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