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