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