Home
Class 11
BIOLOGY
Assertion: The pharyngeal gland of earth...

Assertion: The pharyngeal gland of earthworm includes chromophil cells, which secrete saliva.
Reason: Salivary amylase of earthworm is essential to digest carbohydrates.

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 : Pharyngeal nephridia play a role in the conservation of water in the earthworm. Reason : They help the earthworm in keeping the skin moist for cutaneous respiration.

Assertion: The sight, smell and presence of food in the oral cavity can stimulate secretion of saliva. Reason: About 70 per cent of the starch is hydrolyzed in oral cavity by salivary amylase.

Correct the following statements by deleting one of entries (given in bold). (a) Goblet cells are located in the intestinal mucosal epithelium and secrete chymotrypsin/mucus. (b) Fats are broken down into di-and monoglyceridea with the help of amylase/lipases. (c) Gastric glands of stomach mucosa have oxyntic cell/chief cells which secrete HCL. (d) Saliva contains enzymes that digest starch/protein

Assertion: Mucosal epithelium of gut has goblet cells which secrete mucus. Reason: The mucus in the gastric and pancreatic juice protects the mucosa from excoriation by acidic secretion.

Chromophil cells present on pharynx of Earthworm take part in secretion of

Chromophil cells in earthworm takes part in secretion of mucus and are found in

Which cells of the gastric glands of the stomach secrete Castle's intrinsic factor , essential for the absorption of vit . B_(12) ?

Assertion: The regions outside the seminiferous tubules are called interstitial spaces, which contain Leydig's cells. Reason: Leydig's cells synthesise and secrete testicular hormones called androgens.

Assertion : Blood glands are present in earthworm Reason : Earthworm has an open type of blood vascular system.

Assertion : G-cells of gastric gland secrete castle's intrinsic factor. Reason : This factor help in vitamin B_(2) absorption

CENGAGE BIOLOGY ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS-ARCHIVES
  1. Assertion: The pharyngeal gland of earthworm includes chromophil cells...

    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

    |