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TLS Online TPP Program

#Question id: 8843

The lowest level of biological organization that can perform all the activities required for life is the

#Section 2: Evolution
  1. organelle–for example, a chloroplast.
  2. cell–for example, a skin cell.
  3. tissue–for example, nervous tissue.
  4. organ system–for example, the reproductive system.
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TLS Online TPP Program

#Question id: 4632

#Section 2: Evolution

Which of these conditions should completely prevent the occurrence of natural selection in a population over time?
TLS Online TPP Program

#Question id: 8923

#Section 2: Evolution

Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?
TLS Online TPP Program

#Question id: 10670

#Section 2: Evolution

To estimate the number of foxes in an area, a researcher conducted a mark-recapture survey. In the first survey, he caught and marked N number of foxes. In his second survey a week later, he caught 120 foxes of which 90 were unmarked (recaptures). If you are told that the actual number of foxes in this area is 400, what is value of N in this area?
TLS Online TPP Program

#Question id: 16858

#General Aptitude

She …….. (leave) for Jammu yesterday.
TLS Online TPP Program

#Question id: 4569

#Section 2: Evolution

Which of the following must exist in a population before natural selection can act upon that population?