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Biotechnology and its Applications · Question 67

AIPMT 2008MCQEasy📈 Topic in 38% papers+4−1
1

Human insulin is being commercially produced from a transgenic species of:

  1. Escherichia
  2. Mycobacterium
  3. Rhizobium
  4. Saccharomyces

Answer

(1) Escherichia

Solution

⇒ As per NCERT, in 1983 Eli Lilly, an American company, prepared two DNA sequences corresponding to the A and B chains of human insulin and introduced them into plasmids of E. coli to produce insulin chains.

⇒ Chains A and B were produced separately, extracted and combined by creating disulphide bonds to form human insulin (Humulin).

∴ Human insulin is commercially produced from a transgenic species of Escherichia ( E. coli).

Answer: (1)

AIPMT 2008

Keep practising — Biotechnology and its Applications

2

A transgenic food crop which may help in solving the problem of night blindness in developing countries is

  1. Flavr Savr tomatoes
  2. Bt soybean
  3. Starlink maize
  4. Golden rice
AIPMT 2008
3

Golden rice is a promising transgenic crop. When released for cultivation, it will help in

  1. Herbicide tolerance
  2. Alleviation of vitamin A deficiency
  3. Producing a petrol-like fuel from rice
  4. Pest resistance
AIPMT 2006
4

Bacillus thuringiensis (Bt) strains have been used for designing novel -

  1. Bio-metallurgical techniques
  2. Biofertilizers
  3. Bioinsecticidal plants
  4. Bio-mineralization processes
AIPMT 2005
5

Golden rice is a transgenic crop of the future with the following improved trait -

  1. High lysine (essential amino acid) content
  2. High protein content
  3. Insect resistance
  4. High vitamin A content
AIPMT 2005
6

ELISA is used to detect viruses, where the key reagent is :-

  1. Catalase
  2. RNase
  3. DNA probes
  4. Alkaline phosphatase
AIPMT 2004
7

Maximum application of animal cell culture technology today is in the production of :-

  1. Interferons
  2. Vaccines
  3. Edible proteins
  4. Insulin
AIPMT 2003
8

ELISA is used to detect viruses, where the key reagent is :-

  1. Alkaline phosphatase
  2. RNase
  3. DNA probes
  4. Catalase
AIPMT 2003

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