Category: GATE Biotechnology Previous Year Papers with Solutions

Q.8 Diploid Drosophila has eight chromosomes. Which one of the following terms should NOT be used to describe Drosophila with sixteen numbers of chromosomes? (A) Polyploid (B) Aneuploid (C) Euploid […]

Q.7 A cell in G1 of interphase has 12 chromosomes. How many chromatids will be found per cell during metaphase II of meiosis? (A) 6 (B) 12 (C) 18 (D) […]

Q.6 An alternative to glycolysis pathway is (A) glyoxylate pathway (B) pentose phosphate pathway (C) citric acid cycle (D) gluconeogenesis An alternative to glycolysis pathway is the pentose phosphate pathway, […]

Q.5 The product commercially produced by animal cell culture is (A) insulin (B) tissue plasminogen activator (C) interferon (D) hepatitis B vaccine The product commercially produced by animal cell culture […]

Q.4 Yeast artificial chromosomes (YAC’s) are used for cloning (A) large segments of DNA (B) mRNA (C) bacterial DNA (D) yeast DNA Yeast Artificial Chromosomes (YACs) Are Used for Cloning […]

Q.3 Apoptosis is characterized by (A) necrosis (B) programmed cell death (C) membrane leaky syndrome (D) cell cycle arrest process Apoptosis is characterized by programmed cell death, a vital process […]

Q.2 Members of the antibody protein family that have common structural features are collectively known as (A) haptens (B) allergens (C) antigens (D) immunoglobulins Members of the antibody protein family […]

Q.1 Embryonic stem cells are derived from (A) fertilized embryo (B) unfertilized embryo (C) sperm (D) kidney SEO-Friendly Article on Embryonic Stem Cells Origin Here’s a complete, SEO-optimized article tailored […]

Q.47 A fed batch culture was operated with intermittent addition of glucose solution at a flow rate of 200 ml h−1. The values of Ks, μm and D are 0.3 […]

Q.46 The maximum cell concentration (g l−1) expected in a bioreactor with initial cell concentration of 1.75 g l−1 and an initial glucose concentration of 125 g l−1 (Yx/s = […]