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#Question id: 23527


Humans interfere with the natural phosphorus cycle by

#Aptitude
  1. Causing erosion of land
  2. Adding phosphate fertilizers to agricultural soils
  3. Dumping sewage into rivers and lakes
  4. All of the above

Answer:- Option(s): 4


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#Question id: 12751

#13. Methods in Biology

A DNA sample has a 260/280 ratio of 2. Which of the following treatments can be used to get a better purity of DNA sample?

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#Question id: 3672

#3. Fundamental Processes

During initiation of replication

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#Question id: 3879

#3. Fundamental Processes

Which of the following is not usually essential for the catalytic activity of ribozymes?

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#Question id: 11755

#7. System Physiology – Animal

Which of the following solutions when infused intravenously would result in an increase in extracellular fluid volume, a decrease in intracellular fluid volume, and an increase in total body water after osmotic equilibrium?

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#Question id: 11062

#7. System Physiology – Animal

The alveolar pressure of a normal 77-year-old woman is approximately 1 cm H2O during expiration. What is the alveolar pressure during inspiration (in cm H2O)?

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