Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 15640
TLS Online TPP Program

#Question id: 10582

Which of the following is incorrect?

#Section 1: Ecology
  1. Communities with intermediate levels of disturbances often have more species than communities with very low or very high levels of disturbances
  2. K selected species are more prone to extinct than r selected species
  3. iemelparity species may be continuous breeder
  4. Production efficiency of K selected species is higher than r selected species
More Questions
TLS Online TPP Program

#Question id: 10700

#Section 1: Ecology

Which of the following most important conclusion from the graph?
TLS Online TPP Program

#Question id: 8917

#Section 2: Evolution

The Hox genes came to regulate each of the following in what sequence, from earliest to most recent?
1. identity and position of paired appendages in protostome embryos
2. formation of water channels in sponges
3. anterior-posterior orientation of segments in protostome embryos
4. positioning of tentacles in cnidarians
5. anterior-posterior orientation in vertebrate embryos
TLS Online TPP Program

#Question id: 4948

#Section 2: Evolution

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 
TLS Online TPP Program

#Question id: 3281

#Section 2: Evolution

One population X has 750 AA, 0 Aa, and 250 aa; the other Y has 500 AA, 500 Aa, and 0 aa. After one generation of random mating, the genotype frequencies X and Y respectively if the population size remains 1,000.
TLS Online TPP Program

#Question id: 3471

#Section 2: Evolution

In a altruistic behavior occur between nephew and uncle, which of the following value of cost of donor and benefit of recipient respectively allowed to altruism?