Plant Tissue Culture MCQ Quiz - Multiple Choice Questions & Answers Page 2

11. Which vector is mostly used in crop improvement?

1. Plasmid
2. Cosmid
3. Phasmid
4. Agrobacterium

12. Who is the father of tissue culture?

1. Bonner
2. Haberlandt
3. Laibach
4. Gautheret

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

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

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

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

15. 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

16. 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

17. 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

18. Cellular totipotency is the property of

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

19. 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

20. DMSO (dimethyl sulfoxide) is used as

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