Post Type for Questions and Answers
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
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
Which of the following is/are example(s) of a lotic ecosystem? (A) Lake (B) Pond (C) River (D) Stream
Which of the following method(s) is/are used to estimate protein concentration? (A) Anthrone (B) Biuret (C) Bradford (D) Lowry
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
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
Which of the following is/are lateral meristems? (A) Cork cambium (B) Procambium (C) Protoderm (D) Vascular cambium
Ionic character of the covalent bonds in the compounds Cl₂, HCl, NaCl, NaF follows the order (A) Cl₂ > NaCl > HCl > NaF (B) HCl > Cl₂ > NaF > NaCl (C) HCl > NaCl > NaF > Cl₂ (D) NaF > NaCl > HCl > Cl₂
Chromosome duplication during the cell cycle occurs in (A) G1 phase (B) G2 phase (C) M phase (D) S phase
The boiling points of Iodomethane, Dibromomethane, Bromomethane, Chloromethane follow the order (A) Bromomethane > Dibromomethane > Iodomethane > Chloromethane (B) Bromomethane > Iodomethane > Chloromethane > Dibromomethane (C) Dibromomethane > Iodomethane > Bromomethane > Chloromethane (D) Iodomethane > Bromomethane > Chloromethane > Dibromomethane