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TLS Online TPP Program

#Question id: 4713

A farmer uses triazine herbicide to control pigweed in his field. For the first few years, the triazine works well and almost all the pigweed dies; but after several years, the farmer sees more and more pigweed. Which of these statements explains why the pigweed reappeared?

#Unit 11. Evolution and Behavior

  1. The herbicide company lost its triazine formula and started selling poor-quality triazine.

  2. Natural selection caused the pigweed to mutate, creating a new triazine-resistant species.

  3. Triazine-resistant pigweed has less-efficient photosynthesis metabolism.

  4. Triazine-resistant weeds were more likely to survive and reproduce.

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TLS Online TPP Program

#Question id: 12301

#Unit 7. System Physiology – Animal

Which of the following would likely lead to hyponatremia?
TLS Online TPP Program

#Question id: 24612

#Unit 2. Cellular Organization

Pseudogenes generated by which of the following enzyme
TLS Online TPP Program

#Question id: 19204

#Unit 12. Applied Biology

Example of acoustic wave biosensor could be
TLS Online TPP Program

#Question id: 12321

#Unit 10. Ecological Principles

Based on the intermediate disturbance hypothesis, a community's species diversity is
TLS Online TPP Program

#Question id: 12745

#Unit 13. Methods in Biology

Choose the correct statement about Serotyping.