Q.5 Determine the correctness or otherwise of the following Ascention (a) and theReason (r) regarding mammalian cells.Assertion (a): Cells use Ca2+, and not Na+, for cell–to–cell signallingReason[r): In the cytosol, […]
![Q.5 Determine the correctness or otherwise of the following Ascention (a) and the Reason (r) regarding mammalian cells. Assertion (a): Cells use Ca2+, and not Na+, for cell-to-cell signalling Reason[r): In the cytosol, concentration of Na+ is lower than that of Ca2+ ? (A) Both (a) and (r) are true and (r) is the correct reason for [a]. (B) Both (a) and rare true but [c] is not the correct reason for (a). (C) Both (a) and care false (D) [a] is true but is false.](https://www.letstalkacademy.com/wp-content/uploads/2026/01/slide_5-11.png)
Category: GATE Biotechnology Previous Year Papers with Solutions
Remove term: GATE Biotechnology Previous Year Papers with Solutions GATE Biotechnology Previous Year Papers with Solutions
GATE Biotechnology 2020 Previous Year Papers with Solutions
First Antibody by B Cells in Bone Marrow
Q.4 Which class of antibody is first made bydeveloping B cells inside bone marrow?(A) IgG(B) IgE(C) IgA(D) IgM IgM is the first class of antibody produced by developing B cells […]
![Q.3 Which of the following statements are CORRECT? [P] Viruses can play a role in causing human Cancer [Q] A tumor suppressor gene can be turned off without any change in its DNA sequence [R] Alteration in miRNA expression levels contributes to the development of cancer (A) P and only (B) Q and only (C) P and only (D) P. and R](https://www.letstalkacademy.com/wp-content/uploads/2026/01/slide_3-11.png)
GATE Biotechnology 2020 Previous Year Papers with Solutions
Tumor Suppressor Genes, Viruses, miRNA in Cancer Development
Q.3 Which of the following statements are CORRECT?[P] Viruses can play a role in causing human Cancer[Q] A tumor suppressor gene can be turned off without any change in its […]
GATE Biotechnology 2020 Previous Year Papers with Solutions
Ras Protein as Monomeric GTPase
Q.2 Ras protein is a(A) trimeric GTPase involved in relaying signalfrom cell surface to nucleus.(B) monomeric GTPase involved in relayingsignal from cell surface to nucleus.(C) trimeric GTPase involved in regulation […]
GATE Biotechnology 2020 Previous Year Papers with Solutions
Phosphomimic Mutant
Q.1 Protein P becomes functional upon phosphorylation of a serine residue. Replacing this serine with will result in a phosphomimic mutant of P.(A) alanine(B) aspartic acid(C) phenylalanine(D) lysine Aspartic acid […]
GATE Biotechnology 2020 Previous Year Papers with Solutions
Profit Shares Ratio
Q.10 The profit shares of two companies P and Q are shown in the figure. If the two companies have invested a fixed and equal amount every year, then the […]
![Q.9 For a matrix M = [mij]; i, j = 1,2,3,4, the diagonal elements are all zero and mij = -mji. The minimum number of elements required to fully specify the matrix is (A) 0 (B) 6 (C) 12 (D) 16](https://www.letstalkacademy.com/wp-content/uploads/2026/01/slide_9.jpg)
GATE Biotechnology 2020 Previous Year Papers with Solutions
Minimum Elements to Specify 4×4 Skew-Symmetric Matrix
Q.9 For a matrix M = [mij]; i, j = 1,2,3,4, the diagonal elements are all zero and mij = -mji. The minimum number of elements required to fully specify […]
GATE Biotechnology 2020 Previous Year Papers with Solutions
Solving the Delhi-Agra Car Speed Puzzle
Q.8 The distance between Delhi and Agra is 233 km. A car P started travelling from Delhi to Agra and another car started from Agra to Delhi along the same […]
GATE Biotechnology 2020 Previous Year Papers with Solutions
Solving the Circular Seating Arrangement Puzzle
Q.7 P. Q, R, S, T, U, V, and W are seated around a circular table. 1. Sis seated opposite to W. II. U is seated at the second place […]
GATE Biotechnology 2020 Previous Year Papers with Solutions
Understanding RBI Repo Rate
Q.6 Repo rate is the rate at which Reserve Bank of India (RBI) lends commercial banks, and reverse repo rate is the rate at which RBI borrows money from commercial […]
