Which of the following enhances or induces the fusion of protoplasts?
In vitro clonal propagation in plants is characterized by:
1. PCR and RAPD
2. Northern blotting
3. Electrophoresis and HPLC
4. Microscopy
To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?
1. | Apical meristem only |
2. | Palisade parenchyma |
3. | Both apical and axillary meristems |
4. | Epidermis only |
Which part would be most suitable for raising virus-free plants for micro propagation?
1. Bark
2. Vascular tissue
3. Meristem
4. Node
Somaclones are obtained by:
1. tissue culture
2. plant breeding
3. irradiation
4. genetic engineering
Polyethene glycol method is used for:
1. gene transfer without a vector
2. biodiesel production
3. seedless fruit production
4. energy production from sewage
In order to obtain virus-free plants through tissue culture the best method is:
1. protoplast culture
2. embryo rescue
3. anther culture
4. meristem culture
A protoplast is a cell:
1. Without plasma membrane
2. Without nucleus
3. Undergoing division
4. Without cell wall
1. | genetically uniform population identical to the original parent |
2. | homozygous diploid plants |
3. | development of new species |
4. | variants through picking up somaclonal variations |
1. | The pattern of development of a somatic embryo is comparable to that of a zygotic embryo |
2. | Somatic embryos can develop from microspores |
3. | Somatic embryo is induced usually by an auxin such as 2, 4–D |
4. | A somatic embryo develops from a somatic cell |