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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
Given below are the end products of different reactions involving glucose.
Write the reaction number in front of the following:
(i) Anaerobic reaction =
(ii) Reaction in the human muscles =
(iii) Aerobic respiration =
(iv) Reaction in the plant cells =
(v) Reaction in the liver
What are the different ways in which glucose is oxidised to provide energy in various organisms? Give one example of each.
Which of the following is the correct statement regarding bile?
What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer.
Describe the process of respiration in the following part of a plant:
Leaves
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
What are the major organs of respiratory system in man (or humans)?
What type of respiration takes place in yeast?
One of the following animals does not use tracheae as the respiratory organs. This animal is ______.
The breathing and respiration in woody stem of a plant takes place through ______.
|
Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
|
- Name one organism which respires according to equation (i) above.
- Name one organism which respires according to equation (ii) above.
- When and where does respiration represented by equation (iii) above take place?
- Which equation/equations represent aerobic respiration?
- Which equation/equations represent anaerobic respiration?
- Which of the above reactions produces the maximum amount of energy?
Veins and arteries carry blood. Which of these carry blood away from the heart?
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 |
term 'respiration' includes
How much percent of C02 is transported in a dissolved form as carbonic acid?
Glycolysis process occurs in which part of the cell?
Match List I with List II:
| List I | List II |
| A. Oxidative decarboxylation | I. Citrate synthase |
| B. Glycolysis | II. Pyruvate dehydrogenase |
| C. Oxidative phosphorylation | III. Electron transport sytem |
| D. Tricarboxylic acid cycle | IV. EMP pathway |
Choose the correct answer from the options given below:
