Biotechnology And Its Applications

15 Questions | By Jagranjosh | Updated: Mar 22, 2022 | Attempts: 5520

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Biotechnology is the application of technology to alter the different biological concepts and ideas. How much do you know of biotechnology? How about its application to the modern world? Find out below and all the best.

Questions and Answers

1.

Transgenic plants are plants having:
- A.
  
  No gene
- B.
  
  Genes in transposition
- C.
  
  Genes with no function to perform
- D.
  
  Genes of another organism
2.

Bt in popular crop Bt cotton stands for:
- A.
  
  Biotechnology
- B.
  
  Bacillus tomentosa
- C.
  
  Bacillus thuringiensis
- D.
  
  Best type
3.

In transgenics expression of transgene in target tissue is determined by:
- A.
  
  Transgene
- B.
  
  Promoter
- C.
  
  Reporter
- D.
  
  Enhancer
4.

The DNA used to produce insect resistance transgenic cotton is from:
- A.
  
  An insect
- B.
  
  A bacterium
- C.
  
  A wild relative of cotton
- D.
  
  A virus
5.

First biochemical to be produced commercially by microbial cloning and genetic engineering is:
- A.
  
  Human insulin
- B.
  
  Penicillin
- C.
  
  Interferon
- D.
  
  Fertility factor
6.

The bacteria used commercially for the first time as pesticide is:
- A.
  
  Escherichia coili
- B.
  
  Agrobacterium tumefaciens
- C.
  
  Bacillus thuringiensis
- D.
  
  Pseudomonas aeruginosa
7.

Hirudin is:
- A.
  
  A protein produced by Hordeum vulgare, which is rich in lysine
- B.
  
  A toxic molecule isolated from Gossypium hirsutum, which reduces human fertility
- C.
  
  A protein produced from transgenic Brassica napus which prevents blood clotting
- D.
  
  Antibiotic produced by a genetically engineered bacterium E.coli
8.

Trichoderma harzianum has proved useful microorganism for:
- A.
  
  Biological control of soil borne plant pathogens
- B.
  
  Bioremediation of contaminated soils
- C.
  
  Reclamation of wastelands
- D.
  
  Gene transfer in higher plants
9.

Cry I endotoxins obtained from Bacillus thuringiensis are effective against:
- A.
  
  Nematodes
- B.
  
  Flies
- C.
  
  Mosquitoes
- D.
  
  Boll worms
10.

Herbicide resistant GM crops are produced with the main objective to:
- A.
  
  Reduce herbicide accumulation in food articles for health safety
- B.
  
  Eliminate weeds from the field without the use of the manual labour
- C.
  
  Eliminate weeds from the field without the use of herbicides
- D.
  
  Encourage eco- friendly herbicides
11.

The transgenic species producing human insulin commercially is:
- A.
  
  Saccharomyces
- B.
  
  Escherichia
- C.
  
  Mycobacterium
- D.
  
  Rhizobium
12.

The permanent cure for the genetic defect adenosine deaminase (ADA) deficiency is done by:
- A.
  
  Periodic infusion of genetically engineered lymphocytes having functional ADA and DNA
- B.
  
  Administering adenosine deaminase activators
- C.
  
  Introducing bone marrow cells producing ADA into cells at early embryonic stages
- D.
  
  Enzyme replacement therapy
13.

Transgenic plants are the ones:
- A.
  
  Produced by somatic embryo in artificial medium
- B.
  
  Generated by introducing foreign DNA into a cell and generating a plant from that cell
- C.
  
  Produced after protoplast fusion in artificial medium
- D.
  
  Grown in artificial medium after hybridization in the field
14.

In developing countries, the problem of night blindness is being solved by a transgenic food crop called:
- A.
  
  Golden rice
- B.
  
  Flavr Savr Tomatoes
- C.
  
  Stralink maize
- D.
  
  Bt Soyabean
15.

Antisense technology means:
- A.
  
  RNA polymerse producing DNA
- B.
  
  A cell displaying a foreign antigen used for synthesis of antigens
- C.
  
  Production of somaclonal variants in tissue cultures
- D.
  
  When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene