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