MCQs Botany-14 Posted on 2024-07-122024-11-08Author admin 0 MCQs Botany-14 1. Phenotypic plasticity allows organisms to ——- Adjust to varying environmental conditions Avoid all environmental stresses Permanently change their genetic code None of these 2. Acclimation refers to ———- Genetic changes over generations Short-term physiological adjustments Behavioral adaptation None of these 3. During the daytime, if the stomata remain closed for extended periods, the concentration of O2 within the leaf is likely to ————— Unchanged Increase Decrease 4. 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 Decomposers Kelp Phytoplankton 5. Ecological niche refers to——— The role and position of a species in its environment Immediate physiological adjustments None of these Long-term evolutionary changes 6. ——– is the deepest part of a lake or ocean, where light is scarce or absent Littoral zone Profundal zone Benthic zone Neritic zone 7. Cytochromes contain a unique molecule called a ——— Chlorophyll Hemoglobin Heme group Carotenoid 8. The word “cytochrome” comes from the Greek words for———— Light reaction Green pigment Energy transfer Cell color 9. Who coined the term “genetics”? Charles Darwin William Bateson Gregor Mendel None of these 10. What are the three pillars of sustainability? None of these Economic, social, and environmental Environmental, social, and technological Economic, political, and cultural Loading …
