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TLS Online TPP Program

#Question id: 12600

Ecosystems are

#Unit 10. Ecological Principles
  1. Processors of energy and transformers of matter.  
  2. Processors of matter and transformers of energy.
  3. Processors of matter and energy. 
  4. Transformers of matter but not of energy.
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TLS Online TPP Program

#Question id: 26540

#Unit 3. Fundamental Processes

Which of the following factor are absolutely required to melt DNA to allow polymerase movement
TLS Online TPP Program

#Question id: 32267

#Unit 2. Cellular Organization

Which of the following transport step is not performed by coated vesicles? 
TLS Online TPP Program

#Question id: 13141

#Unit 10. Ecological Principles

Five similar populations of a herbaceous annual plant are monitored for three years; then, the numbers of individuals in populations I-IV are increased by an experimenter. Subsequent changes in the sizes of all the populations are shown in the graph below.

If size distributions of individuals do not vary among these populations, which of the following relationships best illustrates the occurrence of population regulation?
TLS Online TPP Program

#Question id: 7595

#Unit 1. Molecules and their Interaction Relevant to Biology

A man travels 600 km by train at 80 km/hr , 800 km by ship at 40 km/hr , 500 km by aeroplane at 400 km/hr and 100 km by car at 50 km/hr . What is the average speed for the entire distance ?
TLS Online TPP Program

#Question id: 5758

#Unit 8. Inheritance Biology

Consider a species with a diploid (2n) number of 28 chromosomes. How many chromosomes would be found in a monoploid body cell?