Home
Class 11
BIOLOGY
Assertion (A) Periplaneta americana is n...

Assertion (A) Periplaneta americana is nocturnal, omnivorous, household pest.
Reason (R) It is because it acts as scavenger.

A

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B

If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.

C

If Assertion is true, but Reason is false.

D

If both Assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STRUCTURAL ORGANISATION IN ANIMALS

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES|27 Videos

  • RESPIRATION IN PLANTS

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES|12 Videos

  • THE LIVING WORLD

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES|24 Videos

Similar Questions

Explore conceptually related problems

Assertion (A): chi-T graph for a diamagnetic material is a straight line parallel to T- axis Reason (R ): This is because susceptibility of a diamagnetic material is not affected by temperature

Assertion (A) : CO_2 is linear Reason (R) : C is not in sp- hybridised state .

Assertion : The AV node is also called as the pacemaker of the heart. Reasoning : It is because of the fact that the AV node determines the rate of heartbeat.

Assertion (A) Glycine must be taken through diet. Reason (R) It is an essential amino acid. (a)Assertion and reason both are correct statements and reason explains the assertion. (b)Both assertion and reason are wrong statements (c)Assertion is correct statement and reason is wrong statement. (d)Assertion is wrong statement and reason is correct statement.

Assertion (A) : Fe is protected from corrosing by connecting Mg metal with it. Reason (R) : Fe acts as cathode and Mg as anode which gradully disappears.

Assertion: Tetraethyl lead minimizes the knocking effect when mixed with petrol. Reason: Because tetraethyl lead acts as a -Ve catalyst.

Assertion: In Periplaneta, only superposition or overlappmg images are formed. Reason: Retinal pigment sheath remains contracted throughout the life.

Assertion (A) Copper sulphate can be stored in zinc vessel. Reason(R) Zinc is less reactive than copper. (a) Both assertion and reason are true and the reason is the correct explanation of assertion. (b) Both assertion and reason are true and reason is not the correct explanation of assertion. (c) Assertion is true but the reason is false. (d) Both assertion and reason are false.

Assertion (A) Receptors are crucial to body's communication process. Reason (R) Receptors are proteins. a.Assertion and reason both are correct statements but reason does not explain assertion. b.Assertion and reason both are correct and reason explains the assertion. c.Both assertion and reason are wrong statements. d.Assertion is correct statement reason is wrong statement.

Assertion : Ferromagnetic compound is more attracted in magnetic field. Reason : Because all electron are alligned in same direction.

CENGAGE BIOLOGY ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS-ARCHIVES
  1. Assertion (A) Periplaneta americana is nocturnal, omnivorous, househo...

    Text Solution

    |

  2. In which one of the following preparations are you likely to come acro...

    Text Solution

    |

  3. The kind of tissue that forms the supportive structure in our pinna (e...

    Text Solution

    |

  4. Cell junctions called tight , adhering and gap junctions are found in

    Text Solution

    |

  5. The epithelial tissue present on the inner surface of bronchioles and ...

    Text Solution

    |

  6. Which one of the following is correct pairing of a body part and the k...

    Text Solution

    |

  7. The kind of epithelium which forms inner walls of blood vessels is (a...

    Text Solution

    |

  8. The ciliated columnar epithelial cells in humans are known to occur in...

    Text Solution

    |

  9. Compared to those of humans, erythrocytes of Frog are (a) Nucleated a...

    Text Solution

    |

  10. Select the correct statement regarding the specific disorder of muscul...

    Text Solution

    |

  11. Select the correct statement from the ones given below with respect to...

    Text Solution

    |

  12. Given is the diagrammatic sketch of a certain type of connective tissu...

    Text Solution

    |

  13. Which one of the following paris of chemical substances, is correctly ...

    Text Solution

    |

  14. Supportive skeletal structures in the human external ears and nose tip...

    Text Solution

    |

  15. The four figures (A, B, C and D) given below represent four different ...

    Text Solution

    |

  16. The H-zone in the skeletal muscle fibre is dueto

    Text Solution

    |

  17. Choose the correctly matched pair (a) Inner lining of salivary ducts-...

    Text Solution

    |

  18. The guts of cow and buffalo possess

    Text Solution

    |

  19. Which type of tissue correctly matches with its location ?

    Text Solution

    |

  20. Earthworms have no skeleton but during burrowing, the anterior end bec...

    Text Solution

    |

  21. Which one of the following correctly describes the location of some bo...

    Text Solution

    |