Home
Class 12
BIOLOGY
[A] : Earthworm obtain oxygen for respir...

[A] : Earthworm obtain oxygen for respiration through moist skin . They do not have respiratory organs .
[R] : They are burrowing in habit .

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|283 Videos

Similar Questions

Explore conceptually related problems

[A] : In bacteria mesosomes help in respiration . [R] : Bacteria do not have mesosomes .

Go through the following statements (i) the peripheral chemoreceptors for regulation of respiration are located in carotid veins and arch of aorta (ii) the primary effect of penumotaxic centre is to control the switch off point of inspiratory signal and thus limit inspiraton (iii) the chemosensitve area fo brain for respiratory control is highly sensitive to O_(2) concentration (iv) i case of feital haemoglobin the oxygen haemoglobin dissociation curve is shifted toward left ltrbgt which of these ar correct ?

Which of the following during respiration obtain water dissolved oxygen by diffusion through their body surface (a) Cnidarians (b) Fishes (c) Amphibians (d) Reptiles

Go through the following statements carefully i) Compared to many other organisms, bacteria as a group show the most extensive metabolic diversity. ii) Mycoplasma die in the absence of oxygen iii) Cyanobacteria often form blooms in polluted water bodies. iv) No pathogenic mycoplasma have been reported so far Which of these are correct? 1. (i), (ii) and (iii) 2. (i), (iii) 3. (ii), (iii) and (iv) 4. (iii) & (iv)

[A] : Living organisms do not interact with each other. [R] : All living organisms have originated independently.

TRUEMAN BIOLOGY-Animal Kingdom -ASSERTION AND REASON
  1. [A] : All invertebrates can keep their body temperature constant all t...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. [A] : In elastic lungs of birds are supplemented by remarkable system ...

    Text Solution

    |

  15. [A] : Sphenodon is referred to as a living fossil . [R] : It has ret...

    Text Solution

    |

  16. [A] : In reptiles , lizards show autotomy . [R] : Tail of most lizar...

    Text Solution

    |

  17. [A] : Heloderma is called beaded lizard . [R] : Its scales resemble ...

    Text Solution

    |

  18. Assertion: Krait is poisonous snakes. Reason: Belly scales are small...

    Text Solution

    |

  19. [A] : In the adult bird , only the left ovary is well developed . [R...

    Text Solution

    |

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

    Text Solution

    |