Blog

Q.48 The collateral and open type of vascular bundle with endarch xylem strand isusually found in(A) monocot stem(B) dicot stem(C) monocot root(D) dicot root The correct answer is (B) dicot […]

Q.47 Which one of the following plant families does apple (Malus domestica) belong to?(A) Rosaceae(B) Rutaceae(C) Rubiaceae(D) Ranunculaceae Apple (Malus domestica) belongs to the Rosaceae family. This deciduous tree produces […]

Q.46 The spectrum of a protein obtained using electrospray ionization massspectrometry (ESI–MS) is shown below. Two peaks, one at m/z = 2960.6 and theother at m/z = 3552.5, are marked. […]

Q.45 A 5250 base–pair long plasmid with 10 negative supercoils would have a linkingnumber of ____________, considering 10.5 base pairs per turn for B DNA.(Answer in integer) The linking number […]

Q.44 In Michaelis–Menten’s equation, if [S] = 15 Km , then the ratio 𝑣0/𝑉max is __________.(Round off to three decimal places) The ratio v0/Vmax is 0.938 when [S] = 15 […]

Q.43 Factor H, a complement regulatory protein in plasma, binds C3b and(A) competes with factor B to displace Bb from convertase.(B) initiates the catabolism of C3b into inactivate products.(C) then […]

Q.42 Which one or more of the following statements correctly describe(s) the changesupon the addition of puromycin during eukaryotic translation?(A) Puromycin resembles aminoacyl end of the charged tRNA.(B) Puromycin occupies […]

Q.41 Which one or more of the following statements is/are correct in the processing ofpre–mRNA in eukaryotes?(A)3′ → 5′ exonuclease activity is involved in the conversion of pre–mRNA to mRNA.(B) 5′– capping […]

Q.40 Which one or more of the following statements correctly describe(s)fluorescence spectroscopy?(A) The emission maxima (λmax) is independent of the excitation wavelength.(B) The emission maxima (λmax) depends on the concentration […]

Q.39 Which one or more of the following statements is/are correct regarding the transportand retention of proteins in different cell organelles?(A) Mannose 6–phosphate residues are involved in targeting proteins to […]