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