IIT JAM 2023 Biotechnology (BT) Question Paper with Answer Key pdf is available for download. IIT JAM 2023 BT exam was conducted by IIT Guwahati in shift 2 on February 12, 2023. In terms of difficulty level, IIT JAM 2023 Biotechnology (BT) paper was of moderate level. IIT JAM 2023 question paper for BT comprised a total of 60 questions.
IIT JAM 2023 Biotechnology (BT) Question Paper with Answer Key PDFs
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Which one of the following compounds inhibits the polymerization of tubulin to microtubules in animal cells?
Arrange the following elements in increasing order of their electronegativity according to the Pauling scale: C, Na, Be, and Br.
Which one of the following is NOT a plant vascular tissue?
A growing shoot of a germinating seedling encounters an underground obstacle. Which one of the following hormones elicits the 'triple response' to the underground obstacle?
Which one of the following pairs of antibodies contains ‘J-chain’ in their multimeric form?
Restriction enzymes that recognize the same nucleotide sequence but cleave at different positions are called:
Which one of the following does NOT belong to the freshwater ecosystem?
Which one of the following is transcribed by RNA polymerase III in eukaryotes?
Given the following sets:
\( A = \{2, 4, 6, 8, 10, 12\} \)
\( B = \{8, 10, 12, 14, 16, 18\} \)
\( C = \{7, 8, 9, 10, 11, 12, 13\} \)
Find \( (A \cap B) \cup (B \cap C) \).
Rain is falling vertically with a speed of 40 m/s. Wind starts blowing with a speed of 16 m/s from west to east. How should a person, who is standing, hold his umbrella to avoid getting wet?
Which one of the following statements about the G1 checkpoint of the eukaryotic cell division cycle is INCORRECT?
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
Assertion [a]: Nitric oxide is involved in transient paracrine and autocrine signaling.
Reason [r]: Nitric oxide is highly reactive, with a lifetime of few seconds, yet can diffuse freely across membranes.
In mice, a trait is determined by a dominant allele Y and a recessive allele y. What proportion of the offspring from a \( YY \times yy \) cross is expected to be homozygous recessive in the F1 generation?
Match the molecules in Group I with the type of bonds present in them, in Group II.
What is the splitting pattern of proton \( H^a \) of the following compound in its \( ^1H \) NMR spectrum?
Which one of the following statements is correct about solute transport across membranes?
Match the type of DNA repair mechanism in Group I with the enzyme(s) involved in Group II.
Tetracycline binds to the:
In the ‘Southern blot’ technique, which of the following reagents is used to detect the presence of a desired DNA fragment?
The pedigree given below shows individuals affected (shaded circles/rectangles) by chronic hypertension. Assuming 100% penetrance, the inheritance of this trait is:
Which one of the following statements about photoproteins in plants is INCORRECT?
Match the microorganisms in Group I with the human diseases in Group II.
Which one of the following is correct in the case of conjugation of a high frequency recombination (Hfr) strain with an \(F^{-}\) strain of \textit{E. coli?
Determine the correctness or otherwise of the following Assertion [a] and Reason [r].
Assertion [a]: The cardiovascular organization called double circulation provides vigorous flow of blood to the brain, muscles, and other organs.
Reason [r]: The blood is pumped a second time after it loses pressure in the capillary beds of the lungs or skin.
The inability in humans to taste capsaicin resides in a single gene difference between two alleles P and p. The allele P for tasting is dominant over the nontasting allele. In a population of 400 individuals in Hardy-Weinberg equilibrium, 64 are nontasters. How many individuals are heterozygous for the gene?
A genetic linkage map represents the:
Class II MHC molecules are NOT expressed by:
Which one of the following enzymes is required to ensure the replication of a negative-sense or negative-strand RNA virus?
The relationship between birth weight and degree of survival (log[ \(\frac{survivors}{non-survivors}\) ]) in 6908 human births is shown below. The mode of selection for birth weight is:
Match the recombinant DNA products in Group I with their applications in Group II.
Which of the following statement(s) is/are correct about telophase?
The characteristic morphological change(s) in cells undergoing apoptosis is/are:
A species of fish living in a lake are separated by drying up of the lake into two separate lakes. After several hundreds of years of separation, the two groups are unable to mate. These groups are now considered to be different:
Which of the following compound(s) is/are aromatic?
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Which of the following statement(s) is/are correct for the given compound?
Which of the following is/are essential feature(s) of high-fidelity DNA polymerases used in polymerase chain reaction (PCR)?
Which of the following option(s) represent(s) the evolutionary relationship between the bird and bat wings as structures for flying?
Different segments of a photosynthetic filamentous alga are exposed to different wavelengths of light as shown below. After a period of time, bacteria known to migrate towards high oxygen concentration are spread on the surface of the alga. Which region(s) of the alga will have maximum bacterial congregation?
Hyperventilation (breathing rapidly and deeply) causes which of the following event(s) in the arterial blood?
Which of the given statement(s) about synthetic oligonucleotides is/are correct?
