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Question Detail

Plants absorb dissolved nitrates from soil and convert them into :

  • Free nitrogen
  • Urea
  • Proteins
  • Ammonia

Answer: Option A

Similar Questions :

1. Which of the following tests helps in diagnosis of cancer ?

  • Urine test
  • Neuro Test
  • Blood test
  • Biopsy test

Answer: Option D

2. Study of cell is :

  • Biometrics
  • Bacteriology
  • Cryobiology
  • Cytology

Answer: Option D

Explanation:

Biometrics - Study of Biological problems

Bacteriology - Study of Bacteria

Cryobiology - Study of effect of low temperature on organisms.

3. Who invented Polio Vaccine ?

  • Harrison and Sympson
  • Johan E. Salk
  • Luvenhauk - Leeuwenhock
  • Karl Landsteiner

Answer: Option B

Explanation:

Harrison and Sympson invented chloroform,

Luvenhauk - Leeuwenhock invented Bacteria,

Karl Landsteiner invented Blood Transfer.

4. Pyorrhoea is a disease of the

  • nose
  • gums
  • heart
  • lungs

Answer: Option B

5. Among the biotic components of the ecosystem, the producer system is ?

  • Sea
  • Rivers
  • Green Plants
  • Animals

Answer: Option C

Read more from - Biology Questions Answers
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