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