Home
Class 12
BIOLOGY
Assertion : The mammary glands of the fe...

Assertion : The mammary glands of the female starts producing milk just after the process of parturition .
Reason : High level of oxytocin induces milk production .

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion .

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False .

D

If both Assertion & Reason are False.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTIVE SYSTEM , EMBRYOLOGY AND REPRODUCTIVE HEALTH

    ALLEN|Exercise Exercise -I (Conceptual Questions)|25 Videos
  • REPRODUCTIVE SYSTEM , EMBRYOLOGY AND REPRODUCTIVE HEALTH

    ALLEN|Exercise Exercise-II (AIPMT 2008)|2 Videos
  • REPRODUCTIVE SYSTEM , EMBRYOLOGY AND REPRODUCTIVE HEALTH

    ALLEN|Exercise Exercise-III(A) (Ncert Based Questions)|112 Videos
  • REPRODUCTIVE HEALTH

    ALLEN|Exercise S|19 Videos
  • RESPIRATION IN PLANTS

    ALLEN|Exercise Diagram Based question|5 Videos

Similar Questions

Explore conceptually related problems

Which hormone stimulates the mammary glands to eject out milk during sucking of milk by baby after parturition

Read the following statements about human reproduction : I. A tertiary follicle is characterized by the presence of a fluid - filled cavity called the antrum . II. The labia minora are fleshy folds of tissue , extend down the mons pubis , and surround the vaginal orifice . III. Most of the major organ systems of the fetus formed by the end of the second month of pregnancy . IV. The mammary glands of the female start producing milk during pregnancy. How many statements are incorrect from from the above

Assertion :- Outcrossing is the best method for animals that are below average in productivity in milk production and growth rate in beef cattles. Reason :- By outcrossing prodcution can be rise with restoring the breed specificity.

Assertion: Amount of organic matter synthesized by producers per unit time and per unit area during the process of photosynthesis referred to as net primary productivity. Reason: Primary productivity is usually high and sustained throughout the year in temperate areas due to abundance of sunlight.

Assertion : A single outcross often helps to overcome inbreeding depression. Reason : Out-crossing is best breeding method for increasing milk productivity.

The process of secretion of milk from the mammary glands of human female is

Read the following sentences and select the correct option with all true statements. i. During parturition , oxytocin induces intense contractions in the uterus. ii. After parturition oxytocin stimulates milk ejection. iii . The labour pain of during child-birth is due to oxytocin . iv. oxytocin is secreted from placenta and ovary .

Assertion: Cattle breeds can be improved by superovulation and embryo transfer. Reason: Superovulation in high milk-yielding cows is induced by hormonal injections.

Assertion Vegetarians may take infertile eggs produced by purely female stocks in which male chickens are not kept. Reason: Such eggs often called vegetarian eggs, are equivalent to milk in that both are animal products and do not produce life.

ALLEN-REPRODUCTIVE SYSTEM , EMBRYOLOGY AND REPRODUCTIVE HEALTH -Exercise-IV (Assertion & Reason)
  1. Assertion : The level of FSH & LH attain a peak level in the middle of...

    Text Solution

    |

  2. Assertion : Regular cyclic menstruation is an indicator of normal repr...

    Text Solution

    |

  3. Assertion : The acrosomal secretions of sperm , help it in entering in...

    Text Solution

    |

  4. Assertion : The nucleus of sperm fuses with the nucleus of ovum , befo...

    Text Solution

    |

  5. Assertion : Females not participate in the determination of the sex of...

    Text Solution

    |

  6. Assertion : hCG , hPL and relaxin are produced in women only during pr...

    Text Solution

    |

  7. Assertion : If fertilization does not occur than the corpus luteum be...

    Text Solution

    |

  8. Assertion : The mammary glands of the female starts producing milk jus...

    Text Solution

    |

  9. Assertion : All Eutherian are placental mammals . Reason : All place...

    Text Solution

    |

  10. Assertion : Primary spermatocytes of testes are haploid . Reason : P...

    Text Solution

    |

  11. Assertion : Estrogen level is high during the follicular phase of mens...

    Text Solution

    |

  12. Assertion : Normally monospermy occurs in most of animals . Reason :...

    Text Solution

    |

  13. Assertion : Nucleocytoplasmic ratio decreases in cleavage . Reason :...

    Text Solution

    |

  14. Assertion : Egg of eutherian is multicellular . Reason : Many follic...

    Text Solution

    |

  15. Assertion : Presence of zona pallucida over the fertilized ovum preven...

    Text Solution

    |

  16. Assertion : Cleavage in human zygote is holoblastic . Reason : Its e...

    Text Solution

    |

  17. Assertion : During oogenesis polar bodies are formed . Reason : Prim...

    Text Solution

    |

  18. Assertion : In male , urethra is considered as urinogenital duct . R...

    Text Solution

    |

  19. Assertion : When sperm enters in egg , one polar body is released in h...

    Text Solution

    |

  20. Assertion : Distal centriole acts as a basal granule . Reason : Dist...

    Text Solution

    |