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