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