TLS Online TPP Program
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TLS Online TPP Program
#Question id: 37889
#Plant Biotechnology
Consider the following statements regarding vascular differentiation:
1. Auxin is the principal limiting factor for vascular differentiation.
2. Gibberellic Acid (GA) is essential for the differentiation of phloem.
3. Lower levels of NH4+ and NO3- inhibit vascularization.
4. A high Cytokinin : Auxin ratio can promote both xylem and phloem differentiation.
Which of the statements given above are CORRECT?
TLS Online TPP Program
#Question id: 37890
#Plant Biotechnology
In which plant were the TED genes (TED2, TED3, TED4) identified as being expressed during the redifferentiation of mesophyll cells into tracheary elements?
TLS Online TPP Program
#Question id: 37891
#Plant Biotechnology
In the context of vascular tissue differentiation in vitro, which of the following sucrose concentrations is correctly matched with the type of tissue it predominantly induces?
TLS Online TPP Program
#Question id: 37892
#Plant Biotechnology
Which of the following statements regarding the molecular basis of tracheary element differentiation is CORRECT?
TLS Online TPP Program
#Question id: 37893
#Plant Biotechnology
Tracheary element differentiation is considered an irreversible process. What is the primary cytological reason for this?
TLS Online TPP Program
#Question id: 37894
#Plant Biotechnology
Match the term with the correct definition regarding cell regeneration pathways:
| List I (Process) | List II (Description) |
| A. Organogenesis | 1. Direct formation of embryos from somatic cells |
| B. Somatic Embryogenesis | 2. Dedifferentiation → callus → redifferentiation → organs |
| C. Proliferative Cycle | 3. Daughter cells are copies of mother, differentiate without division |
| D. Quantal Cycle | 4. Daughter cells differ from mother, less likely to differentiate |