List of top Questions asked in GATE BT

Match the carbohydrates in Column I with the correct glycosidic linkages involved in Column II.

Column IColumn II
P. Amylose1. \(\beta(1\rightarrow4)\)
Q. Sucrose2. \(\alpha(1\rightarrow4)\)
R. Amylopectin3. \(\alpha1\rightarrow\beta2\)
S. Cellulose4. \(\alpha(1\rightarrow4), \alpha(1\rightarrow6)\)
The catalytic efficiency of an enzyme following Michaelis-Menten kinetics is defined by
Which of the following drugs inhibit(s) ATP-ADP translocase?
A microbe that follows Monod growth kinetics on a limiting substrate (maximum specific growth rate of 0.5 h\(^{-1}\) and Monod constant of 0.1 mg L\(^{-1}\)) is cultivated in a continuous reactor for microbial growth (chemostat) with sterile feed. Given that the chemostat volume is 5 L and inlet concentration of limiting substrate is 10 g L\(^{-1}\), the minimum inlet feed flow rate for chemostat washout is L h\(^{-1}\). (rounded off to one decimal place)
In a group of students, 10 students like Mathematics, 12 students like English, 4 students like both Mathematics and English, and 6 students like neither Mathematics nor English. The number of students in the group is
The electron equivalent per liter (\(e^{-}\)eq L\(^{-1}\)) of acetate ion solution of concentration 10 g L\(^{-1}\) is \(e^{-}\)eq L\(^{-1}\). (rounded off to one decimal place)
Consider the cube shown below with its 8 corners labelled a, b, c, d, e, f, g, and h. The figure is representative. All corners are to be colored such that any two corners that are connected by an edge must be of different colors. The minimum number of colors required to achieve this is
"He often the numbers. False claims are not going to help. Honesty trust", said the manager.
Choose the option with the correct order of words to fill the blanks.
Which of the following is/are extra-cellular matrix protein(s)?
The RNA sequence below depicts the part of a 330 nucleotides long mRNA and it encodes the C-terminal portion of a protein.
5'-... ... ... AAC ACC ACG ACC CAU GUG GCG AGA CGG UAG-3'
A mutation was identified in this RNA denoted as \(322A \rightarrow U\). This nucleotide change is represented by which of the following class(es) of mutation?
A packed bed bioreactor with length 1 m and inside diameter 10 cm has liquid flowing at an interstitial velocity of 1 cm s\(^{-1}\). Given a volumetric flow rate of 0.025 L s\(^{-1}\), the void fraction of the packed bed is . (rounded off to two decimal places)
A batch sterilizer is being operated at 121 oC for sterilizing a medium containing microbial cells. Assume that the thermal deactivation of cells is a first order process with a death rate constant of 0.69 min\(^{-1}\) at 121 oC. If the initial concentration of microbes in the medium is \(10^{10}\) cells m\(^{-3}\), the time taken to reduce the microbial load to a final concentration of 10 cells m\(^{-3}\) is min. (rounded off to the nearest integer)
In an aerobic fermentation with air sparging, which of the following options can be used to increase the volumetric mass transfer coefficient for oxygen transfer?
Which of the following is/are posttranslational modification(s) involved in epigenetic control of gene expression?
The mean of the following series is . (rounded off to three decimal places)
\(0.01,\ 0.02,\ 0.03,\ \ldots,\ 1\)
Which antibody class is most abundant in human serum?
Which of the following is a recessive genetic disorder?
Which of the following bonds is responsible for maintaining the secondary structure of proteins?
Which microorganism is commonly used for industrial production of ethanol?
Which parameter is most commonly controlled in a bioreactor?
Which enzyme is responsible for synthesis of RNA from a DNA template?
The most commonly used technique for separation of proteins is:
Let \( A = \begin{pmatrix} 1 & 0 & 1 \\ 0 & k & 0 \\ 3 & 0 & -1 \end{pmatrix} \). If the eigenvalues of \( A \) are -2, 1, and 2, then the value of \( k \) is __________. (Answer in integer)
For the coupled reactions given below: Glucose 6-phosphate + H\(_2\)O → Glucose + Pi (Reaction 1)
ATP + Glucose → ADP + Glucose 6-phosphate (Reaction 2) The standard free energy change of ATP hydrolysis at 25 °C is __ kJ/mol. The equilibrium constants for Reaction 1 and Reaction 2 are 360 and 800, respectively; Gas constant \( R = 8.314 \, {J mol}^{-1} {K}^{-1} \). (Round off to two decimal places)
An NMR spectrometer operating at proton resonance frequency \( \nu \) of 1 GHz will have a magnetic field strength of __________ Tesla (T). The gyromagnetic ratio for proton, \( \gamma = 2.675 \times 10^8 \, {T}^{-1} {s}^{-1} \). (Round off to one decimal place)