EASY
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What could be the end products of the process of photosynthesis?

Important Questions on Nutrition - Food Supplying System

MEDIUM
Explain the structure of cell-organelle that performs the photosynthesis, with the help of a labelled diagram
HARD
Why do we use KOH in Moll’s half leaf experiment?
MEDIUM

 What precautions do you take while conducting an experiment on root pressure?

EASY
As a result of photosynthesis, leaves prepare food in the form of
EASY
Living things which can make their own food are the_____. (heterotrophs/autotrophs/saprotrophs)
MEDIUM
Name the pores through which leaves exchange gases. (Stomata/Lenticels)
EASY
Human beings and animals provide _____ gas to the plant. (carbon dioxide/carbon monoxide)
MEDIUM

A destarched leaf on a potted plant was covered with black (A), white (B), and transparent (C) strips of paper, as shown in the figure. After six hours of exposure to sunlight, the leaf was removed from the plant and tested for starch. Which one of the following will be the correct observation?

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MEDIUM
What will happen if plant leaves are devoid of stomata? 
EASY
Organisms that make their own food are called _____ (heterotrophs/autotrophs).
MEDIUM
List three things that plants get from the environment.
MEDIUM
The addition of iodine solution to the potato extract in a test tube produces which colour in the solution?
EASY
_____ is not required by the plants for photosynthesis.
MEDIUM

The iodine solution used to test the presence of starch is prepared by

EASY
Explain why, chloroplast are found only in plants cells.