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