JAM Question Paper 2013 BT (Biotechnology).
JAM BT – Biotechnology 2013 Question Paper test papers will be fully objective type. This JAM BT (Biotechnology) 2013 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 2013 question paper in pdf file for IIT JAM BT – Biotechnology you can download it in FREE, if Joint Entrance Examination (JAM) 2013 paper in text for JAM you can download JAM 2013 page also just Go to menu bar, Click on File->then Save.
JAM Question Paper 2013 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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