- 1(current)
Q. No.Consider the given two statements:
| Assertion(A): | Agrobacterium vector was used to introduce nematode-specific genes into tobacco plants to create transgenic plants resistant to Meloidogyne incognita. |
| Reason (R): | Tobacco plant is a monocot. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Interference RNA Tech |
72%
From NCERT
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%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
How does RNA interference (RNAi) enable tobacco plants to develop resistance against nematode infection?
| 1. | By enhancing the expression of nematode-attracting genes that trap and kill the nematode. |
| 2. | By silencing specific genes of the nematode through double stranded RNA. |
| 3. | By increasing the production of proteins that are toxic to the nematodes. |
| 4. | By promoting faster growth of the plant, outpacing nematode damage. |
Subtopic: Interference RNA Tech |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
A post-transcriptional genetic mechanism of eukaryotes that suppresses gene expression and in which double-stranded RNA cleaved into small fragments initiates the degradation of a complementary messenger RNA sequence is called:
| 1. | CRISPR | 2. | Genetic Engineering |
| 3. | Gene Splicing | 4. | RNA Interference |
Subtopic: Interference RNA Tech |
75%
From NCERT
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%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
RNA interference (RNAi) is a biological process in which:
| 1. | RNA molecules inhibit gene expression or translation by neutralizing targeted mRNA molecules. |
| 2. | RNA molecules enhance the expression of genes by stabilizing mRNA. |
| 3. | mRNA is directly translated into proteins without any regulatory mechanisms. |
| 4. | tRNA molecules bind to mRNA to increase protein synthesis. |
Subtopic: Interference RNA Tech |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
What is true about RNA interference?
| 1. | It enhances the expression of specific genes. |
| 2. | It is a process that silences gene expression using double-stranded RNA molecules. |
| 3. | It primarily involves altering the DNA sequence to block gene expression. |
| 4. | It is used to introduce new traits into organisms. |
Subtopic: Interference RNA Tech |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.