MCQs Biology-22 Posted on November 28, 2025November 28, 2025Author agropublishers 0 MCQs Biology-22 1. The brush border enzymes are located in ———– Stomach mucosa Pancreatic duct Microvilli of enterocytes Duodenal lumen 2. Meiosis reduces the chromosome number by half, resulting in haploid gametes. _______________ restores the diploid number when two gametes fuse Gametogenesis Replication Fertilization Cytokinesis 3. Biotechnology uses ———- Organisms for practical applications Only chemicals in the lab Fossil records Ecosystem analysis 4. 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 5. Which part of the tree forms the tree rings? Bark Cambium Phloem Sapwood 6. The wavelength region that activates phytochrome is __________- Green light UV-B Blue light Red and far-red light 7. Bioinformatics primarily deals with ————— Biological data using computational tools Organism anatomy Ecosystem modeling Protein purification 8. What is the primary pigment involved in photosynthesis? Carotenoid Chlorophyll a Anthocyanin Chlorophyll b 9. Protista are believed to have originated from _________ Animalia Fungi Monera Plantae 10. Phycology is the scientific study of ————– Fungi Viruses Algae Bacteria Loading … Question 1 of 10
