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: 10664

#Section 2: Evolution

dN/dt = rN (K-N/K ) The logistic equation above is used to describe the rate of change of a population, N, with time, t, Where r is the intrinsic rate of increase and K is the carrying capacity. What is value of per capita growth rate when population size is 200 individuals? ( K= 400, r =.25)

TLS Online TPP Program

#Question id: 10665

#Section 2: Evolution

Complete the following hypothetical life table of a species. 


Initial population size is 1000. What will be population size in next generation?


TLS Online TPP Program

#Question id: 10666

#Section 2: Evolution

In a experimental invertebrate population the birth rate is 1200 per 1000 and death rate is 300 per 1000 per generation. Initial population size is 10000. What is value of NET reproductive rate?

TLS Online TPP Program

#Question id: 10667

#Section 2: Evolution

Which of the following is correct statement?

A) The average number of offspring that female producing during life time is called NET reproductive rate

B) The number of birth minus the number of death per generation time called called per capita growth rate

C) The average number of female offspring that female producing during life time is called NET reproductive rate

D) The average number of offspring that breeding male and female producing during life time is called NET reproductive rate

TLS Online TPP Program

#Question id: 10668

#Section 2: Evolution

Following table was shown life table where (S(x)= Live Individual , b(x) = Age specific fertility rate , g(x)= Death rate. What is NET reproductive rate?


               

TLS Online TPP Program

#Question id: 10669

#Section 2: Evolution

The three graphs (A, B, C) show population growth (N) patterns in relation to N or time (t)


Which of the following above graph showing exponential growth?