TLS Online TPP Program

#Question id: 10681


Which of the following is not condition for commensalism?


#Section 2: Evolution
  1. Orchids grow on fork of tropical tree as a epiphyte
  2. Hermit crab use snail shell for their protection
  3.  Some plant associate with unpalatable plant for their protection with herbivore
  4. Many deep sea fish harbour bioluminescent bacteria in specialised organ
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TLS Online TPP Program

#Question id: 10621

#Section 2: Evolution

One life history trait that is not characteristic of very small sized organisms is

TLS Online TPP Program

#Question id: 10622

#Section 2: Evolution

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

#Section 2: Evolution

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

#Section 2: Evolution

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

#Section 2: Evolution

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

#Section 2: Evolution

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?