Biotechnology and its Applications

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

Match List-I with List-II :

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

The Bt toxin in genetically engineered Bt cotton kills the pest by:

1. Creating pores in the midgut
2. Damaging the respiratory system
3. Degenerating the nervous system
4. Altering the pH of body fluids

Following are the steps involved in action of toxin in Bt. Cotton Choose the correct sequence of steps from the options given below:

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