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