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