MCQs Biology-18 Posted on November 27, 2025December 3, 2025Author agropublishers 0 MCQs Biology-18 1. ————- is an older or alternative scientific name for mitochondria Mitosome Condriome Chondriosomes Energysome 2. DNA denaturation involves breaking ———- Hydrogen bonds between bases Sugar bonds Amino Bond Phosphodiester bonds 3. Deficiency of vitamin D results in———– Rickets Night blindness Scurvy Pernicious anemia 4. Which of the following animals is a diploblastic? Fish Hydra Earthworm Sponge 5. The genome of viruses is composed of ________ Both DNA and RNA Protein RNA DNA 6. Transformation, in genetics, refers to the genetic alteration through ——– Uptake of foreign DNA by bacteria Hybridization Protein denaturation RNA transcription 7. The physical exchange of chromosome segments is called ————– Mutation Independent assortment Segregation Crossing over 8. Hybrid vigor is most often observed in the __________ generation F3 F2 F1 Parental 9. Which example describes a population? 100 plants chosen from a field 20 students chosen randomly All plants in the field 10 leaves measured from one tree 10. Nanomaterials typically have a size range of __________ more than 1000 nm 100–1000 nm Less than 1 nm 1–100 nm Loading … Question 1 of 10