Home
Class 12
BIOLOGY
[A] : A pair of coxal glands are found i...

[A] : A pair of coxal glands are found in each side of metasoma of scorpion .
[R] : The coxal glands of scorpion are analogous with the green glands of crustacea and function as excretory organs .

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|194 Videos

  • ANIMAL KINGDOM -NONCHORDATES

    TRUEMAN BIOLOGY|Exercise MCQ|291 Videos

Similar Questions

Explore conceptually related problems

In which of these animals antennal gland functions as excretory organ?

Identify the glands that perform the excretory function in prawns.

List any Five hormones of Pituitary gland and write one function of each.

Name any three endocrine glands in human body and briefly write the function of each of them.

Write in tabular form the location, hormone and function of the hormones secreted by each of the following glands present in the human body. i] Pituitary gland ii] Thyroid gland iii] Pancreas

Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone. OR Trace the path of sperm during ejaculation and mention the gland and their functions associated with the male reproductive system.

Consider the following statements A. Flame cells are excretory structures in flatworms B. Green glands are excretory organs in annelids C. Columns of Bertini are the conical projections of renal pelvis into medulla between the renal pyramids

State one function of each of the following parts of human male reproductive system. (i) Vas deferens, (ii) Testes, (iii) Prostate gland.

TRUEMAN BIOLOGY-Animal Kingdom -ASSERTION AND REASON
  1. [A] : In the adult bird , only the left ovary is well developed . [R...

    Text Solution

    |

  2. [A] : Rabbit is classified as mammal . [R] : Rabbit possesses mammar...

    Text Solution

    |

  3. [A] : Origin of mammals is polyphyletic . [R] : Mammals are derived...

    Text Solution

    |

  4. [A] : The Ascidian tadpole larva possess all the basic chordate charac...

    Text Solution

    |

  5. [A] : Tail wagging dance is performed for short distances . It conveys...

    Text Solution

    |

  6. [A] : A pair of coxal glands are found in each side of metasoma of sco...

    Text Solution

    |

  7. [A] : Honey bees are social insects known for producing honey and bees...

    Text Solution

    |

  8. Assertion : Cold blooded animals do not have fat layer. Reason : Col...

    Text Solution

    |

  9. [A] : Neoteny is the retention of larval form throughout the life . ...

    Text Solution

    |

  10. [A] : In Parthenogenesis , fertilized egg is stimulated to divide . ...

    Text Solution

    |

  11. [A] : Protozoans have no physiological division of labour . [R] : Th...

    Text Solution

    |

  12. [A] : Visceral leishmaniasis is caused by the sand flies . [R] : Whe...

    Text Solution

    |

  13. [A] : Many desert mammals cool the exhaled air in their noses , befor...

    Text Solution

    |

  14. [A] : Amoeba is regarded as the lowest form of animals. [R] : Body o...

    Text Solution

    |

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

    Text Solution

    |

  16. Assertion : Bats and whales are classified as mammals Reason : Bats ...

    Text Solution

    |

  17. [A] : The coelomic cavity of Leech is mostly filled with botryoidal ti...

    Text Solution

    |

  18. [A] : When a foreign object , such as a sand grain gets in between the...

    Text Solution

    |

  19. [A] : Tail wagging dance is performed for short distances . It conveys...

    Text Solution

    |

  20. Assertion: The duck-billed platypus and the spiny anteater, both are e...

    Text Solution

    |