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Energy Transfer
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MEDIUM
Earn 100
Photoautotrophs obtain energy from
(a)
Radiations
(b)
Carbon from inorganic compounds
(c)
Organic compounds
(d)
Carbon from organic compounds
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Important Questions on Energy
MEDIUM
Life Science
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Change and System
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Energy
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Energy Transfer
Which of the following process converts the light energy into chemical energy?
MEDIUM
Life Science
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Change and System
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Energy
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Energy Transfer
Glycerin is the by-product of the formation of what?
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
The chemical reaction occurs during photosynthesis is _____.
MEDIUM
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Change and System
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Energy
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Energy Transfer
Which of the following is/are the advantage(s) of biodiesel?
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
Energy flow is
MEDIUM
Life Science
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Change and System
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Energy
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Energy Transfer
Name the pollutant emitted from biodiesel.
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
Which of the following polysaccharide is produced and turns blue-black in the presence of iodine in the body of a plant?
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
The energy building process in plants start in _____ (leaves/fruits).
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
Energy flow and energy transformations in living directly confirm to the
MEDIUM
Life Science
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Change and System
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Energy
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Energy Transfer
Oxygen is produced at what point during photosynthesis?
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
Which one shows one-way passage in an ecosystem?
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
Energy transfer from one trophic level to another in a food chain is
MEDIUM
Life Science
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Change and System
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Energy
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Energy Transfer
Biodiesel is made by which of the following reactions?
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
The advantage of this fuel is that it is a clean-burning renewable fuel
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
Biodiesels are prepared by _____.
MEDIUM
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Change and System
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Energy
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Energy Transfer
What is the use of base catalyst?
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
Plants take in carbon dioxide for photosynthesis but need _____ for their living. (Do not write its molecular formula)
MEDIUM
Life Science
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Change and System
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Energy
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Energy Transfer
The two main process in the carbon cycle are
MEDIUM
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Change and System
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Energy
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Energy Transfer
Which of the following produces a negative impact on the formation of biodiesel?
EASY
Life Science
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Change and System
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Energy
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Energy Transfer
The food chain in which microorganisms break down the energy-rich compounds synthesised by the producers is called
