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