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#Question id: 1607


Which of the following does NOT protect body surfaces?

#Section 2: General Biology
  1. Skin

  2. Mucus

  3. Gastric acid

  4. Salivary amylase


Answer:- Option(s): 4


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#Question id: 14476

#Section 1: Engineering Mathematics

A bag contains 6 white balls, 9 black balls. The probability of drawing a black ball is

TLS Online TPP Program

#Question id: 1670

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

The T-cell receptor genes were originally identified using:

TLS Online TPP Program

#Question id: 10260

#Section 2: General Biology

Arrange F, C, O, N in the decreasing order of electronegativity

TLS Online TPP Program

#Question id: 14431

#Section 5: Bioprocess Engineering and Process Biotechnology

the centrifugal separation of biomass of 80um sized cells of density 1.04kgm^-3 was carried out in a tubular centrifuge having a diameter of 15cm and rotating at 1200 rev/min. calculate the residence time if distance between the liquid surface and the axis of rotation was 0.8cm, the liquid viscosity were 1.0kgm^-3 and 0.013 gcm^-ls-1respectively. 

TLS Online TPP Program

#Question id: 1987

#Section 2: General Biology

A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to

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