Home
Class 12
BIOLOGY
[A] : Aspergillus is used as bioindicato...

[A] : Aspergillus is used as bioindicator .
[R] : Aspergillus niger is sensitive to some trace elements .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • EVOLUTION

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|330 Videos
  • Genetics

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|123 Videos

Similar Questions

Explore conceptually related problems

Mention True or False: Aspergillus is useful in the preparation of roquefort cheese.

Mention some important uses of actinoid elements.

[A] : Some of the Sea kelps are used as fertilizers . [R] : They are important source of minerals .

If A is set of different triangles in the plane and B is set of all positive real numbers. A relation R is defined from set A to set B such that every element of set A is associated with some number in set B which is measure of area of triangle. Is this relation as function?

[A]: Plasmids are small accessory rings of DNA found in some bacteria that carry genes. [R]: Plasmids that are used as a vector have been removed from bacteria and have had a foreign gene inserted into them

Which one is used for preparation of bread? 1. Lactobacillus 2. Streptobacillus 3. Aspergillus 4. S. cerevisiae

A trace element essential for plant growth and radioactive isotope which is used in cancer therapy is known as

(a) If n(A) = 6 and n(AxxB)=42 then find n(B) (b) If some of the elements of A xx B are (x,p),(p,q), (r,s) . Then find the minimum value of n(A xx B) .

TRUEMAN BIOLOGY-Fungi -ASSERTION AND REASON
  1. [A] : Heterotrophs may be free living or symbiotic . [R] : They from...

    Text Solution

    |

  2. [A] : Rusts and smuts are club fungi that parasitize cereal crops . ...

    Text Solution

    |

  3. Assertion : The fungi are widespread in distribution and they even liv...

    Text Solution

    |

  4. [A] : Symbiosis is also furnished by mycorrhiza . [R] : In Mycorrhiz...

    Text Solution

    |

  5. [A] : Phytoalexins are formed as a result of fusion between auxins and...

    Text Solution

    |

  6. [A] : Zygospore fungi produce spores within sporangia . [R] : During...

    Text Solution

    |

  7. [A] : Club fungi reproduce sexually . [R] : In club fungi , dikaryot...

    Text Solution

    |

  8. [A] : The sterile portion of sporangium in Mucor is called columella ....

    Text Solution

    |

  9. [A] : Fungi are thallophyta . [R] : Cell wall of fungi is made up of...

    Text Solution

    |

  10. [A] : Fungi are either saprobes or parasitic . [R] : Fungi posses ha...

    Text Solution

    |

  11. [A] : Aspergillus is used as bioindicator . [R] : Aspergillus niger ...

    Text Solution

    |

  12. [A] : Rhizopus contains two types of hyphae . [R] : The unbranched h...

    Text Solution

    |

  13. [A] : Puccinia graminis is autoecious . [R] : It complete its life c...

    Text Solution

    |

  14. [A] : Schizosaccharomyces is also called the fission yeast . [R] : S...

    Text Solution

    |

  15. [A] : Ascomycetes and basidiomycetes are septate fungi . [R] : The h...

    Text Solution

    |

  16. [A] : Myxomycetes are not true fungi . [R] : Myxomycetes possess cha...

    Text Solution

    |

  17. [A] : Aflatoxins are produced by fungus . [R] : Aflatoxins are carc...

    Text Solution

    |

  18. [A] : Amanita is called toadstools . [R] : Amanita is a poisonous fu...

    Text Solution

    |

  19. [A] : Yeast are used in baking industry . [R] : CO(2) produced durin...

    Text Solution

    |

  20. [A] : Foliose lichens show similarity with dicot leaves [R] : They b...

    Text Solution

    |