TLS Online TPP Program
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TLS Online TPP Program
#Question id: 37972
#Plant Biotechnology
Statement I: Commitment to androgenesis is achieved mainly by the overexpression of pollen maturation ('late') genes.
Statement II: In wheat, the synthesis of a metallothionein-like protein during induction is regulated by Abscisic Acid (ABA).
TLS Online TPP Program
#Question id: 37973
#Plant Biotechnology
Statement I: In cereal species like rice and wheat, modifying the medium composition can determine whether the cell mass forms an embryo or a callus.
Statement II: The formation of a callus versus a globular embryo is strictly dependent on the temperature and cannot be influenced by the species type.
TLS Online TPP Program
#Question id: 37974
#Plant Biotechnology
Which of the following phenomena is primarily responsible for the wide variation in ploidy levels observed in plants regenerated from anther or microspore culture?
TLS Online TPP Program
#Question id: 37975
#Plant Biotechnology
In the context of determining ploidy in potato plants using stomatal guard cells, a chloroplast count of 18–24 per guard cell indicates that the plant is:
TLS Online TPP Program
#Question id: 37976
#Plant Biotechnology
Which staining agent is specifically recommended for determining ploidy by counting the number of nucleoli?
TLS Online TPP Program
#Question id: 37977
#Plant Biotechnology
| List I (Method) | List II (Feature) |
| A. Flow Cytometry | 1. Counts plastids in stomata |
| B. Chromosome Number | 2. Uses Acetocarmine stain |
| C. Nucleoli Count | 3. Measures Nuclear DNA content |
| D. Indirect Method | 4. Distinguishes 1 vs 2 organelles |