MCQs Botany-14 Posted on 2024-07-122024-11-08Author admin 0 MCQs Botany-14 1. What are the three pillars of sustainability? Environmental, social, and technological Economic, social, and environmental Economic, political, and cultural None of these 2. Producers are organisms that use sunlight or chemical energy to create organic matter. Which of the following are NOT producers in an aquatic ecosystem? Phytoplankton Mangroves Decomposers Kelp 3. During the daytime, if the stomata remain closed for extended periods, the concentration of O2 within the leaf is likely to ————— Decrease Increase Unchanged 4. The word “cytochrome” comes from the Greek words for———— Green pigment Light reaction Energy transfer Cell color 5. Acclimation refers to ———- None of these Genetic changes over generations Short-term physiological adjustments Behavioral adaptation 6. Cytochromes contain a unique molecule called a ——— Hemoglobin Chlorophyll Carotenoid Heme group 7. Who coined the term “genetics”? William Bateson None of these Gregor Mendel Charles Darwin 8. Phenotypic plasticity allows organisms to ——- Adjust to varying environmental conditions None of these Avoid all environmental stresses Permanently change their genetic code 9. Ecological niche refers to——— Immediate physiological adjustments The role and position of a species in its environment Long-term evolutionary changes None of these 10. ——– is the deepest part of a lake or ocean, where light is scarce or absent Profundal zone Benthic zone Littoral zone Neritic zone Loading …
