MCQs Biology-25 Posted on December 2, 2025December 2, 2025Author agropublishers 0 MCQs Biology-25 1. The movement of water molecules from a region of high concentration to an area of low concentration across a semipermeable membrane is called _______ Active transport Osmosis Diffusion Filtration 2. The Warburg effect describes ___________ Reduced photosynthesis with high CO₂ Reduced photosynthesis with high O₂ Increased respiration at night Enhanced chlorophyll synthesis 3. The Latin name humans, ie., Homo sapiens consists of which taxonomic ranks? Genus & Family Genus & Species Genus & Class Family & Order 4. In humans, the organ that produces insulin is the ______ Thyroid Spleen Pancreas Liver 5. Photorespiration increases when ___________ O₂ is low CO₂ is high Light is low Temperature is high 6. The key product of light reactions include ________ Glucose Acetyl-CoA Pyruvate ATP and NADPH 7. Which pigment absorbs blue and red light most strongly? Carotene Chlorophyll b Chlorophyll a Xanthophyll 8. Which of the following is an acellular organism that completely lacks a nucleus and other organelles? Escherichia coli Saccharomyces cerevisiae Chlamydomonas Tobacco Mosaic Virus 9. Integrated Farming System primarily aims to Maximize livestock population Promote monocropping Optimize resource utilization and sustainability Increase use of chemical fertilizers 10. Rubisco catalyzes a crucial step of which reaction? NADP⁺ reduction CO₂ reduction ATP synthesis CO₂ fixation Loading … Question 1 of 10
