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