Category: GATE Biotechnology Previous Year Papers with Solutions

Q.30 Fabry disease in humans is a X–linked disease. The probability (in percentage) fora phenotypically normal father and a carrier mother to have a son with Fabrydisease is ____________. Fabry […]

Q.29 Which one of the following plant growth regulators facilitate adventitious rootformation?(A) Auxin(B) Zeatin(C) Dihydrozeatin(D) Kinetin Auxin facilitates adventitious root formation in plants. This makes option (A) the correct choice for […]

Q.28 Which one of the following methods CANNOT be used to determine thesecondary structure content of a protein?(A) Circular dichroism spectroscopy(B) Fourier transform infrared spectroscopy(C) Mass spectrometry(D) X–ray crystallography Mass […]

Q.27 Which one of the following is used for global alignment of two protein sequences?(A) Chou–Fasman method(B) Garnier–Osguthorpe–Robson (GOR) method(C) Needleman–Wunsch algorithm(D) Smith–Waterman algorithm Needleman-Wunsch Algorithm for Global Alignment of […]

Q.26 Which one of the following programs is used for finding distantly related (orremote) protein homologs?(A) BLASTN(B) BLASTX(C) PSI–BLAST(D) TBLASTX PSI-BLAST is the program used for finding distantly related (or […]

Q.25 Match the types of RNA in Group I with their corresponding function in Group II.Group I                            […]

Q.24 Which of the following methods are used for detection of DNA and RNA,respectively?(A) Southern and Northern blotting(B) Southern and Western blotting(C) Northern and Southern blotting(D) Northern and Western blotting […]

Q.23 In hybridoma technology, which one of the following enzymes is absent in themyeloma cells that are used for monoclonal antibody production?(A) Hypoxanthine–guanine phosphoribosyltransferase(B) Alanine aminotransferase(C) Triose phosphate isomerase(D) Glycosyltransferase […]

Q.22 In ELISA, which of the following enzymes are conjugated to antibodies fordetection of the analyte?P. Alkaline phosphataseQ. TrypsinaseR. Horseradish peroxidaseS. Amylase(A) P and R(B) P and Q(C) Q and […]

Q.21 Intracellular proteins are targeted for proteolytic degradation in proteasomes uponconjugation with(A) ubiquitin(B) integrin(C) peptidase(D) calreticulin Answer: (A) ubiquitin Intracellular proteins undergo proteolytic degradation in proteasomes after conjugation with ubiquitin, […]