Home
Class 12
BIOLOGY
Black water fever is caused due to (a) N...

Black water fever is caused due to
(a) Nitrate pollution in water
(b) Infection of Leishrmiania donovani
(c) Infection by sporozoan Plasmodium
(d) Infection of Yersinia pestis

A

Nitrate pollution in water

B

Infection of Leishmania donovani

C

Infection by sporozoan Plasmodium

D

Infection of Yersinia pestis

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEST 5

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|625 Videos
  • TEST 7

    AAKASH INSTITUTE ENGLISH|Exercise Exercise|177 Videos

Similar Questions

Explore conceptually related problems

Blue baby syndrome is caused due to excess : (a) CO (b) fluorine (c) Nitrate (d) Mercury

High biological oxygen demand in a water body means ………. (a) water is not polluted (b) water is less polluted (c) water body contains lots of life forms and organic pollutant. (d) None of the above

Xylem channels of the rootlets maintain a low water potential due to (a) Maintenance of high salt content (b) Presence of negative pressure or water tension (c) Both a and b (d) Occurrence of positive pressure

Name the phenomenon which causes the following changes: (a) Formation of water vapour from water. (b) Disappearance of camphor when exposed to air. (c ) Conversion of ice into water. (d) Conversion of water into steam.

The root cap is not used in absorption of water due to (a) Presence of roots hairs (b) Absence of root hairs (c) Its presence in elongation zone (d) None of the above

How do organic substances cause water pollution ? Explain the term C.O.D. and B.O.D.

Industrial melanism in peppered moth occurred due to natural selection . The significant reason for this is (a) the light coloured white moths could not be noticed by predatory birds after deposition of soots on bark of trees (b) mutation in light coloured moths due to increase in industrial pollution (c) advantageous selection of black moths on tree in polluted areas, resulting in increase population of black moths (d) advantageous selection of white moths on tree in polluted areas, resulting in increased population of white moths

The high density of water compared to ice is due to (a)hydrogen bonding interactions (b)dipole -dipole interactions (c)dipole - induced dipole interactions (d)induced dipole -induced dipole interactions

Larva of Bonellia settling near probocis of adult female develops into male due to (a) Substances secreted by proboscis (b) Electrolytes in water (c) Oxygen in environment (d) Carbon dioxide in environment

A colourless (A) when place into water a heavy white turbidly of (B) solid (A) gives a close solution in conesolution in cone HCI when HCI solution is added to clear solution water ,(B) forms again (B) dissolves in dilute HCI . When H_(2)S is passed through a sespension of (A) or (B), a black precipitate (C ) forms , (C ) is insolves in yellow ammonium sulphide (NH_(4))_(2)S , cone H_(2)SO_(4) added to solid (A) liberates gas (D) gas (D) is water soluble and gives white precipitate with mercuric salts (E ) and not mercuric salt .The black precipitate (C ) dissolves in HNO_(3), (1,1) to give a solution to which H_(2)SO_(4) is added followed by addition of NH_(4)OH when a white precipitate (F) is formed (E ) gives a black ppt , (G) with solution of sodium stannite. Compound (C ) is also formed by the following reaction

AAKASH INSTITUTE ENGLISH-TEST 6-EXAMPLE
  1. Adenosine differs from a nucleotide as it lacks

    Text Solution

    |

  2. All of the following statements are true for genetic code, except

    Text Solution

    |

  3. Black water fever is caused due to (a) Nitrate pollution in water (b...

    Text Solution

    |

  4. Select the mismatch.

    Text Solution

    |

  5. Which of the following are the two key concepts of Darwinian theory of...

    Text Solution

    |

  6. Immunity which is not acquired after birth and is birth right of all i...

    Text Solution

    |

  7. Which amongst the following is the most recent ancestor of existing ma...

    Text Solution

    |

  8. Which of the following fossil is considered as missing link between re...

    Text Solution

    |

  9. Introduction of larvivorous fish in stagnant water can prevent the spr...

    Text Solution

    |

  10. The forelimbs of human, tiger, whale and bat represent

    Text Solution

    |

  11. Which of the following event of organic evolution was a turning point ...

    Text Solution

    |

  12. Presence of tooth buds during embryonic development of birds is an exa...

    Text Solution

    |

  13. Select the correct option w.r.t. increasing cranial capacity suggested...

    Text Solution

    |

  14. Cycads and dicotyledons arose from common ancestor called 'A' that exi...

    Text Solution

    |

  15. Find the incorrect match.

    Text Solution

    |

  16. Populations of peppered moth Biston betularia of England underwent dir...

    Text Solution

    |

  17. Which type of natural selection is depicted in the diagram given below...

    Text Solution

    |

  18. Gene pool of a large population tends to remain stable i.e. in genetic...

    Text Solution

    |

  19. If the frequency of an allele 'a' in a given large unevolving populati...

    Text Solution

    |

  20. Complete the analogy Anteater : Lemur :: Numbat :Choose the correct o...

    Text Solution

    |