MCQs Biology-22 Posted on November 28, 2025November 28, 2025Author agropublishers 0 MCQs Biology-22 1. Biotechnology uses ———- Organisms for practical applications Fossil records Only chemicals in the lab Ecosystem analysis 2. The brush border enzymes are located in ———– Stomach mucosa Pancreatic duct Duodenal lumen Microvilli of enterocytes 3. Bioinformatics primarily deals with ————— Biological data using computational tools Ecosystem modeling Protein purification Organism anatomy 4. The wavelength region that activates phytochrome is __________- UV-B Red and far-red light Blue light Green light 5. Phycology is the scientific study of ————– Viruses Bacteria Fungi Algae 6. Which part of the tree forms the tree rings? Bark Sapwood Phloem Cambium 7. Protista are believed to have originated from _________ Animalia Fungi Monera Plantae 8. What is the primary pigment involved in photosynthesis? Carotenoid Chlorophyll b Anthocyanin Chlorophyll a 9. What are the primary causes of forest fires? Only human activities Neither natural factors nor human activities Both natural factors and human activities Only natural factors 10. Meiosis reduces the chromosome number by half, resulting in haploid gametes. _______________ restores the diploid number when two gametes fuse Fertilization Gametogenesis Cytokinesis Replication Loading … Question 1 of 10