Given below are a few statements regarding somatic hybridization. Choose the correct statements.
I. | Protoplasts of different cells of the same plant are fused. |
II. | Protoplasts from cells of different species can be fused. |
III. | Treatment of cells with cellulase and pectinase is mandatory. |
IV. | The hybrid protoplast contains characters of only one parental protoplast. |
1. I and III
2. I and II
3. I and IV
4. II and III
An explant is
1. dead plant
2. part of the plant
3. part of the plant used in tissue culture
4. part of the plant that expresses a specific gene
Micro-propagation is
1. propagation of microbes in vitro
2. propagation of plants in vitro
3. propagation of cells in vitro
4. growing plants on smaller scale
Protoplast is
1. another name for protoplasm
2. an animal cell
3. a plant cell without a cell wall
4. a plant cell
To isolate protoplast, one needs
1. pectinase
2. cellulase
3. both pectinase and cellulase
4. chitinase
Bt cotton is not
1. a GM plant
2. insect resistant
3. a bacterial gene expressing system
4. resistant to all pesticides
C-peptide of human insulin is
1. a part of mature insulin molecule
2. responsible for the formation of disulphide bridges
3. removed during maturation of pro-insulin to insulin
4. responsible for its biological activity
GEAC stands for
1. Genome Engineering Action Committee
2. Ground Environment Action Committee
3. Genetic Engineering Approval Committee
4. Genetic and Environment Approval Committee
α-1 antitrypsin is
1. an antacid
2. an enzyme
3. used to treat arthritis
4. used to treat emphysema
A probe, which is a molecule, used to locate homologous sequences in a mixture of DNA or RNA molecules could be:
1. an ssRNA
2. an ssDNA
3. either RNA or DNA
4. can be ssDNA but not ssRNA