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प्रश्न
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
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उत्तर
Diffusion
Air enters the stomatal opening in plant cells, after which the exchange of respiratory gases occurs by diffusion.
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संबंधित प्रश्न
Carbon dioxide enters into the leaves through tiny pores present on the surface of the leaf called _________.
(a) chlorophyll
(b) chloroplast
(c) stomata
(d) epidermis
What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer.
Describe the exchange of gases which takes place in the leaves of a plant during daytime.
What type of respiration takes place in yeast?
Which of the following is not produced during anaerobic respiration in unicellular fungus?
The two organisms which breath only through their moist skin are ______.
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is ______.
In cockroaches, air enters the body through ______.
Answer this question.
What are the holes on the sides of the body of insects called?
Answer the following in one word.
What is the muscular sheet below the lungs called?
Tick the most appropriate answer.
The products of respiration are :
Answer the following in short.
Define respiration.
Name the body structure concerned with the given functional activity:
Transports oxygen to the body cells.
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
State one function of the following:
Mitochondria
State one function of the following:
Diaphragm
Rewrite the following statement by selecting the correct option.
During respiration, ____________ gas is given out.
Name the organs that bring about respiration.
With which of the following haemoglobin combines to form carboxyhaemoglobin?
Explain the three pathways of breakdown in living organisms.
