Advertisements
Advertisements
प्रश्न
What is the name of those cells in the leaf of a plant which control the opening and closing of stomata?
उत्तर
Guard cells control the opening and closing of stomata.
APPEARS IN
संबंधित प्रश्न
Name the following:
The pores through which leaves exchange gases.
All animals and fungi are autotrophs.
Why do plants need nitrogen? How do plants obtain nitrogen?
An organism A which cannot move from one place to another, makes a simple food B from the substances C and D available in the environment. This food is made in the presence of a green coloured substance E present in organs F in the presence of light energy in a process called G. Some of the simple food B also gets converted into a complex food H for storage purposes. The food H gives a blue-black colour with dilute iodine solution.
(a) What is (i) organism A (ii) food B, and (iii) food H?
(b) What are C and D?
(c) Name (i) green coloured substance E, and (ii) organ F.
(d) What is the process G?
Distinguish between: Autotrophic nutrition and Heterotrophic nutrition.
Why is plant food not produced in any other parts of the plant except the green ones?
Autotrophic organisms include ____________.
The internal (cellular) energy reserve in autotrophs is
In the given diagram of a closed stomata: (1), (2), (3) and (4) respectively are:
What are the by-products of autotrophic nutrition?
