Topic-05: Tissue culture

38.The term used for “the process of growing cells artificially in the laboratory” is known as;

1. Tissue Culture
2. media culture
3. Culturing
4. None of these

39. Tissue culture involves ————-

1. plant
2. animal
3. both plant and animal cells.
4. none of these

40.Tissue culture produces clones, in which all product cells have the same—————

1. phenotype
2. genotype
3. Both a and b
4. None of these

41.1-Gottleib Haberlandt work for ——-

1. Animal
2. Bacteria
3. fungi
4. plants

43.The first commercial use of plant clonal propagation on artificial media was in the germination and growth of orchid plants, in the ………

1. 1980s
2. 1970s
3. 1920’s
4. 1930s

44.A suitable —————containing energy sources and inorganic salts to supply cell growth needs

1. growth medium
2. Medium
3. Temperature
4. pH

45.—————— grow much more quickly than plant and animal tissue and can over run a culture

1. plants
2. Animals
3. microorganisms
4. None of these

46.Steps of tissue culturing

1. 3
2. 4
3. 5
4. 6

47.————– are small pieces of plant parts or tissues that are aseptically cut and used to initiate a culture in a nutrient medium

1. Explants
2. Callus
3. Both a and b
4. None of these

48.———— (a mass of loosely arranged cells)

1. Explant
2. callus
3. Both a and b
4. none of these

Topic-06. Growth Regulators

49.—————-is an irreversible change in Mass, i.e. increase in size, volume and weight of any part of plant’s body

1. Growth
2. Development
3. Respitation
4. None of these

50.————– is an irreversible change in state

1. Development
2. Growth
3. Respiration
4. None of these