Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 9970
TLS Online TPP Program

#Question id: 13187

The following figure is a model of seedling establishment as a function of distance from a parent tree. Initial seed density measures the number of seeds falling to the ground. Seed survivorship measures the proportion of seeds that survive to the adult stage at each distance


Which of the following factors is most likely to generate the seed density curve shown? 

#Unit 10. Ecological Principles
  1. There are no effective seed dispersers of this tree species.
  2. Most seeds fall directly under the parent tree, but some are dispersed away from it. 
  3. The seeds are randomly dispersed by wind.

  4. Seed predation is lowest under the parent tree.

More Questions
TLS Online TPP Program

#Question id: 10911

#Unit 6. System Physiology – Plant

Researchers have investigated bidirectional transport by applying two different radiotracers to two source leaves, one above the other. Researcher wanted to see how bidirectional transport happens in sieve elements. Which one of the following is INCORRECT interpretation for bidirectional transport?
TLS Online TPP Program

#Question id: 26868

#Unit 10. Ecological Principles

Primary production is constrained by the most limiting factor
 Choose the correct nutrient which adds on to the A, B and C and represent which one is the most limiting factor?
TLS Online TPP Program

#Question id: 26816

#Unit 8. Inheritance Biology

Deletion causing lethality, if the deletion in 
TLS Online TPP Program

#Question id: 3712

#Unit 3. Fundamental Processes

Approximately ________ base pairs are added per second during DNA in vivo replication in E.coli.
TLS Online TPP Program

#Question id: 31264

#Unit 4. Cell Communication and Cell Signaling

Which of the following reason is responsible for origin of mutation in tumor suppressor genes?