Q.20: Enzymes and Industrial Applications Matching Question Statement Which one of the following options shows the correct pairing of the enzyme with its corresponding application? P. Papain i. Gluten complex […]
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![Q.19: B Cells and T Cells Immunity Assertion-Reason Question Statement Determine the correctness or otherwise of the following Assertion [a] and Reason [r]. Assertion [a]. B cells secrete antibodies against a virus while cytotoxic T cells kill virus-infected cells. Reason [r]. B cells confer active immunity while cytotoxic T cells confer passive immunity. (A) [a] and [r] are true and [r] is the correct reason for [a] (B) [a] and [r] are true but [r] is not the correct reason for [a] (C) [a] is true but [r] is false (D) [a] false but [r] is true](https://www.letstalkacademy.com/wp-content/uploads/2025/12/slide_19-12.jpg)
IIT JAM Biotechnology Previous Year Paper 2015 Video Solution
B Cells and T Cells Immunity Assertion-Reason Explained
Q.19: B Cells and T Cells Immunity Assertion-Reason Question Statement Determine the correctness or otherwise of the following Assertion [a] and Reason [r]. Assertion [a]. B cells secrete antibodies against […]
IIT JAM Biotechnology Previous Year Paper 2015 Video Solution
Industrial products and their producing microorganisms
Q.18: Microbial Products and Organisms Matching Question Statement Choose the option that shows the correct pairing of the products with their corresponding microorganisms. P. Citric acid i. Micromonospora purpurea Q. […]
IIT JAM Biotechnology Previous Year Paper 2015 Video Solution
Diseases and Causative Organisms Matching
Q.17: Diseases and Causative Organisms Matching Question Statement Choose the option that shows the correct pairing of the diseases with their corresponding causative organisms. P. Chagas disease i. Trypanosoma gambiense […]
IIT JAM Biotechnology Previous Year Paper 2015 Video Solution
Specific Productivity Cellulase Production Aspergillus niger qp = αμ + β Kinetics
Q.16 The specific productivity (qp) of cellulase production by Aspergillus niger follows a linear relationship with the specific growth rate (μ) and is of the form qp = αμ + […]
IIT JAM Biotechnology Previous Year Paper 2015 Video Solution
Cardinality of (P ∩ S) ∪ Q for Real Numbers
Q.10 Let ℝ be the set of all real numbers. Consider the sets P = {x ∈ ℝ : (x – 1)(x2 + 1) = 0}, Q = {x ∈ […]
IIT JAM Biotechnology Previous Year Paper 2015 Video Solution
Enzyme pH Activity Profile
Q.15 An enzyme shows highest activity in the pH range 2.0 – 3.0. At pH 4.0 and pH 7.0, the enzyme exhibits 50% and 1%, respectively, of its highest activity. […]
IIT JAM Biotechnology Previous Year Paper 2015 Video Solution
Dynein Desmosome Endosome Kinesin
Q.14 Choose the option that shows the correct pairing of the cellular components with their corresponding function. P. Dynein i. Movement of organelles Q. Desmosome ii. Membrane vesicle R. Endosome […]
IIT JAM Biotechnology Previous Year Paper 2015 Video Solution
RNA Polymerase II: Does It Require Primer?
Q.13 Which one of the following is NOT TRUE of RNA polymerase II? (A) It requires a primer to initiate the transcription (B) It makes an RNA copy of only […]
IIT JAM Biotechnology Previous Year Paper 2015 Video Solution
Where is 5′ UTR Located in Genomic DNA?
Q.12 Which part of the genomic DNA contains the sequence corresponding to the 5′ untranslated region (5′ UTR)? (A) Exon (B) Intron (C) Upstream of the transcription start site (D) […]
