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