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