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