TLS Online TPP Program

#Question id: 18991


Which of the following is not true about High pressure liquid chromatography (HPLC)? 

#Unit 14. Methods in Biology
  1. It requires high pressure for the separation of the specious 
  2. There is no need to vaporise the samples
  3. It is performed in columns
  4. It has high sensitivity
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TLS Online TPP Program

#Question id: 10622

#Unit 10. Ecological Principles

For a species having logistic growth, if K = 4000 and r = 0.25, the maximum growth rate will be

TLS Online TPP Program

#Question id: 10623

#Unit 10. Ecological Principles

What is the population growth per unit of time when r = 0.50, N = 100 and K = 1000. What is value of per capita growth rate when population growing at maximum rate?

TLS Online TPP Program

#Question id: 10624

#Unit 10. Ecological Principles

Limited resources cause tradeoff between investment in reproduction and survival. There is two Animal species with similar size present at same habitat but different their life history as a following. 

A Species   -   Later age at first reproduction

B Species –    Large clutch size and low survival of offspring and adult

There is above species should be

TLS Online TPP Program

#Question id: 10625

#Unit 10. Ecological Principles

Find out density of three different fish population by mark recapture method? Following is a density of capture and recapture fish? 


Which of the decrease order of their relative abundance? 

TLS Online TPP Program

#Question id: 10626

#Unit 10. Ecological Principles

Following is a hypothetical life table of species.


Following some statement is given

A- Proportional of survive is constant over different age group

B- Greater mortality in young age

C. Follow type II survivorship curve

D. Follow type III survivorship curve

Which of the following above statement is correct?

TLS Online TPP Program

#Question id: 10627

#Unit 10. Ecological Principles

Following graph represent mortality rate of population of species A, B and C with their respective Age


There are following organism are correct