MCQs Biology-17 Posted on November 27, 2025December 3, 2025Author agropublishers 0 MCQs Biology-17 1. Deficiency of vitamin B12 results in———– Scurvy Night blindness Pernicious anemia Rickets 2. Which situation describes sampling? Counting all bacteria in a culture Analyzing the entire genome of all individuals Measuring only 50 bacteria from a large culture Measuring every newborn in a hospital 3. In humans, the primary function of large intestine is ——– Water and electrolyte absorption Protein digestion Lipid emulsification Enzyme secretion 4. Which process converts pre-mRNA into mature mRNA by removing introns? Capping Polyadenylation Splicing Recombination 5. The TATA box in eukaryotes is recognised by ————- Mediator complex TFIID (TBP) RNA polymerase II directly Enhancer-binding proteins 6. The animal most closely related to the horse in evolutionary terms is __________ Donkey Camel Cow Deer 7. When the data are collected from every student in a class, the study is based on —————- An estimate A population A biased sample A sample 8. The discovery of the first chemical mutagen, mustard gas, was made by __________. Herman Muller Joshua Lederberg Thomas Hunt Morgan Charlotte Auerbach and J.M. Robson 9. A sample statistic may differ from the population parameter. This natural and expected discrepancy can be primarily attributed to ———- Zero randomness Constant variance Sampling error Precision 10. A hybrid from a cross between two single crosses is known as __________ Multiple hybrid Double cross Three-way cross Dihybrid Loading … Question 1 of 10
