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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) […]

Q73.Lateral root primordia are developed from (1) Pericycle(2) Endodermis(3) Ectodermis(4) Xylem Lateral root primordia develop from specific cells within the root structure, playing a key role in expanding a plant’s […]

Q72.Impermeability of mitochondrial inner membrane to most ions, electrons and protons is due to the presence of (1) Cardiolipin(2) Collagen(3) Chitin(4) Cellulose Impermeability of Mitochondrial Inner Membrane: Role of Cardiolipin […]

Q71.Match the LIST-I with LIST-II List-IA. TranslationB. ReplicationC. ATP synthesisD. Dark reaction of photosynthesis List-III. NucleusII. MitochondriaIII. StromaIV. Cytoplasm Options (1) A-III, B-I, C-II, D-IV(2) A-II, B-I, C-IV, D-III(3) A-IV, […]