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Q.22 Which one of the following is an insect cell line? (A) HEK 293 (B) Sf9 (C) DH5α (D) CHO The correct answer is (B) Sf9, a widely used insect cell […]

Q.21 Which one of the following bacteriophages has a genome composed of single stranded circular DNA? (A) ØX174 (B) λ (C) T5 (D) P1 The Single-Stranded Circular DNA Virus (Correct […]

Q.20 A cultured skin fibroblast cell of a goat ‘P’ was fused with an enucleated ovum of a goat ‘Q’. The resultant activated early embryo was then transplanted into a […]

Q.19 During normal embryonic development of the mice paw, elimination of cells from the inter-digital space is due to ________. (A) apoptosis (B) meiosis (C) mutagenesis (D) necrosis The Role […]

Q.18 2-mercaptoethanol breaks the ________ covalent bond between light and heavy chains of an immunoglobulin molecule. (A) C-N (B) N-O (C) S-C (D) S-S 2-Mercaptoethanol Breaks S-S Covalent Bond in […]

Q.17 Co-translational translocation of proteins is observed in ________. (A) endoplasmic reticulum (B) Golgi complex (C) mitochondria (D) peroxisomes Co-translational translocation occurs primarily at the endoplasmic reticulum, where proteins enter […]

Q.16 Mendel’s ‘law of segregation’ applies to the segregation of ________ during gamete formation. (A) mitochondrial genes (B) alleles of a gene (C) linked genes on the same chromosome (D) […]

Q.15 The relationship that involves the exchange of nutrients between two different species for their mutual growth is called ________. (A) antagonism (B) commensalism (C) parasitism (D) syntrophism Syntrophism: Nutrient […]

Q.14 Which one of the following statements is correct about Reynolds Number (𝑁𝑅𝑒) in a stirred tank bioreactor? (A) 𝑁𝑅𝑒 is independent of the viscosity of the medium (B) In […]

Q.13 Which one of the following statements is correct in the context of thermodynamics? (A) In a closed system, neither mass nor energy is transferred across the system boundary (B) […]