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