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Human Health and Disease · Question 96

AIPMT 2001MCQEasy📈 Topic in 50% papers+4−1
1

Which fish selectively feed on larva of mosquito?

  1. Clarias
  2. Rohu
  3. Exocoetus
  4. Gambusia

Answer

(4) Gambusia

Solution

As per NCERT, malaria and other mosquito-borne diseases can be controlled by introducing fishes like Gambusia in ponds, which feed on mosquito larvae.

⇒ Gambusia (mosquito fish) is therefore used as a biological control agent of mosquitoes.

∵ Clarias (catfish) and Rohu are food fishes, and Exocoetus is the flying fish; they are not larvivorous control agents.

Answer: (4)

Out of syllabusAIPMT 2001

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2

Which is showing accurate pairing?

  1. Gonorrhoea - Leishmania donovani
  2. Syphilis - Treponema pallidum
  3. Typhoid - Mycobacterium leprae
  4. AIDS - Bacillus conjugalis
AIPMT 2000
3

Saline solution is given to patients of Cholera because

  1. NaCl produces energy
  2. Na+ prevents water loss from body
  3. NaCl is antibacterial
  4. NaCl functions as regulatory material
AIPMT 2000

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