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