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