MCQOPTIONS
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MCQOPTIONS
This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Cultures and Characteristics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The ability of single cells to divide and produce all differentiated cells in the entity. |
| A. | Totipotency |
| B. | Multipotent |
| C. | Pluripotent |
| D. | Unipotent |
| Answer» B. Multipotent | |
| 2. |
Which of the following is the first transgenic crop? |
| A. | flax |
| B. | tobacco |
| C. | plastic |
| D. | cotton |
| Answer» C. plastic | |
| 3. |
Which of the following plant propagation method uses girdling? |
| A. | cuttings |
| B. | grafting |
| C. | layering |
| D. | both (a) and (b) |
| Answer» D. both (a) and (b) | |
| 4. |
This is not a basic component of culture media for plant cultivation |
| A. | amino acids |
| B. | sucrose/sugar |
| C. | a complex mixture of salts |
| D. | serum albumin |
| Answer» E. | |
| 5. |
In tissue culture system, this is the main effect of cytokines |
| A. | shoot elongation |
| B. | adventitious root formation |
| C. | induction of somatic embryos |
| D. | adventitious shoot formation |
| Answer» E. | |
| 6. |
Which of the following statement is incorrect about agar? |
| A. | Remains stable at incubation temperature |
| B. | Does not react with media constituents |
| C. | Does not use in micropropagation work |
| D. | Not digested by plant enzymes |
| Answer» D. Not digested by plant enzymes | |
| 7. |
The following are methods of sterilization EXCEPT |
| A. | Dry heat sterilization |
| B. | Autoclaving |
| C. | Sterilization by filters |
| D. | Laminar airflow |
| Answer» E. | |
| 8. |
The material used in culture techniques is important because the surface of the vessel serves as a substrate for cells to grow |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Recombination of different types of cells to form more defined tissue or organ is known as __________________ |
| A. | Organotypic culture |
| B. | Primary culture |
| C. | Secondary culture |
| D. | Cell line |
| Answer» B. Primary culture | |
| 10. |
Culture freshly prepared from isolated tissue is known as _____ |
| A. | Organ culture |
| B. | Primary culture |
| C. | Cell line |
| D. | Histotypic culture |
| Answer» C. Cell line | |
| 11. |
______________is the primary equipment required for animal tissue culture laboratories |
| A. | Glasswares |
| B. | Laminar flow |
| C. | Sterilizers |
| D. | All |
| Answer» C. Sterilizers | |
| 12. |
Growth of plant tissues in artificial media is called _______. |
| A. | cell hybridization |
| B. | plant tissue culture |
| C. | transgenesis |
| D. | gene expression |
| Answer» C. transgenesis | |
| 13. |
What is animal tissue culture? |
| A. | Growth and maintenance of animal cells |
| B. | Growth and selling of animal cells |
| C. | Only maintenance of animal cells |
| D. | All |
| Answer» B. Growth and selling of animal cells | |
| 14. |
Which of the following is not a feature of plant cells? |
| A. | Consists of plastids |
| B. | Cell wall outside the cell membrane |
| C. | Presence of centrioles |
| D. | Cell-cell communication through plasmodesmata |
| Answer» D. Cell-cell communication through plasmodesmata | |
| 15. |
Which of the following is a superbug? |
| A. | virus |
| B. | bacteria |
| C. | transgenic plant |
| D. | worms |
| Answer» C. transgenic plant | |
| 16. |
Pseudomonas aeruginosa forms a blue water soluble pigment called |
| A. | pyocyanin |
| B. | chlororaphin |
| C. | pyoverdin |
| D. | -carotene |
| Answer» B. chlororaphin | |
| 17. |
Which of the following is the technique used for the embryo culture ? |
| A. | Organ cultures on plasma clots |
| B. | Organ cultures on agar |
| C. | Whole embryo cultures |
| D. | All of these |
| Answer» E. | |
| 18. |
Treponema species from human oral cavity can be selected by using |
| A. | pH of the medium |
| B. | incubation temperature |
| C. | cell size and motility |
| D. | all of these |
| Answer» D. all of these | |
| 19. |
Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni? |
| A. | Vacomycin |
| B. | Polymyxin |
| C. | Trimethoprim |
| D. | None of these |
| Answer» E. | |
| 20. |
To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at a pH of |
| A. | 8.5 |
| B. | 8.90 |
| C. | 6.79 |
| D. | 3.5 |
| Answer» B. 8.90 | |
| 21. |
This is a cellular totipotency property. |
| A. | plants |
| B. | animals |
| C. | virus |
| D. | none of the above |
| Answer» B. animals | |