MCQs Botany-16 Posted on 2024-07-142024-11-08Author admin 0 MCQs Botany-16 1. Guttation occurs through —-. Salt glands Stomata Hydathodes Lenticels 2. Which of the following plants uses the C4 pathway? Maize Cactus Wheat Pineapple 3. At which temperature (oC) water has maximum density? 0 °C 100 °C 4 °C 50 °C 4. For metabolic processes of the cell, energy is supplied by ————-molecules. AMP ATP ADP NADP 5. ———— is the causal organism of citrus canker Bacillus subtilis Erwinia amylovora Xanthomonas citri Pseudomonas syringae 6. What happens when plants take up excessive sodium? Calcium uptake decreases Potassium uptake increases Nitrogen uptake increases Potassium uptake decreases 7. The shrinkage of protoplasm due to loss of water is known as —— Endosmosis Plasmolysis Exosmosis Diffusion 8. Which of the following is considered a persistent organic pollutant (POP)? Carbon monoxide Ozone DDT Benzene 9. What is the role of aquatic producers in an ecosystem? To produce organic matter from sunlight To decompose organic matter To prey on secondary consumers To consume other organisms 10. ——— is a monosaccharide and the most common source of energy for cells Galactose Glucose Ribose Fructose Loading …
