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