MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Genetic Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
DNA can be injected into Caenorhabditis elegans by biolistic transformation. The injected DNA forms arrays of extrochromosomal copies which are stable in nature. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Caenorhabditis elegans is a model organism of great importance in biological systems. It is a/an _________ |
| A. | algae |
| B. | parasite |
| C. | fungi |
| D. | nematode |
| Answer» E. | |
| 3. |
Barstar is _________ |
| A. | RNAse |
| B. | RNAse inhibitor |
| C. | DNAse |
| D. | DNAse inhibitor |
| Answer» C. DNAse | |
| 4. |
The ARG8m gene which produces an enzyme for arginine biosynthesis is located in _______ and is of ______ origin. |
| A. | mitochondrial, nuclear |
| B. | nuclear, mitochondrial |
| C. | nuclear, nuclear |
| D. | mitochondrial, mitochondrial |
| Answer» B. nuclear, mitochondrial | |
| 5. |
COX3 gene is a selectable marker. Choose the correct statement with respect to it. |
| A. | It confers the ability to grow by anaerobic respiration |
| B. | It confers the ability to grow by aerobic respiration |
| C. | It confers the ability to grow in absence of uracil |
| D. | It confers the ability to grow in lithium acetate medium |
| Answer» C. It confers the ability to grow in absence of uracil | |
| 6. |
Mutant strains of Saccharomyces cervevisiae in which endogenous DNA are deleted are called as _________ |
| A. | rho0 |
| B. | synthetic rho |
| C. | rho+ |
| D. | rho- |
| Answer» B. synthetic rho | |
| 7. |
Chloroplast can be transferred through pollen in all crops. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
For transformation of the chloroplast of higher plants, a vector is used which ______ in the chloroplast. |
| A. | doesn t replicates |
| B. | replicates |
| C. | may or may not replicate |
| D. | replicates under certain specified conditions |
| Answer» B. replicates | |
| 9. |
How many types of the chloroplast are there in Chlamydomonas? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 10. |
Bacterial aadA gene is responsible for conferring resistance to _________ |
| A. | spectinomycin |
| B. | streptomycin |
| C. | ampicillin |
| D. | spectomycin and streptomycin |
| Answer» E. | |
| 11. |
atpB encodes _______ subunit of ATP synthase, an enzyme used for generation of ______ |
| A. | beta, ADP |
| B. | alpha, ATP |
| C. | beta, ATP |
| D. | alpha, ADP |
| Answer» D. alpha, ADP | |
| 12. |
Allotopic gene expression is the case when the presence of a normal gene in an organelle is not a problem in expression. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Atrazine is a herbicide and it acts on _________ |
| A. | reaction centre in photosystemI |
| B. | reaction centre in photosytemII |
| C. | reaction centre in both the photosystems |
| D. | neither of the photosystems |
| Answer» C. reaction centre in both the photosystems | |
| 14. |
Mitochondrial genome encodes tRNAs ___________ and polypeptides involved in _______ |
| A. | mRNAs, oxidative phosphorylation |
| B. | rRNAs, oxidative phosphorylation |
| C. | rRNAs, reductive phosphorylation |
| D. | mRNAs, reductive phosphorylation |
| Answer» C. rRNAs, reductive phosphorylation | |