Home
Class 12
BIOLOGY
Assertion : Lycaenops is a mammals - lik...

Assertion : Lycaenops is a mammals - like reptile.
Reason : Mammal - like reptiles originated in the Permian period.
(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.

A

If both Assertion `&` Reason are true and the reason is the correct explanation of the assertion. Then mark (1)

B

If both Assertion `&` Reason are true but the reason is not the correct explanation of the assertion, then mark (2)

C

If Assertion is true statement but Reason is false, then mark (3)

D

If both Assertion and Reason are falses statements, then mark (4)

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • EVOLUTION

    AAKASH INSTITUTE ENGLISH|Exercise TRY YOURSELF|29 Videos

  • EVOLUTION

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-C PREVIOUS YEARS QUESTIONS|143 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION D|15 Videos

  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    AAKASH INSTITUTE ENGLISH|Exercise SECTION D ( ASSERTIN-REASON TYPE QUASTION)|10 Videos

Similar Questions

Explore conceptually related problems

Assertion: The heart of cockroach is neurogenic. Reason: The heartbeat rate in cockroach is 49 per minute. (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.

Assertion (A) : Amphibians have evolved from fishes . Reason (R ) : Archaeopteryx is a fossil linking fishes and amphibians (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.

Assertion : Salamander , Sphenodon are classified as amphibians . Reason : Their skin is naked, moist, and glandular. (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.

Assertion: Oxidation of nutrients releases bond energy Reason : Oxidation of nutrients is done by using molecular oxygen. (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.

Assertion: In earthworm, development larval stage is not found. Reason: Because in development larval stage is not found. (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.

Assertion : The duct - billed Platypus and the spiny anteater, both are egg - laying animals yet are grouped under mammals. Reason : Both of them have seven cervical vertbrae and mammary glands without teats. (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.

Assertion : Lateral line system is found in fishes and aquatic larval amphibians. Reason : Lateral line system has receptor of sensory cells derived form ectoderm. (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.

Assertion : A bony fish can stay at a particular depth without expending energy is a swimming contrary to the cartilaginous fishes. Reason : In bony fishes, the swim bladder is present which helps in buoyancy. (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.

Assertion : Maximum movement is possible at the amphiarthrosis joint. Reason : Such joint are also called synovial joints and have almost frictionless movement due to synovial fluid. (a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. (b (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.

Assertion : Among the land animals. Cheetah can run faster over the ground. Reason : Cheetah uses its powerful forelimbs to push it self forward during running. (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.

AAKASH INSTITUTE ENGLISH-EVOLUTION-SECTION-D ASSERTION-REASON TYPE QUESTIONS
  1. A: During evolution pouched mammals of Australia survived. R: Due to...

    Text Solution

    |

  2. A: Mesozoic is the era of dinosaurs but they suddenly disappeared from...

    Text Solution

    |

  3. A: Mutations are non-directional. R: Darwin's small variations are d...

    Text Solution

    |

  4. A: During industrialisation dark-winged or melanised moths were more ...

    Text Solution

    |

  5. A: Tyannosaurus rex had fearsome dagger like teeth. R: Tyrannosaurru...

    Text Solution

    |

  6. A: During evolution the early time period was without ozone layer. R...

    Text Solution

    |

  7. A: Theory of biogenesis explains that life arises from pre-existing li...

    Text Solution

    |

  8. A: India falls under oriental realm out of other biogeographical realm...

    Text Solution

    |

  9. A: Archaeopteryx had free caudal vartebrae and toothed beak with teeth...

    Text Solution

    |

  10. A: Placental wolf and Tasmanian wolf (a marsupial) show convergent evo...

    Text Solution

    |

  11. A: There is 99% homology is haemoglobin of man and Gorilla. R: Moder...

    Text Solution

    |

  12. A: Many countries have banned the use of antibiotics in the cattle fee...

    Text Solution

    |

  13. Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal ...

    Text Solution

    |

  14. A: Blood group analysis shows the human beings are more closely relate...

    Text Solution

    |

  15. A: Due to bottle neck effect, among the survivors, certain alleles may...

    Text Solution

    |

  16. A: Spotted cuscus and marsupial mole are the examples of marsuplai rad...

    Text Solution

    |

  17. A: Similarities in proteins and genes performing a given function amon...

    Text Solution

    |

  18. A: Sometimes, some babies have a small tail. R: This is just a type ...

    Text Solution

    |

  19. A: Muscles of external ears are fully developed in humans. R: These ...

    Text Solution

    |

  20. A: A single large mutation called saltation can produce new species. ...

    Text Solution

    |