Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 8780
TLS Online TPP Program

#Question id: 11998

Of the following examples of ecological effect leading to an evolutionary effect, which is most correct? 

#Unit 10. Ecological Principles
  1. When seeds are not plentiful ? trees produce more seeds.
  2. A  few  organisms of  a  larger  population  survive  a  drought  ?  these survivors then  emigrate  to  less  arid environments.
  3. A  few  individuals  with  denser fur  survive the  coldest  days  of  an  ice  age  ?  the  reproducing survivors all have long fur.
  4. Fish that swim the fastest in running water  catch the most prey and more easily escape predation.
More Questions
TLS Online TPP Program

#Question id: 9589

#Unit 6. System Physiology – Plant

The physical mechanism by which excitation energy is conveyed from the chlorophyll that absorbs the light to the reaction centre, By this mechanism the excitation energy is transferred from one molecule to another by a nonradioactive process, this mechanism is known as
TLS Online TPP Program

#Question id: 2251

#Unit 2. Cellular Organization

Differences between cotransport and active ion transport include
TLS Online TPP Program

#Question id: 10681

#Unit 10. Ecological Principles

Which of the following is not condition for commensalism?
TLS Online TPP Program

#Question id: 2448

#Unit 2. Cellular Organization

Axonemal dynein

a. may contain two or three head domains.

b. attaches to a B tubule through its base domain.

c. consists of heavy, intermediate and light chains.

d. is a (-) end-directed motor.            

e. is an ATPase.
TLS Online TPP Program

#Question id: 15956

#Unit 12. Applied Biology

Transplantation of foreign chloroplasts into crop plants with inefficient photosynthetic system applied by