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