TLS Online TPP Program
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TLS Online TPP Program
#Question id: 37881
#Plant Biotechnology
Assertion (A): Continuous culture systems are strictly classified as closed systems where no material leaves the vessel.
Reason (R): Continuous cultures require the regular replacement of a portion of the spent medium with fresh medium.
Choose the correct option from the following:
TLS Online TPP Program
#Question id: 37882
#Plant Biotechnology
Statement I: Plant cells can be immobilized by encapsulating them in materials such as agarose or calcium alginate gels.
Statement II: Immobilized cells are usually packed in a column where liquid medium is kept stagnant to prevent cell detachment.
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TLS Online TPP Program
#Question id: 37883
#Plant Biotechnology
Consider the following statements regarding the immobilization of plant cells:
A. Cells can be entrapped in membranes or stainless-steel screens.
B. Immobilization ensures that the cellular physiology remains exactly the same as in suspension cultures.
C. This technique is advantageous for biochemical production.
D. Liquid medium is continuously run through the column to provide aeration and nutrients.
Which of the statements given above are correct?
TLS Online TPP Program
#Question id: 37884
#Plant Biotechnology
Statement I: Immobilization of cells often alters their cellular physiology compared to cells grown in suspension culture.
Statement II: Due to physiological changes, immobilized cell systems are widely preferred for all types of plant studies, including genetic and developmental studies.
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TLS Online TPP Program
#Question id: 37885
#Plant Biotechnology
Assertion (A): Plant cell and tissue cultures can be maintained indefinitely.
Reason (R): Serial subculturing is performed to transfer tissues to fresh medium to counter nutrient depletion and medium drying.
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TLS Online TPP Program
#Question id: 37886
#Plant Biotechnology
| Column I (Hormone) | Column II (Function) |
| A. Auxin | 1. Inhibition of leaf senescence |
| B. Cytokinin | 2. Maturation of somatic embryo |
| C. Gibberellin (GA) | 3. Inhibition of axillary bud outgrowth (Apical Dominance) |
| D. Abscisic Acid (ABA) | 4. Fruit ripening |
| E. Ethylene | 5. Release from dormancy (Seeds/Buds) |