Plant Tissue Culture Multiple Choice Questions and Answers

1. A medium which is composed of chemically defined compound is called

1. Natural media
2. Synthetic media
3. Artificial media
4. None of these

2. A(n)...................is an excised piece of leaf or stem tissue used in micropropagation

1. microshoot
2. medium
3. explant
4. scion

3. Agrobacterium based gene transfer is efficient

1. only with dicots
2. only with monocots
3. with both monocots and dicots
4. with majority monocots and few dicots

4. Callus is

1. Tissue that forms embryo
2. An insoluble carbohydrates
3. Tissue that grows to form embryoid
4. Un organized actively dividing mass of cells maintained in cultured

5. Cell fusion method includes the preparation of large number of

1. plant cells stripped of their cell wall
2. single plant cell stripped of their cell wall
3. plant cells with cell wall
4. cells from different species

6. Cellular totipotency is the property of

1. Plants
2. Animals
3. Bacteria
4. all of these

7. Cybrids are produced by

1. Fusion of two different nuclei from two different species
2. Fusion of two same nuclei from same species
3. Nucleus of one species but cytoplasm from both the parent species
4. None of the above

8. DMSO (dimethyl sulfoxide) is used as

1. Gelling agent
2. Alkylating agent
3. Chelating agent
4. Cryoprotectant

9. Growth hormone producing apical dominance is

1. Auxin
2. Gibberellin
3. Ethylene
4. Cytokinin

10. Hormone pair required for a callus to differentiate are

1. Auxin and cytokinin
2. Auxin and ethylene
3. Auxin and absiccic acid
4. Cytokinins and gibberllin