EASY
Earn 100

A Black-paper experiment is done to prove that carbon dioxide is necessary to form starch during photosynthesis.

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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?

HARD
Sunlight is necessary to form starch during photosynthesis. Please explain with the help of an experiment.
EASY
The aim of Moll's experiment is to demonstrate that chlorophyll is necessary for the process of photosynthesis in autotrophs.
EASY
What could be the end products of the process of photosynthesis?
EASY
A plant is kept in dark cupboard for about forty-eight hours before conducting any experiment on Photosynthesis in order to:
EASY
To prove that _____ (sunlight/carbon dioxide) is necessary for plants during photosynthesis, a black paper experiment is done.
EASY
Iodine test is used to test the presence of starch in leaves.
EASY
Name the three end products of photosynthesis?
MEDIUM
How would you demonstrate that green plant release oxygen when exposed to light?
HARD
Arrange the statements with respect to Moll's half-leaf experiment:
(i)Insert splitted cork in the mouth of the bottle.
(ii)Leave the plant in sunlight.
(iii)Take a wide-mouthed transparent bottle.
(iv)Put potassium hydroxide pellets or potassium hydroxide solution in the bottle.
(v)The leaf part which was exposed to the atmospheric air becomes bluish-black.
EASY
Blue-black colour indicates the presence of starch in the tested food item. 
EASY
Which experiment is done, to prove that sunlight is necessary to form starch.
EASY
What process do you follow in the laboratory to study the presence of starch in leaves?
EASY
Blue-black colour indicates the presence of starch in the tested food item. 
MEDIUM
In an experiment demonstrating the evolution of oxygen in Hydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favourable?
EASY

Give reason:

Why is it necessary to destarch a plant before performing any experiment on photosynthesis?

EASY
Give reason: Why is it necessary to destarch a plant before performing any experiment on photosynthesis?