MCQs Biology-24 Posted on December 2, 2025December 2, 2025Author agropublishers 0 MCQs Biology-24 1. __________ describes the ability of an organism to produce abundant offspring or eggs Productivity Fertility Reproductive capacity Fecundity 2. The first stable product of C3 photosynthesis is _________ Pyruvate Oxaloacetate 3-phosphoglycerate Malate 3. The ratio of red to far-red light primarily affects which physiological process in plants? Stomatal index ATP synthase activity Phytochrome signaling Rubisco oxygenase activity 4. Which of the following is a placental mammal? Bat Kangaroo Opossum Rat 5. Sea urchins belong to the phylum ________ Echinodermata Chordata Mollusca Hemichordata 6. Waxes are an example of ———— Lipid Disaccharide Polysaccharide Monosaccharide 7. In prokaryotic cells, the flagellar filament is directly assembled from subunits that originate and extend outward from the _________ Cell membrane Nucleus Cell wall Basal body 8. Fructose is a ———— Disaccharide Lipid Monosaccharide Polysaccharide 9. Albedo refers to _________ Light reflection Light absorption Light scattering only Light refraction 10. Which organelle is the site of photosynthesis? Ribosome Chloroplast Mitochondria Golgi apparatus Loading … Question 1 of 10