Practice Questions

TLS Online TPP Program

#Question id: 12015

The oxygen consumption of marine crabs acclimated to either 10°C or 20°C was measured at environmental temperatures of 5°C to 25°C to produce the following graph.
Which of the following can be correctly concluded from the information in the graph?

#Unit 10. Ecological Principles

Acclimation temperature does not affect the rate of oxygen consumption.
Crabs have higher rates of oxygen consumption when measured at 10°C than when measured at 20°C.
Oxygen consumption is higher in the 10°C-acclimated crabs than in the 20°C-acclimated crabs at each test temperature.
Acclimation to a high temperature induces a high rate of oxygen consumption at all test temperatures.

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TLS Online TPP Program

#Question id: 5708

#Unit 8. Inheritance Biology

If non-disjunction occurs in meiosis I, which of the following scenario is most likely to occur?

TLS Online TPP Program

#Question id: 18598

#Unit 11. Evolution and Behavior

First forest plants appeared in which geological period time scale?

TLS Online TPP Program

#Question id: 27929

#Unit 11. Evolution and Behavior

Which of the following phenomenon could be used to directly examine genetic variation?

c) DNA sequencing

TLS Online TPP Program

#Question id: 3347

#Unit 11. Evolution and Behavior

Which one of the following statements is NOT TRUE about homologous organ?

TLS Online TPP Program

#Question id: 18908

#Unit 13. Methods in Biology

pBR 322 has/have which of the following selection marker(s)?