Author: admin

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 […]

Q5.The microscope that converts slight difference in the refractive index and cell density into easily observed difference in the light intensity is known as- (A) Phase contrast microscope(B) Bright field […]

Q4.The pH at which net charge of protein becomes zero under an electrical field at room temperature is known as: (A) Isoelectric potential(B) Isothermal point(C) Isomeric point(D) Isoelectric point Answer: […]

Q3.The most common initial step to separate water soluble proteins from insoluble cellular material is- (A) Electroporation(B) Differential centrifugation(C) Density-gradient centrifugation(D) Western blotting Answer: (B) Differential centrifugation Differential centrifugation is […]

Q2.A specific protein required for infecting a host by corona virus is known as: (A) Receptor protein(B) PDE(C) Spike protein(D) Polymerase basic 2 Answer: (C) Spike protein The spike protein […]

Q1.Which of the following technique is used for tracing change in intracellular location of proteins and metabolites. (A) Chromatography(B) DNA foot printing(C) DNA end labelling(D) Pulse-chase experiment Answer: (D) Pulse-chase […]

Q75.Mutation in the class A genes in ABCDE model of flower development leads to which pattern of floral organization? (1) Sepal–sepal–carpel–petal(2) Petal–carpel–sepal–sepal(3) Carpel–stamen–stamen–carpel(4) Stamen–petal–petal–sepal In the ABCDE model of flower […]

Q74.Agrobacterium tumefaciens is used for transformation in plant tissue culture because (1) Both Agrobacterium and plants have similar genetic make-up(2) Agrobacterium genomic DNA can transfer its genetic material to plants(3) […]