Questions and Answers
Q.40 Which of the following is/are true about Retrovirus?
Which of the following is/are true about Retrovirus?
(A) It contains double-stranded RNA genome
(B) It can cause cancer
(C) It contains reverse transcriptase
(D) It contains double-stranded DNA genome
Q.39 Which of the following is/are trace element(s)?
Which of the following is/are trace element(s)?
(A) Mn
(B) P
(C) S
(D) Zn
Q.38 Which of the following entity(ies) is/are found inside the intact nucleus of eukaryotic cells?
Which of the following entity(ies) is/are found inside the intact nucleus of eukaryotic cells?
(A) Centrosome
(B) Lysosome
(C) Nucleolus
(D) Nucleosome
Q.37 Which of the following technique(s) can be used to determine the three-dimensional structure of an organic compound?
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
Q.36 Which of the following statement(s) about the effect of genetic drift is/are correct?
Which of the following statement(s) about the effect of genetic drift is/are correct?
(A) It can cause changes in the frequency of alleles at random
(B) It is a mechanism of evolution
(C) It can lead to loss of genetic variation within small populations
(D) It is significant in large populations
Q.35 Which of the following is/are example(s) of a lotic ecosystem?
Which of the following is/are example(s) of a lotic ecosystem?
(A) Lake
(B) Pond
(C) River
(D) Stream
Q.34 Which of the following method(s) is/are used to estimate protein concentration?
Which of the following method(s) is/are used to estimate protein concentration?
(A) Anthrone
(B) Biuret
(C) Bradford
(D) Lowry
Q.33 Which of the following statement(s) about eukaryotic DNA topoisomerase is/are correct?
Which of the following statement(s) about eukaryotic DNA topoisomerase is/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 II creates transient double-strand breaks
Q.32 Which of the following statement(s) about Golden Rice is/are correct?
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 K levels
(D) It is a transgenic crop containing β-carotene