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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
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उत्तर
(c)
Carbon dioxide enters the leaves through tiny pores present on the surface of the leaf called stomata.
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संबंधित प्रश्न
How are oxygen and carbon dioxide transported in human beings?
Out of photosynthesis and respiration in plants, which process occurs:
- all the time?
- only at daytime?
In the lungs, what substance is taken into the body?
Which contains more carbon dixoide : exhaled air or inhaled air? Why?
Which of the following is correct for the process of anaerobic respiration?
When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of ______.
Veins and arteries carry blood. Which of these carry blood away from the heart?
The ______ blood cells make antibodies whereas ______ blood cells help in respiration.
Answer this question.
Name the organ of respiration in fishes.
Differentiate between
External respiration and Internal respiration
Name the body structure concerned with the given functional activity:
Combines with the oxygen in the lungs.
Name the body structure concerned with the given functional activity:
Provides actual diffusion of respiratory gases in the lungs.
State one function of the following:
Diaphragm
How is the respiratory passage kept free of dust particles?
Given below is an overall chemical reaction of a certain process:
C6H12O6→LacticAcid+2ATP+Heat energy
Is this reaction applicable to animals or to plants or to both animals and plants?
With regard to the respiratory system and the process of respiration in man, answer the following question:
What is meant by :
- Residual air and
- Dead air space
Define respiration.
Why is respiration essential for life?
Glycolysis process occurs in which part of the cell?
Match the correct answers with the type of respiration and respiratory substances.
| Respiration | Types of Substrates |
| A. Floating respiration | I. Proteins |
| B. Cytoplasmic respiration | II. Glucose |
| C. Protoplasmic respiration | III. Carbohydrates and fats |
