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