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