Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 45913
TLS Online TPP Program

#Question id: 9159

Which of the following investigations would shed the most light on the future distribution of organisms in temperate regions that are faced with climate change?

#SCPH06 I Botany

  1. Remove, to the mineral soil, all of the organisms from an experimental plot, and monitor the colonization of the area over time in terms of both species diversity and abundance.

  2. Look at the climatic changes that occurred since the last ice age and how species redistributed as glaciers melted, then make predictions on future distribution in species based on past trends.

  3. Compare and contrast the flora and fauna of warm/cold/dry/wet climates to shed light on how they evolved to be suited to their present-day environment.

  4. Quantify the impact of man's activities on present-day populations of threatened and endangered species to assess the rate of extirpation and extinction.
More Questions
TLS Online TPP Program

#Question id: 2642

#SCPH01 Biochemistry

We know that lactose has a positive impact on the activity of the lac operon. Tryptophan’s presence has a ________________
TLS Online TPP Program

#Question id: 564

#I Life Science/ Life Sciences Group – I-V

A good transition-state analog:
TLS Online TPP Program

#Question id: 12908

#SCPH06 I Botany

Which statement is incorrect about CRISPR?
TLS Online TPP Program

#Question id: 702

#SCPH05 I Biotechnology

Proteins often have regions that show specific, coherent patterns of folding or function.  These regions are called:
TLS Online TPP Program

#Question id: 1102

#SCPH01 Biochemistry

Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of a person who has recently consumed coffee would have increased levels of which of the following molecules?