Advertisements
Advertisements
प्रश्न
A healthy oat seeding in a pot is transferred from light to any airy but completely dark room. How would it differ from its original condition in appearance after about a week? Explain the difference.
Advertisements
उत्तर
The leaves of the oat plant will turn yellow and the seedling will die because photosynthesis will not take place.
APPEARS IN
संबंधित प्रश्न
Two healthy green plants were placed in the dark for 24 hours. They were then set up, as shown in the figure, for 4 hours. Then a leaf was taken from each plant and
the chlorophyll was removed from the leaves:
( i) What is the next and final step in this experiment?
( ii ) What would be the results of the final step?
( iii ) Why was it necessary to grease the glass sheet?
( iv ) What hypothesis is being tested in this experiment?

Name the following:
The source of carbon dioxide for aquatic plants.
Mention one difference between the following on the basis of what is given in bracket.
Chlorophyll and chloroplast (part of plant cell)
Are the following statement true or false? Give a reason in support of your answer.
Destarching of the leaves of a potted plant can occur only at night.
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.

Name any one organism that could be shown at No .5
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.

Name the biological process which was the starting point of the whole chain.
Given alongside is the diagram of an experimental set-up:

Would you take any step before starting the experiment? Describe this step and explain its necessity.
Where are the chlorophyll pigments present in a cell?
Differentiate Between:
Light reaction and Dark reaction.
Give reasons/explain:
During the starch test, the leaf is boiled in water.
