MCQ
$C_{4}$ pathway is advantageous over $C_{3}$ pathway in plants. because it
- ✓Occurs in relatively low $c o_{2}$ concentration
- BUses more amount of water
- COccurs in relatively low $O_{2}$ concentration
- DIs less efficient in energy utilisation
When the weather is hot and arid, the leaves close their stomata to reduce water loss. This closure results in low $CO _{2}$ concentrations and thus, leading to both loss of $RuBP$ and inhibition of Calvin-Benson cycle.
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| | Column I | | Column II |
| A. | Sternum | i. | Synovial fluid |
| B. | Glenoid Cavity | ii. | Vertebrae |
| C. | Freely movable joint | iii. | Pectoral girdle |
| D. | Cartilaginous joint | iv. | Flat bones |