The net number of molecule(s) of NADH formed from one molecule of glucose in glycolysis under aerobic conditions is/are ______.
The number of possible unique combination(s) of linear tetrapeptides that can be made from four different amino acids using each amino acid only once in the chain is/are ______.
Among i-BuNH\textsubscript{2}, NH\textsubscript{3}, Me\textsubscript{2}NH, EtNH\textsubscript{2}, the number of compound(s) more basic than MeNH\textsubscript{2} is/are ______.
Among K\textsuperscript{+}, Li\textsuperscript{+}, Rb\textsuperscript{+}, Cs\textsuperscript{+}, the number of cation(s) having ionic radii more than Na\textsuperscript{+} is/are ______.
Among the five fragments given below:
CH\textsubscript{2–CH\textsubscript{3, CH\textsubscript{3–CH\textsubscript{3, CH\textsubscript{3–CH\textsubscript{2–CH\textsubscript{2, CH\textsubscript{2=CH–CH\textsubscript{2\textsuperscript{+, [CH\textsubscript{3–CH\textsubscript{2–CH\textsubscript{3]\textsuperscript{+,
the number of fragment(s) accelerated to the analyzer tube in a mass spectrometer with electron ionization is/are ______.
A restriction endonuclease has a recognition site of 3 bases. Assuming random arrangement of nucleotides, the probability that this endonuclease will cut a piece of DNA is ______ (rounded off to three decimal places).
A massless ideal spring is hanging vertically. A sphere of mass 500 g, suspended from the spring, stretches the spring from its initial position by 50 cm when it reaches equilibrium. The force constant of the spring is ______ N m\textsuperscript{-1}. (Use g = 10 m s\textsuperscript{-2})
Whales can dive undersea to depths of 2 km. The pressure on the whale at this depth (ignoring atmospheric pressure) is ______ × 10\textsuperscript{6} Pa. (Density of seawater = 1 g cm\textsuperscript{-3} and g = 10 m s\textsuperscript{-2})
The order of the differential equation \( \frac{d^3y}{dx^3} + 2\frac{d^2y}{dx^2} - 3\frac{dy}{dx} + 6x^4y = 0 \) is ______.
The value of \( \lim_{x \to -3} \frac{2x + 6}{x + 3} \) is ______.
The ΔG°′ and K′\textsubscript{eq} values of ATP hydrolysis are -32.34 kJ mo\(L^{-1}\) and 4.6 × 10⁵ respectively. The ΔG°′ and K′\textsubscript{eq values of enzymatic hydrolysis of glucose-6-phosphate to glucose and phosphate are -13.18 kJ mo\(L^{-1}\) and 203.8, respectively. The ΔG°′ value of the reaction of glucose-6-phosphate formation from glucose and ATP by hexokinase is ______ kJ mo\(L^{-1}\) (rounded off to two decimal places). [All reactions are carried out at pH 7.0 and 25°C.]
K\textsubscript{m} and V\textsubscript{max} of an enzyme preparation are 5 μM and 30 μM \(min^{-1}\) respectively. Considering K\textsubscript{i value of competitive inhibitor is 60 μM, the velocity (V₀) of this enzyme-catalyzed reaction in the presence of 200 μM substrate and 600 μM competitive inhibitor is ______ μM \(min^{-1}\) (rounded off to two decimal places).
The heat required to convert 2 kg of water at 20°C in a calorimeter to steam at 100°C and at atmospheric pressure (1 atm) is ______ kJ. (Specific heat capacity of water = 4.2 kJ \(kg^{-1}\) \(K^{-1}\) and latent heat of steam = 2256 kJ \(kg^{-1}\).)
An electron is accelerated from rest through a potential difference of 200 V. The de Broglie wavelength associated with this electron is ______ nm. (Rounded off to two decimal places) (Planck’s constant = 6.6 × \(10^{-34}\) J·s, 1 eV = 1.6 × \(10^{-19}\) J, mass of an electron = 9.1 × \(10^{-31}\) kg)
Given data consists of distinct values of \( x_i \) occurring with frequencies \( f_i \). The mean value for the data is ______. (rounded off to one decimal place)
A random variable X and its probability distribution is given below. The value of P(X ≤ 5) is ______. (rounded off to one decimal place)
A protein solution of 1 μM has transmission of 40% at 280 nm, when measured in a 1 cm cuvette using a UV-Visible spectrophotometer. The transmission of the same solution, when measured using a 2 cm cuvette is ______ %. (rounded off to the nearest integer)
If a bacterial culture with a doubling time of 30 minutes starts with two cells, then the number of cells after 4 hours are ______.
The rate of transcription in a bacterium is 50 nucleotides/min and the average molecular weight of an amino acid is 110 Da. Time taken for synthesis of the mRNA of a protein with molecular weight of 110 kDa is ______ min. (rounded off to one decimal place)
Consider a first-order reaction A → B. The initial concentration of A is 100 mol \(L^{-1}\) and the value of first-order rate constant is 0.01 \(min^{-1}\). The concentration of A after 10 min of reaction is ________ mol \(L^{-1}\) (rounded off to one decimal place).
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