Biotechnology and its Applications · Question 1

Arrange the following steps of somatic hybridisation in a correct sequence. Choose the correct answer from the options given below :

1. D, B, A, E, C
2. E, A, B, C, D
3. E, B, A, D, C
4. D, A, B, C, E

The toxin proteins isolated from Bacillus thuringiensis, coded by which of the following genes would control cotton bollworms and corn borer, respectively?

1. cryIAc and cryIIAb
2. cryIAc and cryIIIAb
3. cryIAc and cryIAb
4. cryIIAb and cryIAc

The human protein named α-1-antitrypsin, obtained from transgenic animals, is used for the treatment of .

1. Alzheimer's disease
2. Rheumatoid arthritis
3. Emphysema
4. Cystic fibrosis

The inactive form of Bt toxin is converted to the active form in the insect gut

1. by nucleases
2. due to alkaline pH
3. due to acidic pH
4. by proteases

Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?

1. Virus
2. Phage
3. Bacterium
4. Yeast

Silencing of specific mRNA is possible via RNAi because of

1. Complementary tRNA
2. Non-complementary ssRNA
3. Complementary dsRNA
4. Inhibitory ssRNA

Why can't insulin be given orally to diabetic patients?

1. Because of structural variation
2. Its bioavailability will be increased
3. Human body will elicit strong immune response
4. It will be digested in Gastro-Intestinal (GI) tract

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

Match List I with List II Choose the correct answer from the options given below:

1. A-II, B-I, C-IV, D-III
2. A-III, B-I, C-II, D-IV
3. A-III, B-IV, C-I, D-II
4. A-II, B-IV, C-I, D-III

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below :

1. Statement I is true but Statement II is false
2. Statement I is false but Statement II is true
3. Both Statement I and Statement II are true
4. Both Statement I and Statement II are false