Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 14917
TLS Online TPP Program

#Question id: 11501

According to the endosymbiotic theory of the origin of eukaryotic cells, how did mitochondria originate?

#Section 2: Evolution
  1. from infoldings of the plasma membrane, coupled with mutations of genes for proteins in energy-transfer reactions
  2. from engulfed, originally free-living prokaryotes
  3. by secondary endosymbiosis
  4. from the nuclear envelope folding outward and forming mitochondrial membranes
More Questions
TLS Online TPP Program

#Question id: 9205

#Section 2: Evolution

Which of the following terms includes all of the others?
TLS Online TPP Program

#Question id: 11914

#Section 1: Ecology

Alder trees, which harbour nitrogen-fixing bacteria in their roots, provide nitrogen to soils developing on sandbars rivers, this is an example of,
TLS Online TPP Program

#Question id: 10876

#Section 1: Ecology

The result of a situation in which  is less than kl is 
TLS Online TPP Program

#Question id: 10586

#Section 1: Ecology

Which of the following factors may not change carrying capacity over time?
TLS Online TPP Program

#Question id: 10169

#Section 5: Applied Ecology & Evolution

Which of the following is not the effect of C3 and C4 cycle in hot and dry climates ?