Practice Questions

TLS Online TPP Program

#Question id: 5703

Robertsonian translocation is reciprocal exchange of genetic segment between two acrocentric chromosomes. Which of the following is incorrect statement?

#Part-B Specialized Branches in Biotechnology

Translocation resulting karyotype in humans leaves only 45 chromosomes
Robertsonian translocations carrier individuals are not associated with any phenotypic abnormalities
All gamete of Robertsonian translocations carrier are unbalanced gametes that lead to miscarriages or abnormal offspring
Carriers of Robertsonian translocations involving chromosome 21 have a higher risk of having a child with Down syndrome

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TLS Online TPP Program

#Question id: 12688

#Part-A Aptitude & General Biotechnology

The perimeter of five squares are 24 cm, 32 cm, 40 cm, 76 cm and 80 cm respectively. The perimeter of another square equal in area to sum of the areas of these squares is :

TLS Online TPP Program

#Question id: 11539

#Part-B Specialized Branches in Biotechnology

Aspirin and ibuprofen both ________.

TLS Online TPP Program

#Question id: 15184

#Part-A Aptitude & General Biotechnology

Phenomenon of Electroendosmosis is largely applicable in

A. Gel Electrophoresis

C. Free Solution

TLS Online TPP Program

#Question id: 4373

#Part-A Aptitude & General Biotechnology

Which of the following is true about transcription?

TLS Online TPP Program

#Question id: 13084

#Part-A Aptitude & General Biotechnology

Statement: In a modified version of AFLP, the selection of fragments using biotin-streptavidin binding is avoided.

Explanations: I. The fragments are ligated to the appropriate adapters and used for PCR amplification using two AFLP primers, each primer having a single selection nucleotide; this is called preamplification step.

II. The PCR products from this preamplificated step are diluted and used as template for second PCR amplification.