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