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