MCQOPTIONS
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MCQOPTIONS
This section includes 26 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. |
Which of the following is not an application of tissue culture? |
| A. | Rapid Clonal Propagation |
| B. | Somaclonal Variations |
| C. | Embryo rescue |
| D. | Transgenic plants |
| Answer» D. Transgenic plants | |
| 2. |
Which of the following is not related to embryo culture? |
| A. | Growth of embryos on culture medium |
| B. | Developing seedlings |
| C. | Multiplication of rare plants |
| D. | Making virus-free plants |
| Answer» E. | |
| 3. |
What are somatic hybrids? |
| A. | Hybrid protoplasts |
| B. | Protoplasts |
| C. | Fused plasmids |
| D. | Fused Chloroplast |
| Answer» B. Protoplasts | |
| 4. |
Pomato is a somatic hybrid. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What is protoplast? |
| A. | Cell wall + Plasma membrane |
| B. | Plant cell – cell wall |
| C. | Cytoplasm + cell wall |
| D. | Plasma membrane – cytoplasm |
| Answer» C. Cytoplasm + cell wall | |
| 6. |
Which of the following plant’s meristem has not been successfully cultured? |
| A. | Banana |
| B. | Apple |
| C. | Sugarcane |
| D. | Potato |
| Answer» C. Sugarcane | |
| 7. |
Which of the following plant part is free from the attack of the virus? |
| A. | Stem |
| B. | Root |
| C. | Meristem |
| D. | Leaves |
| Answer» D. Leaves | |
| 8. |
What are somaclones? |
| A. | Plants chemically identical to the original plant |
| B. | Plants morphologically identical to the original plant |
| C. | Plants anatomically identical to the original plant |
| D. | Plants genetically identical to the original plant |
| Answer» E. | |
| 9. |
Essential requirement of an artificial medium in which explant is being regenerated is __________ |
| A. | the medium should have a sulphur source |
| B. | the medium should have very low carbon concentration |
| C. | the medium must provide a carbon source |
| D. | the medium must provide a nitrogen donor |
| Answer» D. the medium must provide a nitrogen donor | |
| 10. |
The capacity to generate a whole new plant from any cell is known as micropropagation. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 11. |
What is an explant? |
| A. | A part of plant grown under soil |
| B. | Any part of a plant taken out and grown in a test tube |
| C. | A specific part of a plant grown in a test tube |
| D. | Leaves grew under test tube |
| Answer» C. A specific part of a plant grown in a test tube | |
| 12. |
Which of the following scientist was not responsible for developing somatic hybrids? |
| A. | Steward |
| B. | Halperin |
| C. | Wetherell |
| D. | Skoog |
| Answer» E. | |
| 13. |
Tissue culture technique was first practised by _____________ |
| A. | White |
| B. | Haberlandt |
| C. | Halperin |
| D. | Skoog |
| Answer» C. Halperin | |
| 14. |
What is plant tissue culture? |
| A. | The technique of in vitro maintaining and growing cells |
| B. | The technique of in vivo growing cells |
| C. | The technique of growing plants in gardens |
| D. | The technique of cutting plants |
| Answer» B. The technique of in vivo growing cells | |
| 15. |
Which of the following plant hormone control fruit ripening? |
| A. | Ethylene |
| B. | Auxin |
| C. | Gibbrellins |
| D. | Abscisis acid |
| Answer» B. Auxin | |
| 16. |
Which one of them is NOT the main effect of polyamines in the tissue culture system? |
| A. | Promotion of tuber and bulb formation |
| B. | Adventitious root formation |
| C. | Promotion of shoot formation |
| D. | Somatic embryogenesis |
| Answer» B. Adventitious root formation | |
| 17. |
WHICH_ONE_OF_THEM_IS_NOT_THE_MAIN_EFFECT_OF_POLYAMINES_IN_THE_TISSUE_CULTURE_SYSTEM??$ |
| A. | Promotion of tuber and bulb formation |
| B. | Adventitious root formation |
| C. | Promotion of shoot formation |
| D. | Somatic embryogenesis |
| Answer» B. Adventitious root formation | |
| 18. |
Which_of_the_following_plant_hormone_control_fruit_ripening?$ |
| A. | Ethylene |
| B. | Auxin |
| C. | Gibbrellins |
| D. | Abscisis acid |
| Answer» B. Auxin | |
| 19. |
Which of the following is the main effect of cytokines in the tissue culture system? |
| A. | Adventitious shoot formation |
| B. | Induction of somatic embryos |
| C. | Adventitious root formation |
| D. | Shoot elongation |
| Answer» B. Induction of somatic embryos | |
| 20. |
Which of the following is NOT a plant growth regulator? |
| A. | Auxin |
| B. | Cytokinins |
| C. | Abcisic acid |
| D. | Polyphenols |
| Answer» E. | |
| 21. |
Mark the INCORRECT statement about agar, a gelling agent in plant tissue culture medium? |
| A. | Not digested by plant enzymes |
| B. | It does not use in microprapogation work |
| C. | It does not react with media constituents |
| D. | Remain stable at incubation temperature |
| Answer» C. It does not react with media constituents | |
| 22. |
Out of the following, which one is NOT the basic component of culture media used for plant cultivation? |
| A. | Complex mixture of salts |
| B. | Amino acids |
| C. | Serum albumin |
| D. | Sugar/ sucrose |
| Answer» D. Sugar/ sucrose | |
| 23. |
Name the term given to the ability of single cells to divide and produce all the differentiated cell in the organism? |
| A. | Unipotent |
| B. | Pluripotent |
| C. | Multipotent |
| D. | Totipotency |
| Answer» E. | |
| 24. |
Which of the following is NOT the feature of plant cells? |
| A. | Presence of centrioles |
| B. | The cell wall outside the cell membrane |
| C. | Cell-cell communication through plasmodesmata |
| D. | Consists of plastids |
| Answer» B. The cell wall outside the cell membrane | |
| 25. |
A plant cell is a prokaryotic cell. |
| A. | True |
| B. | False |
| Answer» C. | |
| 26. |
The growth of plant tissues in artificial media is called___________ |
| A. | Gene expression |
| B. | Transgenesis |
| C. | Plant tissue culture |
| D. | Cell hybridization |
| Answer» D. Cell hybridization | |