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