Tag: GATE Biotechnology Previous Year Papers with Solutions

Q.31 Three balls, colored in blue, green and red, are successively transferred from box A to box B in the order BLUE-GREEN-RED. The probability of a reverse transfer of the […]

Q.30 The sum of the infinite geometric series 1 + 1/3 + 1/32 + 1/33 + … (rounded off to one decimal place) is _________. Sum of Infinite Geometric Series […]

Q.29 Which of the following cell organelle(s) is/are surrounded by a single phospholipid membrane? (A) Golgi apparatus (B) Lysosome (C) Mitochondria (D) Nucleus Lysosomes are the cell organelle surrounded by […]

Q.28 Which of the following layer(s) is/are formed from the inner cell mass of the blastocyst? (A) Ectoderm (B) Endoderm (C) Mesoderm (D) Trophectoderm Here’s a comprehensive, SEO-optimized article on […]

Q.27 The cellular process which utilizes RNA-induced silencing complex to block gene expression is (A) RNA editing (B) RNA interference (C) RNA polyadenylation (D) RNA splicing RNA interference (RNAi) is […]

Q.26 Which one of the following is CORRECT about microbial growth medium? (A) Luria-Bertani broth is a synthetic medium (B) Nutrient broth is a defined medium (C) Sabouraud dextrose agar […]

Q.25 The enzyme which adds phosphate group to the free 5′ terminus of a DNA sequence is (A) adenosine kinase (B) alkaline phosphatase (C) polynucleotide kinase (D) terminal deoxynucleotidyl transferase […]

Q.24 A protein without its prosthetic group is known as (A) apoprotein (B) hemoprotein (C) holoprotein (D) lipoprotein Apoprotein vs Holoprotein: Understanding Proteins Without Prosthetic Groups A protein stripped of […]

Q.23 The process and instrumentation diagram for a feedback control strategy to maintain the level (h) of a liquid by regulating a valve (V) in a tank is shown below. […]

Q.22 The process by which intracellular macromolecules are supplied for lysosomal degradation during nutrient starvation is (A) apoptosis (B) autophagy (C) phagocytosis (D) pinocytosis Autophagy is the correct process for […]