Advertisements
Advertisements
Question
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.
Options
True
False
Advertisements
Solution
This statement is false.
Explanation:
Destarching of the foliage of a potted plant can occur not only at night but also when the plant is exposed to continuous darkness for a specific period. This process can be occur in the absence of light and entails the removal of stored starch.
APPEARS IN
RELATED QUESTIONS
An experiment was set up as shown in the figure given below . The twig in the diagram was intact on the plant and it was as such in sunlight for a few hours .

(i) What is the aim of the above experiment ?
(ii) Why was potassium hydroxide placed inside the conical flask ?
(iii) What test would you perform on the leaf inside the flask?
(iv) What is the expected result of the above test ?
(v) Is it necessary to similarly test on outer leaf also ? Giva a reason .
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.
How would you demonstrate that green plants release oxygen when exposed to light?
How do non-green plants such as fungi and bacteria obtain their nourishment?
All life owes its existence to chlorophyll. Give reason.
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.

- Name the phenomenon represented.
- Name any one organism that could be shown at No. 5.
- Name the biological process which was the starting point of the whole chain.
- Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.
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
Complete the following sentence with appropriate word:
________molecules of chlorophyll make one quantasome.
Name two plants having variegated leaves.
