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