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Plants absorb dissolved nitrates from soil and convert them into :

  • Free nitrogen
  • Urea
  • Proteins
  • Ammonia

Answer: Option A

Similar Questions :

1. Herbicides are used to control ?

  • Fungi
  • Nematodes
  • Weeds
  • Insects

Answer: Option C

2. Which of the following gases readily combines with the haemoglobin of the blood?

  • Carbon monoxide
  • Methene
  • Oxygen
  • Nitrogen dioxide

Answer: Option A

3. Pyorrhoea is a disease of the

  • nose
  • gums
  • heart
  • lungs

Answer: Option B

4. What is the name of largest fruit ?

  • Eucalyptus
  • Lodoicea
  • Orchid
  • Wolfia

Answer: Option B

Explanation:

Eucalyptus is Largest angiosperm tree.

Orchid is smallest seed.

Wolfia is Smallest flower.

5. What is scientific name of Mango ?

  • Bos indicus
  • Mangifera indica
  • Musca domestica
  • Oryza sativa

Answer: Option B

Explanation:

Bos indicus is scientific name of Cow.

Musca domestica is scientific name of Housefly.

Oryza sativa is scientific name of Rice.

Read more from - Biology Questions Answers
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