Category: GATE Biotechnology Previous Year Papers with Solutions

Q.40 Methylation of CpG islands near the promoter of a gene can inhibit transcriptionby(A) preventing RNA polymerase binding(B) facilitating repressor binding(C) facilitating heterochromatin formation(D) inducing euchromatin formation Methylation of CpG […]

Q.39 The event(s) that lead(s) to inactivation of tumor suppressor genes in cancer cellsis(are)(A) gene amplification(B) promoter methylation(C) loss of heterozygosity(D) histone acetylation Promoter methylation and loss of heterozygosity inactivate […]

Q.38 Match the virus in Group I with the type of genome it contains in Group II.Group I                          […]

Q.37 Match the type of bacteria in Group I with their respective growth properties inGroup II.Group I                            […]

Q.36 Match the immune tolerance mechanisms in Group I with their respectiveoutcomes in Group II.Group I                              […]

Q.35 The distance between the two points of intersection of x² + y = 7 and x + y = 7 (rounded off to two decimal places) is ____________. Distance […]

Q.34 If 73x = 216 , the value of 7−x (rounded off to three decimal places) is ____________. Solve 73x = 216 and Find 7−x To solve the exponential equation […]

Q.33 Two fair six-sided dice are thrown. The probability of getting 12 as the product of the numbers on the dice (rounded off to two decimal places) is ____________. Probability […]

Q.32 A series (S) is given as S = 1 + 3 + 5 + 7 + 9 + …… The sum of the first 50 terms of S is […]

Q.31 The value of limx→0[(cos 2x − cos 4x) / x²] is ____________. Limit Evaluation The limit limx→0 (cos 2x − cos 4x)/x² evaluates to 6. Detailed Solution This is […]