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