TLS Online TPP Program

#Question id: 1547


follicular dendritic cells (FDCs) secrete CXCL13 and its receptor, CXCR5, which is expressed on B cells, function of this interaction ?

#Unit 4. Cell Communication and Cell Signaling
  1. They are directed

  2. class switch recombination (CSR)

  3. somatic hypermutation (SHM)

  4. Improved affinity

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TLS Online TPP Program

#Question id: 10707

#Unit 10. Ecological Principles

Based on the intermediate disturbance hypothesis, a community’s species diversity is increased by

TLS Online TPP Program

#Question id: 10708

#Unit 10. Ecological Principles

Which of the following statements is a likely explanation for why invasive species take over communities into which they have been introduced?

TLS Online TPP Program

#Question id: 10709

#Unit 10. Ecological Principles

Researcher study the diversity of 2 communities, following is relative abundance of each species at different community? ( ln .5 = -0.69  , ln .25= -1.38  , ln .12= -2.12)


What is value of Shannon index of community A and community B respectively?

TLS Online TPP Program

#Question id: 10710

#Unit 10. Ecological Principles

Researcher study the diversity of 3 communities, 4 species was recorded from all community. Presence (+) and absence (-) of species are given 


What is similarity coefficient between A & B, B & C, and A & C RESPECTIVELY?

TLS Online TPP Program

#Question id: 10711

#Unit 10. Ecological Principles

Following table shows the number of individuals of five tree species in a community


Based on the above, the Simpson’s index and Shannon weaver of the community will be respectively?

TLS Online TPP Program

#Question id: 10712

#Unit 10. Ecological Principles

Researcher study the diversity of 4 communities, following is relative abundance of each species at different community? ( ln .5 = -0.69  , ln .25= -1.38, ln .12= -2.12)

Which of the following is decreasing order of their Shannon weaver diversity index of community?