Advertisements
Advertisements
Question
Will a leaf taken from a potted plant kept in a dark room for a few days turn blue black when tested for starch? Give reasons for your answer.
Advertisements
Solution
No, it will not turn blue black because all the starch stored in the leaf would have been used up by the plant and no starch would be synthesised in the leaves due to the non-availability of sunlight.
APPEARS IN
RELATED QUESTIONS
Give an example of the following and draw generalized diagram for the same:
Parallel venation and reticular venation
Fill in the blank
_______ is an enlarged, roughly spherical-shaped stem storing food.
State if the following statement Is true or false. Correct the statement if it is false.
In reticulate venation, veins and veinlets are irregularly distributed over the entire lamina, forming a network.
State if the following statement Is true or false. Correct the statement if it is false.
Anther, style and stigma are the parts of a pistil.
We eat different parts of various plants. Write the part of the plant that we eat.
Carrot ________
We eat different parts of various plants. Write the part of the plant that we eat.
Lady's finger _________
Answer the following in detail
What are the different agents of seed dispersal?
Give examples of 3 plants that have:
leaves which close at night
Certain property is mentioned below. Find a leaf corresponding to the property and describe that plant.
Leaves with smooth surface
Short Answer Type Question:
Explain the main functions of leaf.
