Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 9792
TLS Online TPP Program

#Question id: 13010

Scientific study of the population cycles of the snowshoe hare and its predator, the lynx, has revealed that

#Unit 10. Ecological Principles
  1. The prey population is controlled by predators alone.
  2. Hares and lynx are so mutually dependent that each species cannot survive without the other. 
  3. Multiple biotic and abiotic factors contribute to the cycling of hare and lynx populations.
  4. Both hare and lynx populations are regulated mainly by abiotic factors.
More Questions
TLS Online TPP Program

#Question id: 21381

#Unit 12. Applied Biology

Glyphosate an herbicide molecules block which enzyme that will not allow to run the shikimic acid pathway and there is no primary metabolite synthesis takes place and plant will be die off?
TLS Online TPP Program

#Question id: 24250

#Unit 2. Cellular Organization

Core histone are recognised by the presence of
TLS Online TPP Program

#Question id: 1006

#Unit 1. Molecules and their Interaction Relevant to Biology

Four of the ten enzymes required for the biosynthesis of IMP are listed below. In which order do the reactions these enzymes catalyze occur during the synthesis of IMP?

1. IMP cyclohydrolase

2. GAR synthase

3. glutamine-PRPP amidotransferase

4. AIR carboxylase
TLS Online TPP Program

#Question id: 4391

#Unit 3. Fundamental Processes

What family of proteins plays an essential role in the repression of genes that help to direct the formation of specific tissues and organs in a developing embryo?
TLS Online TPP Program

#Question id: 7121

#Unit 5. Developmental Biology

How do the endodermal cells of the sea urchin embryo carry out gut formation during gastrulation?