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