TLS Online TPP Program

#Question id: 5121


Following statements are being made regarding ‘stem cells. Which statement is incorrect?

#Unit 5. Developmental Biology
  1. A stem cell retains the ability to divide and re-create itself.

  2. Stem cells having the ability to generate progeny capable of specializing into a more differentiated cell type.

  3. Stem cells are sometimes referred to as “undifferentiated” due to this maintenance of proliferative properties.

  4. Stem cells are sometimes referred to as “differentiated” due to the maintenance of renewal propertie

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TLS Online TPP Program

#Question id: 5716

#Unit 8. Inheritance Biology

Which of the meiotic pairing possibilities in tetraploids and their consequence is correct?

A-chromosomes pair as bivalents, segregate normally producing diploid gametes.

B- Chromosomes pair as quadrivalent, segregates normally producing tetraploid gametes.

C-Chromosome pair as Trivalents form, segregation leads to nonfunctional aneuploid gametes

 D- Chromosome pair as Trivalents form, segregation leads to producing diploid gametes

TLS Online TPP Program

#Question id: 1007

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is the correct order for the synthesis of CTP?

TLS Online TPP Program

#Question id: 1501

#Unit 4. Cell Communication and Cell Signaling

When a culture of rodent cells is infected with a DNA tumor virus whose gene products bind to p53 and RB, all the cells take on characteristics of malignancy. If the viral gene coding the p53-binding protein is mutated, but that coding for the RB-binding protein is not mutated, how will infected cells respond?

TLS Online TPP Program

#Question id: 10155

#Unit 6. System Physiology – Plant

Which of the following components carries out oxygen cycle and also produces hydrogen per oxide ?

TLS Online TPP Program

#Question id: 3598

#Unit 8. Inheritance Biology

Mendel crossed, round tall pea plants RRTT with wrinkle dwarf rrtt. The F1 plants were all round tall. These F1 plants were selfing, following genotype are selected from F2 generation

A- RrTT       B- RrTt        C- RRtt 

Which of the following decreasing frequency of this genotype?