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