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प्रश्न
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
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उत्तर
(c) Mitochondria.
Cellular respiration is a biochemical process in which simple nutrients such as glucose are oxidised within the cells to release energy. This process takes place in the mitochondria of the cells.
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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
The breakdown of pyruvate to give carbon dioxide, water, and energy takes place in ______.
Name the red pigment which carries oxygen in blood.
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
In the lungs, what substance is taken into the body?
Explain why, a land plant may die if its roots remain waterlogged for a long time.
Fill in the following blank with a suitable word:
Gills are the breathing organs in ______.
State the three common features of all the respiratory organs like skin, gills and lungs.
Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans?
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to ______.
Choose the odd one out in the following groups of four items each:
Hairy, Moist, Nostril, Vocal cord
Name the body structure concerned with the given functional activity:
Prevents food from entering the trachea during swallowing.
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 |
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Diaphragm and _____________.
Given below is an overall chemical reaction of a certain process:
C6H12O6→LacticAcid+2ATP+Heat enengy
Name one tissue in which this reaction occur.
With regard to the respiratory system and the process of respiration in man, answer the following question :
Give the overall chemical equation to represent the process of respiration in humans.
The major fraction of CO2 released during cellular respiration is transported by the blood to the lung capillaries ______
How much percent of C02 is transported in a dissolved form as carbonic acid?
Breathing is a process that
- provides O2 to the body.
- breaks down food to release energy.
- helps the body to get rid of CO2.
- produces water in the cells.
Which of the following gives the correct combination of functions of breathing?
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 |
