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Q15.Bacteria produce an enzyme methylase which mainly plays a role in (A) Modification of DNA(B) Cutting of DNA(C) Repair of DNA(D) Rearrangement of DNA Correct option: (A) Modification of DNA Introduction […]

Q14.Which of the following condition is NOT essential to maintain Hardy-Weinberg equilibrium in a population? (A) Large randomly mating population(B) Small randomly mating population(C) Absence of gene flow(D) Absence of […]

Q13.The replication on template strand always proceeds in 5′ to 3′ direction. If the sequence of template strand is 5’ATCCCT3′, how would the correct sequence of newly synthesized strand of […]

Q12.Blood group antigen differs in their (A) Glycosylation pattern(B) Phosphorylation pattern(C) Methylation pattern(D) Ubiquitinylation pattern Correct option: (A) Glycosylation pattern Introduction Blood group antigens are specific molecular structures present on the […]

Q11.A class of Immunoglobulin present in the serum which neutralizes toxins, activates complements and crosses the placenta to protect the fetus and neonate is: (A) IgD(B) IgE(C) IgG(D) IgM IgG […]

Q10.A classification system that groups organisms together based on the similarity of their observable characteristics is known as- (A) Phylogenetic system(B) Phenetic system(C) Phyletic system(D) Complement system Phenetic system (B) […]

Q9.Which of the following disease is associated with Philadelphia chromosome? (A) Retinoblastoma(B) Atrial septal defect(C) Chronic myelogenous leukemia(D) Myotonic muscular dystrophy Chronic myelogenous leukemia (C) is associated with the Philadelphia […]

Q8.Which of the following disease in humans is caused due to expanded microsatellite repeats? (A) Huntington’s disease(B) Cystic fibrosis(C) Tuberculosis(D) Alcaptonurea Huntington’s disease (A) is caused by expanded microsatellite repeats, […]

Q7.Which of the following techniques may be used for identifying a regulatory protein that acts by binding to specific sequence of DNA? (A) Southern blotting(B) Northern blotting(C) South western blotting(D) […]

Q6.Which of the following Histone protein found in chromatin has high Lysine content? (A) H1(B) H2A(C) H3(D) H4 Answer: (A) H1 Histone H1, the linker histone, has the highest lysine […]