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