Which of the following event is second in the action of Bt toxin?

1. Binding to epithelial cells

2. Creating pores

3. Swelling

4. Lysis

Subtopic:  Bt Crops |
 65%
Level 2: 60%+
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The choice of Bt toxin gene depends on

1. Crop

2. Targeted pest

3. Both A and B

4. Only on protein of Bt toxin gene

Subtopic:  Bt Crops |
 84%
Level 1: 80%+
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Most of the Bt toxin genes are

1. Insect group specific
2. Pest specific
3. Weed specific
4. Bacteria specific
Subtopic:  Bt Crops |
 81%
Level 1: 80%+
Hints

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Corn borers are controlled by

1. CryIAb
2. CryIAc
3. CryIIAb
4. Both B and C

Subtopic:  Bt Crops |
 77%
Level 2: 60%+
Hints

Silencing of specific mRNA due to a complementary dsRNA is called mRNA silencing. Here the source of ds RNA is

1. RNA virus

2. Mobile genetic element with RNA intermediate

3. Transposons having RNA intermediate during process of replication

4. All of these

Subtopic:  Interference RNA Tech |
 86%
Level 1: 80%+
Hints

Agrobacterium vectors carried nematode specific genes which is introduced into the host plant and such that it produced

1. Sense and anti sense RNA

2. Only antisense RNA

3. Only sense RNA

4. Sense and antisense Protein

Subtopic:  Interference RNA Tech |
 83%
Level 1: 80%+
Hints

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According to NCERT data how many recombinant therapeutics have been approved for human use and how many are marketed in India?

1. 12, 6

2. 32, 16

3. 30, 12

4. 12, 10

Subtopic:  Med Applications & Humulin |
 91%
Level 1: 80%+
Hints

How many chains does proinsulin consist of?

1. Three
2. Two
3. One
4. Five

Subtopic:  Med Applications & Humulin |
 82%
Level 1: 80%+
Hints

Which of the following peptides is present in only proinsulin not in insulin?

1. A

2. B

3. C

4. Both A and C

Subtopic:  Med Applications & Humulin |
 92%
Level 1: 80%+
Hints

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The main challenge for the production of insulin using r-DNA technologies was

1. Getting insulin assembled into a mature form
2. Getting insulin from human source
3. Getting insulin synthesized chemically in proinsulin form
4. Getting C peptide synthesized.
Subtopic:  Med Applications & Humulin |
 82%
Level 1: 80%+
Hints