MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
RNAi takes place in all prokaryotic organisms. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Formation of _______ initiates RNAi process. |
| A. | ds DNA |
| B. | ssDNA |
| C. | ss RNA |
| D. | ds RNA |
| Answer» E. | |
| 3. |
Sense and antisense RNA forms _____ |
| A. | ds RNA |
| B. | ss RNA |
| C. | ds DNA |
| D. | ss DNA |
| Answer» B. ss RNA | |
| 4. |
Sense and antisense RNA are _______ to each other. |
| A. | similar |
| B. | same |
| C. | complementary |
| D. | different |
| Answer» D. different | |
| 5. |
In RNAi, the DNA is introduced into a host plant in such a way that it produces both ________ |
| A. | complementary DNA and mRNA |
| B. | mRNA and sense RNA |
| C. | sense and antisense RNA |
| D. | DNA and RNA |
| Answer» D. DNA and RNA | |
| 6. |
_______ prevents the translation of the mRNA. |
| A. | Enhancing |
| B. | Knock out |
| C. | Clearing |
| D. | Silencing |
| Answer» E. | |
| 7. |
A method involving silencing of specific mRNA due to the binding of complementary dsRNA is called ________ |
| A. | Electrophoresis |
| B. | RNAi |
| C. | rDNA technology |
| D. | DNAi |
| Answer» C. rDNA technology | |
| 8. |
______ vectors are used for the introduction of nematode specific genes in the host. |
| A. | Bacterial |
| B. | Viral |
| C. | <em>Agrobacterium</em> |
| D. | <em>Meloidogyne incognitia</em> |
| Answer» D. <em>Meloidogyne incognitia</em> | |
| 9. |
_________ is mobile genetic elements. |
| A. | Viruses |
| B. | Bacteria |
| C. | Transposons |
| D. | Insertion sequences |
| Answer» D. Insertion sequences | |
| 10. |
RNAi stands for ______ |
| A. | RNA intersection |
| B. | RNA insertion |
| C. | RNA intercom |
| D. | RNA interference |
| Answer» E. | |
| 11. |
Which one is the method of cellular defense in animals and plants? |
| A. | Recombinant DNA technology |
| B. | RNA interference |
| C. | Immune response |
| D. | Mutation |
| Answer» C. Immune response | |
| 12. |
Which nematode infects the roots of tobacco plants? |
| A. | <em>Meloidogyne incognitia</em> |
| B. | <em>Ditylenchus dipsaci</em> |
| C. | <em>Xiphinema index</em> |
| D. | <em>Nacobbus aberrans</em> |
| Answer» B. <em>Ditylenchus dipsaci</em> | |