor
C Albedo
D None of these

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