JAM Question Paper 2019-20 BT (Biotechnology).
JAM BT – Biotechnology 2019-20 Question Paper test papers will be fully objective type. This JAM BT (Biotechnology) 2019-20 Question will help all the students for their exam preparation, here the question type is MCQ i.e multiple choice question answers, if this JAM BT – Biotechnology 2019-20 question paper in pdf file for IIT JAM BT – Biotechnology you can download it in FREE, if Joint Entrance Examination (JAM) 2019-20 paper in text for JAM you can download JAM 2019-20 page also just Go to menu bar, Click on File->then Save.
JAM Question Paper 2019-20 BT (Biotechnology)
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01. Continuous culture technique at steady state (chemostat) is useful in isolating bacteria from a mixed culture. It exploits the differences in their
- (A) maintenance requirements
- (B) specific growth rates
- (C) rates of specific product formation
- (D) endogenous metabolism
02. Biofilm observed in the lungs of cystic fibrosis patients is composed of
- (A) polysaccharides
- (B) polylactic acid
- (C) polypeptides
- (D) polyethylene glycol
03. The time required for an E. coli to divide is less than the time required to replicate its chromosome. This is possible because
- (A) of an abundance of enzymes required for replication
- (B) it linearizes the chromosome and replicates from both ends
- (C) only one daughter cell receives the nuclear material
- (D) of multiple replication forks
04. A bacterial population contains a mixture of wild type and leucine auxotrophs. From this mixture, the leucine auxotrophs can be enriched by growing the mixture in minimal medium supplemented with
- (A) leucine
- (B) penicillin
- (C) leucine and penicillin
- (D) chioramphenicol
05. Gram positive bacteria are more rigid than Gram negative bacteria because of the
- (A) presence of multiple layers of peptidoglycan
- (B) lack of D-amino acids in their cell wall
- (C) presence of N-acetylgalactosamine in the peptidoglycan backbone
- (D) presence of lipopolysaccharide
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