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Q.38 Which of the following entity(ies) is/are found inside the intact nucleus ofeukaryotic cells?(A) Centrosome(B) Lysosome(C) Nucleolus(D) Nucleosome Correct Answer: (C) and (D) The intact nucleus of eukaryotic cells contains […]

Q.37 Which of the following technique(s) can be used to determine the three–dimensional structure of an organic compound?(A) Mass spectrometry(B) NMR spectroscopy(C) UV–visible spectroscopy(D) X–ray crystallography Correct Answer: (B) NMR […]

Q.36 Which of the following statement(s) about the effect of genetic drift is/arecorrect?(A) It can cause changes in the frequency of alleles at random(B) It is a mechanism of evolution(C) […]

Q.35 Which of the following is/are example(s) of a lotic ecosystem?(A) Lake(B) Pond(C) River(D) Stream CORRECT ANSWER: (C) River and (D) Stream Quick Answer Explanation: Lotic Ecosystem = Flowing water ecosystems […]

Q.34 Which of the following method(s) is/are used to estimate protein concentration?(A) Anthrone(B) Biuret(C) Bradford(D) Lowry Answer: (B), (C), and (D) Biuret, Bradford, and Lowry methods measure protein concentration through […]

Q.33 Which of the following statement(s) about eukaryotic DNA topoisomeraseis/are correct?(A) Topoisomerase I creates transient single–strand breaks(B) Topoisomerase I creates transient double–strand breaks(C) Topoisomerase II creates transient single–strand breaks(D) Topoisomerase […]

Q.32 Which of the following statement(s) about Golden Rice is/are correct?(A) Consumption of it increases vitamin A levels(B) Consumption of it increases vitamin D levels(C) Consumption of it increases vitamin […]

Q.31 Which of the following is/are lateral meristems?(A) Cork cambium(B) Procambium(C) Protoderm(D) Vascular cambium Cork cambium and vascular cambium are lateral meristems responsible for secondary growth in plants, increasing girth […]

Q.30 Ionic character of the covalent bonds in the compounds Cl2, HCl, NaCl, NaFfollows the order(A) Cl2 > NaCl > HCl > NaF(B) HCl > Cl2 > NaF > NaCl(C) HCl > NaCl > NaF > Cl2(D) NaF > NaCl […]

Q.29 Chromosome duplication during the cell cycle occurs in(A) G1 phase(B) G2 phase(C) M phase(D) S phase Chromosome duplication occurs during the S phase of the cell cycle. This is a […]