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प्रश्न
Distinguish between photosynthesis and aerobic respiration.
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उत्तर
| No. | Photosynthesis | Aerobic respiration |
| 1. | It takes place in the cells containing chloroplasts. | It takes place in all living cells of higher organisms. |
| 2. | It occurs in chloroplast. | It occurs in the cytoplasm and mitochondria. |
| 3. | It is an energy-trapping process. | It is an energy-releasing process. |
| 4. | It is an anabolic process. | It is a catabolic process. |
| 5. | This process requires CO2 and H2O. | This process requires sugar and O2. |
| 6. | Light is necessary for photosynthesis. | Light is not necessary for aerobic respiration. |
| 7. | The end products are carbohydrates and oxygen. | The end products are CO2, H2O and energy. |
| 8. | Overall equation: \[\ce{6CO2 + 12H2O -> C6H12O6 + 6H2O + 6O2↑}\] |
Overall equation: \[\ce{C6H12O6 + 6O2 -> 6H2O + 6CO2 + Energy}\] |
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संबंधित प्रश्न
The size of the chest cavity increases during inhalation.
In human respiration, chemical energy is released in the form of ______.
Explain the mechanism of breathing.
Make the correct pairs.
| Column – I | Column – II |
| (P) IC | i. maximum volume of air breathe in after forced. |
| (Q) EC | ii. Volume of air present after expiration in lungs. |
| (R) VC | iii. Volume of air inhaled after expiration. |
| (S) FRC | iv. Volume of air present after expiration in lungs. |
Observe the figures given in Figures 10.3 (A) and (B) and answer the following.
In the figure label the arrows and indicate the direction of
- movement of air
- movement of the diaphragm
- movement of ribs
Assertion: During inhalation, the diaphragm goes downward.
Reason: The volume of the thoracic cavity decreases.
The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are ______
What is phosphorylation?
Which one has the lowest value?
Listed below are four respiratory capacities (1 - 4) and four jumbled respiratory volumes of a normal human adult
| Respiratory Capacities | Respiratory Volumes |
| 1. Residual volume | 2500 mL |
| 2. Vital capacity | 5500 mL |
| 3. Inspiratory sore volume | 1200 mL |
| 4. Total Lung capacity | 4500 mL |
Which one of the following is the correct matching of two capacities and volumes?
