Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 4426
TLS Online TPP Program

#Question id: 4639

If the HMS Beagle had completely bypassed the Galapagos Islands, Darwin would have had a much poorer understanding of the

#Unit 11. Evolution and Behavior

  1. relative stability of a well-adapted populationʹs numbers over many generations.

  2. ability of populations to undergo modification as they adapt to a particular environment.

  3. tendency of organisms to produce the exact number of offspring that the environment can support.

  4. unlimited resources that support population growth in most natural environments.

More Questions
TLS Online TPP Program

#Question id: 12568

#Unit 10. Ecological Principles

Which of the following would a landscape ecologist consider in designing a nature reserve? 
TLS Online TPP Program

#Question id: 19525

#Unit 12. Applied Biology

CryI proteins are insecticidal to 
TLS Online TPP Program

#Question id: 32718

#Unit 1. Molecules and their Interaction Relevant to Biology

When enzyme solutions are heated, there is a progressive loss of catalytic activity over time due to denaturation of the enzyme. A solution of the enzyme hexokinase incubated at 45oC lost 50% of its activity in 12 min, but when incubated at 45oC in the presence of a very large concentration of one of its substrates, it lost only 3% of its activity in 12 min. What is correct explanation
TLS Online TPP Program

#Question id: 3898

#Unit 3. Fundamental Processes

Which one of the following classes is expressed in the unfertilized egg and is involved in directing the spatial organization of the Drosophila embryo early in development?
TLS Online TPP Program

#Question id: 2799

#Unit 2. Cellular Organization

There are five major types of histones in eukaryotic cells. One of these is not part of the structure of nucleosomes and is thought to participate in forming the 30-nm condensed chromatin fiber. Which histone is this?