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