Tag: GATE Life Science Previous Year Papers with Solutions

38. Double haploids in plants can be induced by (A) Mitomycin-C (B) Mirin (C) Colchicine (D) 5-Azacytidine Double haploids represent a breakthrough in plant breeding, enabling rapid development of homozygous […]

37. An organized and differentiated cell having cytoplasm but no nucleus is found in (A) Companion cell (B) Xylem parenchyma (C) Sieve tube element (D) Phloem parenchyma Here’s a complete, […]

36. Nuclear membrane is absent in (A) Chlamydomonas (B) Nostoc (C) Volvox (D) Chlorella Nostoc lacks a nuclear membrane as the only prokaryote among the options. Chlamydomonas, Volvox, and Chlorella […]

35. Given below are the maps of a 1200 base pairs (bp) long DNA insert and a 3000 bp expression vector. The BamHI(𝐵) and HindIII ( 𝐻 ) restriction sites […]

34. A cell suspension was subjected to membrane disruption followed by differential centrifugation to fractionate the cellular components. Match the centrifugal conditions in Column I to the appropriate subcellular components […]

33. A 1.2 kb DNA fragment was used as a template for PCR amplification using primers P1, P2, P3 and P4 as shown in the scheme below. The annealing positions […]

32. Which of the following statements is/are INCORRECT about hemoglobin (Hb) ? I. Hb demonstrates higher oxygen carrying capacity compared to myoglobin II. There is covalent bonding between the four […]

31. Column I                                         Column II W            […]

30. The value of ΔG at 37∘C for the movement of Ca2+ ions from the endoplasmic reticulum where [ Ca2+ ] is 1 mM to the cytosol where [ Ca2+ […]

29. Match the contents of Column I with the most appropriate options in Column II Column I                            […]