EASY
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Plants reserve food material in the form of starch that is produced through photosynthesis.

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Important Questions on Energy

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