Q. No.Root knot in Tobacco is caused by the nematode:
1. Heterodera avenae
2. Anguina tritici
3. Globodera pallida
4. Meloidogyne incognita
1. Heterodera avenae
2. Anguina tritici
3. Globodera pallida
4. Meloidogyne incognita
Subtopic: Interference RNA Tech |
98%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
The Nobel Prize-winning discovery of RNA interference (RNAi) is now used in biotechnology to:
| 1. | Increase the rate of DNA replication. |
| 2. | Silence specific genes by degrading their mRNA using dsRNA. |
| 3. | Promote transcription of viral genes. |
| 4. | Enhance mitochondrial DNA synthesis |
Subtopic: Interference RNA Tech |
98%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
What role do Agrobacterium vectors play in creating transgenic tobacco plants resistant to Meloidogyne infestation?
| 1. | Direct attack and killing of nematodes in the soil. |
| 2. | Making the roots tougher so that the nematode cannot enter the plant. |
| 3. | Introduce nematode-specific genes into the host plant, leading to the production of complementary dsRNA. |
| 4. | Increasing oxygen availability in the rhizosphere, killing the nematode. |
Subtopic: Interference RNA Tech |
96%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which technique was used to prevent Meloidogyne incognita infestation in tobacco plants?
1. Gene therapy
2. RNA interference (RNAi)
3. CRISPR-Cas9
4. Recombinant DNA vaccine
1. Gene therapy
2. RNA interference (RNAi)
3. CRISPR-Cas9
4. Recombinant DNA vaccine
Subtopic: Interference RNA Tech |
93%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
How were nematode specific genes introduced in tobacco plants to make it resistant to infection by Meloidogyne incognitia?
1. Using Agrobacterium vectors
2. Using gene gun
3. Through retroviruses
4. Using liposomes
1. Using Agrobacterium vectors
2. Using gene gun
3. Through retroviruses
4. Using liposomes
Subtopic: Interference RNA Tech |
92%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
What is antisense technology?
| 1. | A cell displaying a foreign antigen used for the synthesis of antigens. |
| 2. | Production of somaclonal variants in tissue cultures. |
| 3. | When a piece of RNA that is complementary in sequence is used to stop the expression of a specific gene |
| 4. | RNpolymerase-producingng DNA |
Subtopic: Interference RNA Tech |
92%
Level 1: 80%+
AIPMT - 2008
Hints
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells).
1. both sense and anti-sense RNA
2. a particular hormone
3. An antifeedant
4. a toxic protein
Subtopic: Interference RNA Tech |
92%
Level 1: 80%+
Hints
Silencing of mRNA has been used in producing transgenic plants resistant to:
| 1. | Bollworms | 2. | Nematodes |
| 3. | White rusts | 4. | Bacterial blights |
Subtopic: Interference RNA Tech |
91%
Level 1: 80%+
Hints
Which one of the following is commonly used in transfer of foreign DNA into crop plants?
1. Penicillium expansum
2. Trichoderma polysporum
3. Meloidogyne incognita
4. Agrobacterium tumefaciens
Subtopic: Interference RNA Tech | Other GM Crops |
90%
Level 1: 80%+
Hints
Which of the following processes is involved to control parasite Meloidogyne incognita?
1. Process based on chemical control
2. Process based on RNA interference
3. Toxin coded by a gene CryIAc
4. Recombinant DNA-technology
1. Process based on chemical control
2. Process based on RNA interference
3. Toxin coded by a gene CryIAc
4. Recombinant DNA-technology
Subtopic: Interference RNA Tech |
89%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
© 2026 GoodEd Technologies Pvt. Ltd.