TLS Online TPP Program

#Question id: 12327


Which  of  the  following  is  the  most  accepted hypothesis as  to  why  invasive  species  take  over  communities into which they have been introduced?

#Unit 10. Ecological Principles
  1. Invasive species are more aggressive than natives in competing for the limited resources of the environment.
  2. Invasive species are not held in check by the predators and agents of disease that have always been in place for the natives.
  3. Humans always select which species will outcompete the nuisance native species. 
  4. Invasive species have a higher reproductive potential than native species.
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TLS Online TPP Program

#Question id: 10681

#Unit 10. Ecological Principles

Which of the following is not condition for commensalism?


TLS Online TPP Program

#Question id: 10682

#Unit 10. Ecological Principles

if 30 individuals of species 2 take up the same amount of resources as 5 individual of species 1 then the per capita competitive effects on species 1 of species 2 is

TLS Online TPP Program

#Question id: 10683

#Unit 10. Ecological Principles

Which of the following interaction shown in figure

TLS Online TPP Program

#Question id: 10684

#Unit 10. Ecological Principles

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 10689

#Unit 10. Ecological Principles

Which of the following is correct statement?

A) Body size of parasitoid is always greater than host but parasite usually smaller than host

B) Predator immediately kill their prey however parasitoid never kill their host

C) Intrinsic rate of parasite is faster than host but intrinsic rate of predator is slower than prey

D) Body association time between parasite and host is more than time association between predator and prey

TLS Online TPP Program

#Question id: 10691

#Unit 10. Ecological Principles

Following some attributes of biological control agent of parasite

A) General adaptability to the environment.

B) High searching capacity for hosts.

C) K selected strategy

D) Low dispersal ability.

E) Minimal time lag effects in responding to changes in host numbers.

Following above attribute is not ideal for that biological agent?