TLS Online TPP Program

#Question id: 5038


The folding of sheets of cells, the migration of cells, and cell death are all mechanisms of

#Zoology
  1. cleavage division

  2. pattern formation

  3. morphogenesis

  4. differentiation          

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TLS Online TPP Program

#Question id: 37984

#Plant Biotechnology

List I (Method)List II (Characteristic)
A. Colchicine-lanolin paste1. Cotton plugs applied over time (e.g., 14 days)
B. Plantlet treatment2. Main axis decapitated to stimulate axillary buds
C. Repeated axillary bud treatment3. Treated with 0.5% colchicine for 24–48 h

TLS Online TPP Program

#Question id: 37985

#Plant Biotechnology

In the "Colchicine-lanolin paste" method, what is the concentration of the paste applied to the leaf axils? 

TLS Online TPP Program

#Question id: 37986

#Plant Biotechnology

Which treatment method mentions "Potato" as an example where cotton plugs are applied for 14 days? 

TLS Online TPP Program

#Question id: 37987

#Plant Biotechnology

Statement I: Endomitosis is a cellular process where haploid cells duplicate their chromosomes without undergoing nuclear division, resulting in the formation of diploid cells.
Statement II: In plant tissue culture, this process is primarily utilized to generate highly heterozygous plants for hybrid vigor.

TLS Online TPP Program

#Question id: 37988

#Plant Biotechnology

Consider the following steps regarding the production of diploid plants via endomitosis as described in the text:

TLS Online TPP Program

#Question id: 37989

#Plant Biotechnology

Assertion (A): Plants regenerated from stem segment-derived callus on auxin-cytokinin medium can be diploid and homozygous.
Reason (R): The presence of auxin and cytokinin prevents chromosome duplication during the cell cycle.

In the light of the above statements, choose the correct answer from the options given below: