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