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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
1. |
A __________ is a small laboratory set up to simulate conditions of a particular environment. |
A. | microcosm |
B. | mibridization |
C. | bioremediation |
D. | rhizosecretion |
Answer» B. mibridization | |
2. |
Name the technique which is used to enhance the life of a tomato. |
A. | Antisense technology |
B. | In vitro gene transfer |
C. | Ex vivo gene transfer |
D. | Molecular farming |
Answer» B. In vitro gene transfer | |
3. |
NAME_THE_TECHNIQUE_WHICH_IS_USED_TO_ENHANCE_THE_LIFE_OF_A_TOMATO.?$ |
A. | Antisense technology |
B. | In vitro gene transfer |
C. | Ex vivo gene transfer |
D. | Molecular farming |
Answer» B. In vitro gene transfer | |
4. |
Name the enzyme which has silenced to delay the ripening process? |
A. | Polygalacturonase |
B. | Glyphosate |
C. | ADA |
D. | P53 |
Answer» B. Glyphosate | |
5. |
Which of the following is supplemented with vitamin A in order to improve its nutritional quality? |
A. | Cotton |
B. | Potato |
C. | Tomato |
D. | Rice |
Answer» E. | |
6. |
Name the first transgenic virus resistant plant? |
A. | Rice |
B. | Cotton |
C. | Tobacco |
D. | Tomato |
Answer» D. Tomato | |
7. |
Name the marker gene of streptomycin? |
A. | HPT |
B. | SPT |
C. | PAT |
D. | BXN |
Answer» C. PAT | |
8. |
Which of the following is considered as a visual marker? |
A. | Antibiotic marker |
B. | Resistance marker |
C. | Selectable marker |
D. | Screenable marker |
Answer» E. | |
9. |
Name the strategy where two-plasmid system is used for the introduction of the gene? |
A. | Binary vector system |
B. | Co-integration vector strategy |
C. | Agrobacterium |
D. | Selectable marker strategy |
Answer» B. Co-integration vector strategy | |
10. |
In transgenesis, only cloned genes are introduced into the donor. |
A. | True |
B. | False |
Answer» B. False | |
11. |
The process of expression of foreign genes in a plant is called___________ |
A. | Gene expression |
B. | Transgenesis |
C. | Genetic transformation |
D. | Cell hybridization |
Answer» D. Cell hybridization | |