Plant Tissue Culture Multiple Choice Questions and Answers

21. Growth hormone producing apical dominance is

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

22. 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

23. In a callus culture

1. increasing level of cytokinin to a callus induces shoot formation and increasing level of auxin promote root formation
2. increasing level of auxin to a callus induces shoot formation and increasing level of cytokinin promote root formation
3. auxins and cytokinins are not required
4. only auxin is required for root and shoot formation

24. In a cell, protoplast consists of the following EXCEPT?

1. Cell wall
2. Cell membrane
3. Nucleus
4. Cytoplasm

25. In growth room, humidifier serves as?

1. Contaminant reducer
2. Humidity reducer
3. Medium drying preventer
4. Temperature controller

26. In plant tissue culture, what is the term ORGANOGENESIS means?

1. Formation of callus culture
2. Formation of root & shoot from callus culture
3. Genesis of organ
4. None of the above

27. Media room of a plant tissue culture lab should consist of the following EXCEPT?

1. pH meter
2. Autoclave machine
3. Analytical balance
4. Biosafety cabinet

28. Organogenesis is

1. formation of callus tissue
2. formation of root and shoots on callus tissue
3. Both a and b
4. genesis of organs

29. Part of plant used for culturing is called

1. Scion
2. Explant
3. Stock
4. Callus

30. Plant tissue culture technique is a redefined method of

1. Hybridization
2. Vegetative Propagation
3. Asexual Reproduction
4. Selection