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