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Biotechnology and its Applications · Question 69

AIPMT 2006MCQEasy📈 Topic in 75% papers+4−1
1

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

Answer

(2) Alleviation of vitamin A deficiency

Solution

Golden rice is a transgenic variety of rice in which genes for the synthesis of β-carotene (provitamin A) have been introduced.

⇒ β-carotene gives the grains a golden-yellow colour and is converted into vitamin A in the body.

∴ Golden rice helps in alleviating vitamin A deficiency (night blindness), especially where rice is the staple food.

Answer: (2)

AIPMT 2006

Keep practising — Biotechnology and its Applications

2

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
3

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
4

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

  1. Catalase
  2. RNase
  3. DNA probes
  4. Alkaline phosphatase
AIPMT 2004
5

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

  1. Interferons
  2. Vaccines
  3. Edible proteins
  4. Insulin
AIPMT 2003
6

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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