MCQs Botany-14 Posted on 2024-07-122024-11-08Author admin 0 MCQs Botany-14 1. What are the three pillars of sustainability? Economic, political, and cultural None of these Environmental, social, and technological Economic, social, and environmental 2. Who coined the term “genetics”? Gregor Mendel None of these William Bateson Charles Darwin 3. Cytochromes contain a unique molecule called a ——— Carotenoid Hemoglobin Heme group Chlorophyll 4. ——– is the deepest part of a lake or ocean, where light is scarce or absent Benthic zone Neritic zone Littoral zone Profundal zone 5. Phenotypic plasticity allows organisms to ——- Avoid all environmental stresses Adjust to varying environmental conditions None of these Permanently change their genetic code 6. Acclimation refers to ———- None of these Behavioral adaptation Genetic changes over generations Short-term physiological adjustments 7. Producers are organisms that use sunlight or chemical energy to create organic matter. Which of the following are NOT producers in an aquatic ecosystem? Decomposers Mangroves Phytoplankton Kelp 8. Ecological niche refers to——— Immediate physiological adjustments Long-term evolutionary changes None of these The role and position of a species in its environment 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. The word “cytochrome” comes from the Greek words for———— Green pigment Cell color Energy transfer Light reaction Loading …
