MCQs Botany-14 Posted on 2024-07-122024-11-08Author admin 0 MCQs Botany-14 1. ——– is the deepest part of a lake or ocean, where light is scarce or absent Neritic zone Benthic zone Littoral zone Profundal zone 2. During the daytime, if the stomata remain closed for extended periods, the concentration of O2 within the leaf is likely to ————— Unchanged Decrease Increase 3. Cytochromes contain a unique molecule called a ——— Carotenoid Chlorophyll Hemoglobin Heme group 4. Ecological niche refers to——— None of these The role and position of a species in its environment Immediate physiological adjustments Long-term evolutionary changes 5. Acclimation refers to ———- Genetic changes over generations None of these Short-term physiological adjustments Behavioral adaptation 6. Phenotypic plasticity allows organisms to ——- Permanently change their genetic code None of these Adjust to varying environmental conditions Avoid all environmental stresses 7. Who coined the term “genetics”? Gregor Mendel Charles Darwin None of these William Bateson 8. What are the three pillars of sustainability? None of these Economic, social, and environmental Economic, political, and cultural Environmental, social, and technological 9. The word “cytochrome” comes from the Greek words for———— Green pigment Energy transfer Cell color Light reaction 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? Kelp Phytoplankton Decomposers Mangroves Loading …
