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TLS Online TPP Program

#Question id: 11406

Which of the following is true for a critically endangered species?

#Unit 10. Ecological Principles
  1. Reduction in population size is greater than 90%; estimated extinction risk at least 80% in 10 years; area of occupancy less than 10 km^2 generations
  2. Reduction in population size is greater than 90%; estimated extinction risk at least 50% in 10 years; area of occupancy less than 100 km^2 generations
  3. Reduction in population size is greater than 90%; estimated extinction risk at least 50% in 10 years; extent of occurrence less than 10 km^2 generations
  4. Reduction in population size is greater than 90%; estimated extinction risk at least 50% in 10 years; area of occupancy less than 10 km^2 g 
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TLS Online TPP Program

#Question id: 12740

#Unit 13. Methods in Biology

Choose the incorrect statement for Agglutination.
TLS Online TPP Program

#Question id: 2294

#Unit 2. Cellular Organization

________ use such high magnification that even atoms are discernable.
TLS Online TPP Program

#Question id: 3264

#Unit 11. Evolution and Behavior

Which of the following is (are) true of natural selection?
TLS Online TPP Program

#Question id: 16122

#Unit 7. System Physiology – Animal

Fever is an abnormal elevation of body temperature. Following statements are regarding to the cellular mechanism of fever.
A. Pyrogens produce fever by increasing the hypothalamic set-point temperature.
B. the mechanism of pyrogen action is increased production of interleukin-1 (IL-1) in phagocytic cells.
C. IL-1 then acts on the anterior hypothalamus to increase local production of prostaglandins, which increase the set-point temperature.
D. IL-1 then acts on the posterior hypothalamus to increase local production of prostaglandins, which increase the set-point temperature.
E. IL-1 then acts on the posterior hypothalamus to increase local production of prostaglandins, which decrease the set-point temperature.
Which of the following combination is correct?
TLS Online TPP Program

#Question id: 5707

#Unit 8. Inheritance Biology

Which of the following statement is correct for human is heterozygous for inversion?