Home
Class 12
BIOLOGY
[A] : There are 10 tidemanns bodies in a...

[A] : There are 10 tidemanns bodies in ambulacral system of echinoderms .
[R] : They are enzyme destroying bodies and act as lymphatic glands .

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

  • ANATOMY OF FLOWERING PLANTS

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|190 Videos

  • ANIMAL KINGDOM -NONCHORDATES

    TRUEMAN BIOLOGY|Exercise MCQ|291 Videos

Similar Questions

Explore conceptually related problems

What is body symmetry of echinoderms ?

Assertion. Ambulacral system of echinoderms contains water. Pores in the madreporite let water enter this system.

The largest gland in the human body is

Assertion. Small Tiedmann's bodies are associated with the ring ambulacral vessel in the echinoderms. Reason. Tiedmann's bodies contain phagocytes to dispose of the bacteria.

The function of fat in the body is to act as

Which acts as the command and control system of of body ?

TRUEMAN BIOLOGY-Animal Kingdom -ASSERTION AND REASON
  1. [A] : Pearl is formed when a foreign particle gets in between shell an...

    Text Solution

    |

  2. [A] : Fasciola is hermaphrodite . [R] : Gonads are well developed an...

    Text Solution

    |

  3. [A] : There are 10 tidemanns bodies in ambulacral system of echinoderm...

    Text Solution

    |

  4. [A] : Termites and ants are social insects . [R] : They make fungus ...

    Text Solution

    |

  5. Assertion(A): In sponges, archaeocytes are totipotent. Reason( R): T...

    Text Solution

    |

  6. [A] : The honey is a vital food for animals including man . [R] : Th...

    Text Solution

    |

  7. [A] : Leaches secrete hirudin from their salivary glands . [R] : Hir...

    Text Solution

    |

  8. [A] : All invertebrates can keep their body temperature constant all t...

    Text Solution

    |

  9. [A] : In Taenia solium , bladder worm is also known as cysticercus . ...

    Text Solution

    |

  10. [A] : Earthworm obtain oxygen for respiration through moist skin . The...

    Text Solution

    |

  11. [A] : Presence of alimentary canal would not have suited the mode of l...

    Text Solution

    |

  12. [A]: Development in cockroach is termed as retrogressive metamorphosis...

    Text Solution

    |

  13. [A] : All the gills of Palaemon are phyllobranchs . [R] : Each gill ...

    Text Solution

    |

  14. [A] : Renal-sac of Prawn functions in same manner as vertebrate kidney...

    Text Solution

    |

  15. [A] : Pila is adopted to lead an amphibious life . [R] : It is provi...

    Text Solution

    |

  16. [A] : Chordates have poor regeneration power while non-chordates have ...

    Text Solution

    |

  17. [A] : In lower invertebrates the digestion is intracellular while in h...

    Text Solution

    |

  18. [A] : Chordates have an oxygen carrying pigment called haemoglobin . I...

    Text Solution

    |

  19. [A] : Huxley comments that Birds are glorified reptiles . [R] : Bird...

    Text Solution

    |

  20. [A] : Birds excrete uric acid . [R] : Birds do not have a urinary b...

    Text Solution

    |