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