TLS Online TPP Program

#Question id: 144


The pKaʹs of arginineʹs α-Carboxyl group, α-Amino group and side chain are 1.8, 9.0 and 12.5, respectively. Calculate the isoelectric point.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. 7.8  

  2. 7.2

  3. 10.8

  4. 5.4

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TLS Online TPP Program

#Question id: 10628

#Unit 10. Ecological Principles

Which of following statement is correct for above population?


TLS Online TPP Program

#Question id: 10629

#Unit 10. Ecological Principles

Following are density dependent factors

A- Food                            B- space

Which of the following animal and their most important density dependent limiting factor are correct?

TLS Online TPP Program

#Question id: 10630

#Unit 10. Ecological Principles

Following is relation between population size with various strategies of species, following is correct figure? 


TLS Online TPP Program

#Question id: 10631

#Unit 10. Ecological Principles

To estimate the number of foxes m an area, a researcher conducted a mark-recapture survey. In the fast survey, he caught and marked 90 foxes. In his second survey a week later, he caught 120 foxes of which 40 were marked (recaptures). If you are told that the actual number of foxes in this area is 400, which of the following is a plausible explanation for the anomaly in the researcher's data? 

TLS Online TPP Program

#Question id: 10632

#Unit 10. Ecological Principles

Three different population growth pattern related to population density are shown in figure

TLS Online TPP Program

#Question id: 10633

#Unit 10. Ecological Principles

Following some characteristic feature of r selected species

A. late maturity

B. Provision of parental care

C. High mortality during early stages of life

D. large clutch size

What is the above combination is correct?