Category: GATE Biotechnology Previous Year Papers with Solutions

Q.30 Matrix A = [ 0   6 ] [ p   0 ] will be skew-symmetric when p = _____. Skew Symmetric Matrix Example: Find p for Matrix A […]

Q.29 The number of possible rooted trees in a phylogeny of three species is ________. The number of possible rooted trees in a phylogeny of three species is 3. Understanding […]

Q.28 Which one of the following need NOT be conserved in a biochemical reaction?(A) Total mass (B) Total moles(C) Number of atoms of each element (D) Total energy Total moles […]

Q.27 Which one of the following is catabolized during endogenous metabolism in a batchbacterial cultivation?(A) internal reserves (B) extracellular substrates(C) extracellular products (D) toxic substrates Endogenous metabolism in batch bacterial […]

Q.26 Which one of the following is the unit of heat transfer coefficient? (A) W m2 K-1 (B) W m-2 K (C) W m-2 K-1 (D) W m2 K The […]

Q.25 Which one of the following can NOT be a limiting substrate if Monod’s growth kinetics isapplicable?(A) Extracellular carbon source(B) Extracellular nitrogen source(C) Dissolved oxygen(D) Intracellular carbon source Monod’s Growth […]

Q.24 Which one of the following statements is CORRECT for enzyme catalyzed reactions? (𝛥𝐺is Gibbs free energy change, 𝐾𝑒𝑞 is equilibrium constant)(A) Enzymes affect 𝛥𝐺, but not 𝐾𝑒𝑞(B) Enzymes affect […]

Q.23 Which of the following are geometric series?P. 1, 6, 11, 16, 21, 26, …Q. 9, 6, 3, 0, –3, –6, …R. 1, 3, 9, 27, 81, …S. 4, –8, […]

Q.22 Which one of the following equations represents a one-dimensional wave equation? (A)  ∂u/∂t = c2 ∂2u/∂x2 (B) ∂2u/∂t2 = c2 ∂2u/∂x2 (C) ∂2u/∂t2 = c2 ∂u/∂x (D) ∂2u/∂t2 + […]

Q.21 A mutation in a gene that codes for a polypeptide results in a variant polypeptide that lacksthe last three amino acids. What type of mutation is this?(A) Synonymous mutation […]