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