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