Home
Class 12
BIOLOGY
[A] : Neoteny is the retention of larval...

[A] : Neoteny is the retention of larval form throughout the life .
[R] : It occurs in Axoltol larva of Ambystoma .

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

A rhabditiform larva is formed in the life cycle of

Notochord occurs all through the length of body and throughout life in

Notochord occurs all through the length of body and throughout life in

Name the larval forms found in the life history of butterflies and house flies.

Fill in the blanks In a_____growth by cell division occurs continuously throughout their life span. In b_____, this growthh is seen only up to a certain age.

Assertion (A) : The fusion of sperm and ovum to form zygote is called fertilization. Reason (R): It occurs at ampullary isthmic junction of the fallopian tube

In the sub-phylum (_i_) notochord is present only in the larval tail, while in (_ii_), it extends from head to tail region and is persistent throughout their life. In (_iii_) class of vertebrate notochord is replaced by certilaginous vertebral column and (_iv_) class of vertebrate the notochord is replaced by bony vertebral column. select the option which is correct for all (i)-(iv) blanks.

Read the following statement carefully and identify the correct statement and select the correct option given below :- (A) Cell division remain continuous throughout the life in plant and animals both (B) Centriole division occurs in anaphase II in meiosis (C) Crossing over in pachytene occurs due to chiasma formation (D) All cells are arises from pre existing cell by cell division

read the following statements w.r.t. growth in living organisms. (a).In plants growth by cell division occurs continuously throughout their lifespan. (b) growth is a defining property of living organism. (c) cell division occurs in certain tissues to replace lost cells. (d) increase in body mass is considered as growth. (e) in majority of higher animals and plants and in unicellular organisms, growth and reproduction are mutually exclusive events. select the correct option.

TRUEMAN BIOLOGY-Animal Kingdom -ASSERTION AND REASON
  1. [A] : In reptiles , lizards show autotomy . [R] : Tail of most lizar...

    Text Solution

    |

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

    Text Solution

    |

  3. Assertion: Kraits ar poisonous snakes. Reason: Belly scales are smal...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |