Energy Flow in Ecosystem
Which law states that, conversion of energy from one form to another is not 100% efficient?
First law of thermodynamics
Second law of thermodynamics
Energy flow
Biological system
Second law of thermodynamics
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50% of incident energy is lost due to:A. Consumers
B. Producers
C. Microorganisms
D. Planktons
What is an average incident energy ?
A. 3000kcal/m2/day
B. 2000kcal/m2/day
C. 5000kcal/m2/day
D. 6000kcal/m2/day
Phenomenon, by which some primarily bacteria utilize chemicals to generate energy rich compounds, known as
A. Autosynthesis
B. Polysynthesis
C. Photosynthesis
D. Chemosynthesis
What is ultimate source of energy in an ecosystem?
A. Sunlight
B. Nutrients
C. Food
D. Water
Bacteria obtains useful energy by oxidation of certain elements, such as:
A. Nutrients
B. Sulphur and iron
C. Calcium
D. Phosphorous
Most of solar radiation is reflected by
A. Atmospheric clouds
B. dust
C. gases
D. All of above
One way flow of energy through an ecosystem continuous in
A. Biological System
B. Chemical process
C. Environment
D. Atmosphere
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