Science and Technology - Biotechnology & Nano Technology

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Question - 1

The genetically engineered 'golden rice is rich in which of the following?

  • A Vitamin-A and nicotinic acid 
  • B B-carotene, vitamin-A and folic acid
  • C B-carotene and iron
  • D Vitamin-A and niacin

Question - 2

Biotechnology is 

  • A Use of microorganisms in industrial process
  • B Development of technology for medicine application 
  • C Use of genetic engineering
  • D Technology used in Biology

Question - 3

Study the following statements
1. The Southern Blot technique is use for the detection of DNA.
2. The Northern blot technique is used for the detection of RNA.

  • A Only 1
  • B Only 2
  • C 1 and 2
  • D None of these

Question - 4

A genetically engineered form of brinjal known as the Bt brinjal has been developed. The objective of this is

  • A To make it pest-resistant
  • B To improve its taste and nutritive qualities
  • C To make it drought resistant 
  • D To make its shelf-life longer

Question - 5

Bt seed is associated with

  • A Rice
  • B Wheat
  • C Cotton
  • D oilseed

Question - 6

Consider the following statements
1. A stem cell has the ability to develop into any type of cell.
2. Tissue plasminogen activator is used for dissolving blood clots.
3. Dextran is a plasma expander used in blood transfusion.

  • A Only 1
  • B Only 2
  • C only 3
  • D 1, 2 and 3

Question - 7

Study the  following statements
1. Vitamin-C was the first vitamin to be produced by a fermentation process using Acetobacter.
2. Vitamin-B12 is produced by Propionic bacterium and Pseudomonas.

  • A Only 1
  • B Only 2
  • C 1 and 2
  • D None of these

Question - 8

Which of the following is correct about the 'Monoclonal antibodies'?

  • A Single parent type that attacks many antigens
  • B Single parent type that attacks specific antigen
  • C Various parents types that attack many antigens
  • D Various parent types that attack single antigen

Question - 9

Hybridoma technology is a new biotechnological approach for commercial production of

  • A Monoclonal antibodies 
  • B Interferon
  • C Antibiotics
  • D Alcohol

Question - 10

Which one of the following chemicals is used to fuse plant protoplasts in genetic engineering?

  • A Ethylene
  • B Polyethylene glycol
  • C Calcium nitrate
  • D Sodium hydroxide
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