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