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