MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Agar is extracted from ____________ |
| A. | Fungi |
| B. | Bacteria |
| C. | Algae |
| D. | Virus |
| Answer» D. Virus | |
| 2. |
The work Hybridization in DNA finger printing means ____________ |
| A. | Pairing between the nucleotides of DNA sample with probe |
| B. | Pairing between the nucleotides of DNA and mRNA |
| C. | Pairing between the nucleotides of probe with mRNA |
| D. | Pairing between the nucleosides with mRNA |
| Answer» B. Pairing between the nucleotides of DNA and mRNA | |
| 3. |
What is the main aim of human genome project? |
| A. | To identify and sequence of all the genes present in the human body |
| B. | To introduce new genes to human beings |
| C. | To remove disease causing genes from humans |
| D. | To improve techniques of finger printing |
| Answer» B. To introduce new genes to human beings | |
| 4. |
DNA Ligase, used in recombinant DNA technology is obtained from _______________ |
| A. | E.coli only |
| B. | E.coli and also Ligase encoded by T4 phage |
| C. | Saccharomyces |
| D. | Retroviruses |
| Answer» C. Saccharomyces | |
| 5. |
Which of the following is true about plasmids? |
| A. | They are present in all organisms |
| B. | They are present in bacteria only |
| C. | They are present in bacteria and phages |
| D. | They are present in plants and animals |
| Answer» D. They are present in plants and animals | |
| 6. |
Which of the following statements is true about a vector? |
| A. | Plasmids, phages can be used as vectors |
| B. | All vectors are plasmids |
| C. | Cyanobacteria can also be used as vectors |
| D. | Fungi can also be used as vectors |
| Answer» B. All vectors are plasmids | |
| 7. |
Recombinant DNA molecule is produced by ligating __________ |
| A. | Two DNA segments |
| B. | Two m-RNA molecules |
| C. | One m-RNA with one t-RNA |
| D. | One m-RNA with DNA segment |
| Answer» B. Two m-RNA molecules | |
| 8. |
Site directed mutagenesis facilitated research on __________ |
| A. | Carbohydrates |
| B. | Proteins |
| C. | Lipids |
| D. | Fats |
| Answer» C. Lipids | |
| 9. |
Generally, YAC contains how many elements? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |