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TLS Online TPP Program

#Question id: 1978

In which of the following situations will helper T cells be activated?

#Section 2: General Biology

  1. when an antigen is displayed by a dendritic cell

  2. when a cytotoxic T cell releases cytokines

  3. when natural killer (NK) cells come in contact with a tumor cell

  4. in the bone marrow during the self-tolerance test

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TLS Online TPP Program

#Question id: 10805

#Section 6: Plant, Animal and Microbial Biotechnology

Breakdown of cyanogenic glycosides in plants is a two-step enzymatic process, the enzymes necessary to hydrolyze the sugar and liberate HCN is
TLS Online TPP Program

#Question id: 15554

#Section 1: Engineering Mathematics

Only one of the real roots of f(x) = x6 - x - 1 lies in the interval 1 s x s 2 and bisection method is used to find its value. For achieving an accuracy of 0.001, the required minimum number of iterations is  
TLS Online TPP Program

#Question id: 14846

#Section 1: Engineering Mathematics

Let A and B be events with P(A) =1/2 P(B) = 1/3 and   Then P(A/B) is
TLS Online TPP Program

#Question id: 15677

#Section 6: Plant, Animal and Microbial Biotechnology

Ultraviolet (UV) radiation around 260 nm is quite lethal but does not penetrate
1. glass 
2. dirt films 
3. Water
March the correct answer
TLS Online TPP Program

#Question id: 9276

#Section 2: General Biology

The carotenoid b-carotene, whose structure and absorption spectrum at,