TLS Online TPP Program

#Question id: 125


Regions on cell membranes called lipid rafts form because

#Section 2: General Biology
  1. membrane proteins form them.

  2. cholesterol preferentially associates with sphingolipids.

  3. certain membrane protein patches aggregate.

  4. cholesterol and proteins bind to form them.

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TLS Online TPP Program

#Question id: 15715

#Section 6: Plant, Animal and Microbial Biotechnology

In embryogenesis a type of structure with no vascular connection with the maternal callus tissue or explants is formed

TLS Online TPP Program

#Question id: 15726

#Section 6: Plant, Animal and Microbial Biotechnology

Tissues and cells cultured in a liquid medium produce culture of single cells and cells clumps of few to many cells

TLS Online TPP Program

#Question id: 15727

#Section 6: Plant, Animal and Microbial Biotechnology

The stationary phase is forced on the culture by , identify correct option
1. Depletion of the nutrients
2. Due to accumulation of cellular wastes
3. Accumulation of the nutrients
4. Removal of cellular wastes

TLS Online TPP Program

#Question id: 15728

#Section 6: Plant, Animal and Microbial Biotechnology

Single cells can be cultured using the following techniques:
(1) Filter paper raft-nurse tissue technique
(2) Microchamber technique
(3) Microdrop method
(4) Bergman's plating technique
(5) Thin layer liquid medium
Select the option with correct choices.

TLS Online TPP Program

#Question id: 15730

#Section 6: Plant, Animal and Microbial Biotechnology

Haploid plants may be obtained from culturing
1) Anther culture
2) Pollen culture
3) Stem culture
4) Ovary culture

TLS Online TPP Program

#Question id: 15731

#Section 6: Plant, Animal and Microbial Biotechnology

Conditions for rooting involves
1. low salt
2. reduced sugar level
3. addition of NAA
Which of the above statements combinations are correct