TLS Online TPP Program

#Question id: 9235


Agricultural lands frequently require nutrient augmentation because ________.

#9. Diversity of Life Forms
  1. nitrogen-fixing bacteria are not as plentiful in agricultural soils because of the use of pesticides

  2. the nutrients that become the biomass of plants are not cycled back to the soil on lands where they are harvested

  3. land that is available for agriculture tends to be nutrient-poor
  4. cultivation of agricultural land inhibits the decomposition of organic matter
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TLS Online TPP Program

#Question id: 18014

#13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get Atmost three correct answers

TLS Online TPP Program

#Question id: 18072

#11. Evolution and Behavior

First invertebrates insects fossil appeared in which of the following geological ages?
a) Mesozoic b) Jurassic
c) Paleozoic d) Devonian
e) Permian f) Pennsylvanian
Which of the following combinations give the best answer?

TLS Online TPP Program

#Question id: 18073

#11. Evolution and Behavior

During which geological period was there an first definite evidence of land plants and algae dominant of many plants?

TLS Online TPP Program

#Question id: 18087

#13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get
Exactly three correct answers

TLS Online TPP Program

#Question id: 18223

#11. Evolution and Behavior

The origin of indirect evidence of life, no recognizable fossils except bacteria (microfossils) was during which geological eras?

TLS Online TPP Program

#Question id: 18224

#11. Evolution and Behavior

Proterozoic era characterized by___
a) Origin of life
b) Fossils of blue green algae
c) Most invertebrate evolved
d) First gymnosperm
e) Abundance of marine algae