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Q.38 Which of the following point(s) lies (lie) on the plane 2x + 3y + z = 6? (A) (0, 0, 6) (B) (0, 2, 0) (C) (1, 1, 1) […]

Q.37 Fehling’s solution (A) contains a copper complex of tartaric acid (B) forms a brick‑red precipitate with glucose (C) gives a purple precipitate with aldehydes (D) is used as a […]

Q.36 The elements with atomic numbers 19, 37 and 55 (A) form cubic chloride salts with the coordination number of cation being 6 (B) form ionic fluorides with general formula […]

Q.35 Bacterial plasmid genes of non‑chromosomal origin are associated with (A) providing resistance against antibacterial agents (B) the degradation of toxic materials (C) the production of certain toxins (D) the […]

Q.34 The ΔG°′ for homolactic fermentation converting glucose to lactate is −196 kJ mol⁻¹. If ΔG°′ for the formation of ATP is +30.5 kJ mol⁻¹, then (A) homolactic fermentation is […]

Q.33 Which of the following organs are correctly paired with their function? (A) Large intestine — Protein digestion (B) Oral cavity — Starch digestion (C) Pancreas — Bile production (D) […]

Q.32 Which of the following is (are) INCORRECT in the regulation of the trp operon? (A) It is an example of a negatively controlled repressible operon. (B) The amino acid […]

Q.31 The cells involved in allergic reactions and containing surface receptors of IgE antibodies and histamine are (A) Basophils (B) Mast cells (C) Monocytes (D) Neutrophils Mast cells are the […]

Q.30 A body XX of mass MM moving with velocity vv hits a stationary body YY of mass mm. If M≫mM≫m and XX moves with the velocity v′v′, then the velocity of YY after an elastic collision is (A) 2v (B) v+v′ (C) v−v′ (D) 2v′ The correct answer is […]

Q.29 Two inductors PP and QQ having inductance ratio 1:21:2 are connected in parallel in an electric circuit. The energy stored in the inductors PP and QQ are in the ratio (A) 1:4 (B) 1:2 (C) 2:1 (D) 4:1   The energy stored […]