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