TLS Online TPP Program

#Question id: 11397


Which statement about the domain Archaea is false?

#Unit 9. Diversity of Life Forms
  1. Genetic prospecting has recently revealed the existence of many previously unknown archean species.
  2. Some archaeans can reduce CO2 to methane.
  3. The genomes of archaeans are unique, containing no genes that originated within bacteria.
  4. Some archaeans can inhabit solutions that are nearly 30% salt
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TLS Online TPP Program

#Question id: 10232

#Unit 10. Ecological Principles

Which of the following is incorrect statement?

TLS Online TPP Program

#Question id: 10233

#Unit 10. Ecological Principles

Which of the following statements is the most appropriate define character displacement?

TLS Online TPP Program

#Question id: 10234

#Unit 10. Ecological Principles

You observed the two species of barnacles, species 1 and species 2, occupy upper and lower strata of intertidal rocks, respectively. Only when species 1 was removed by you from the upper strata, species 2 could occupy both the upper and lower strata. From the choice given below what would be your inference from these observations.

TLS Online TPP Program

#Question id: 10235

#Unit 10. Ecological Principles

Following some observation is correct about species of P, Q and R

A) Species P and R have generalized nich while Q has specialized nich

B) Species P and R have specialized nich while Q has generalized nich

C) Species P and R are more prone to extinct than Q species

D) Species Q is more prone to extinct than either P or R species


TLS Online TPP Program

#Question id: 10236

#Unit 10. Ecological Principles

Following figure represent fundamental and realized nich of species P and Q in gradient of temperature along sea shore. which of the following statement are correct? 


A) Fundamental niche of species P is greater than its realized nich

 B) Fundamental niche of species Q is greater than its realized nich

 C) Species Q is strong competitor than species P

 D) There is no effect on spaced occupied by Q in the presence or absence of species P

TLS Online TPP Program

#Question id: 10237

#Unit 10. Ecological Principles

Which of the following is the most logical conclusion about the distribution of the two species of barnacle, Chthamalus and Balanus?