Home
Class 12
BIOLOGY
Read the given statements and select the...

Read the given statements and select the correct option
Statement 1 : CuT,Cu7 and multiload 375 are the harmone releasing IUDs
Statement 2 : Cu ions released by some IUDs affect the ability of uterine wall to support embryo thus cause contraception.

A

Both statement 1 and 2 are correct

B

Statement 1 is correct but statement 2 is incorrect

C

Statement 1 is incorrect but statement 2 is correct

D

Both statement 1 and 2 are incorrect

Text Solution

Verified by Experts

The correct Answer is:
D

Cu7 , CuT ad Multiload 375 are copper releasing IUDs. Cu ions releasing by IUDs suppress sperm motolity and ther fertilising capacity of the sperms.
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN ORGANISM

    NCERT FINGERTIPS|Exercise Reproduction In Organism|138 Videos
  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    NCERT FINGERTIPS|Exercise Sexual Reproduction In Flowering Plants|145 Videos

Similar Questions

Explore conceptually related problems

Read the given statements and select the correct option. Statement 1: All triploblastic animals are eucoelomates. Statement 2: They have a false correct.

Read the given statements and select the correct option. Statements 1: Blood is colourless in the insects. Statement 2: Insect blood has no role in O_(2) transport.

Read the given statements and select the correct option. Statement 1: Ethylene is a gaseous hormone. Statement 2: Ethylene causes climacteric ripening of fruits.

Read the given statements and select the correct option. Statement 1: The planet Saturn could float if put in water. Statement 2: Density of water is more than that of effective density of Saturn.

Read the following statements select the correct option. Statement 1 : Ranikhet disease is a disease of poultry. Statement 2: It is caused by a virus.

Read the given statements and select the correct option Statement-1: Each sperm of moss has two flagella. Statement-2: Water is essential for fertilisation in mosses.

Read the given statements and select the correct option. Statement 1: Herbivours are also called as first order consumers. Statement 2: Herbivores obtain their food directly from plants.

Read the given statements and select the correct option Statement-1: Volvox forms spherical colony. Statement-2: Volvox colony is made up of non-motile cells.

Read the given statements ad select the correct option. Statement-1: Main plant body of bryophytes is sporophytic. Statement-2: Main plant body of pteridophytes is gametophytic

Read the following statement and select the correct option Statement 1 : Bone and cartilage are rigid connective tissues Statement 2 : Blood is a connective tissue with fluid (plasma) matrix.

NCERT FINGERTIPS-REPRODUCTIVE HEALTH-Reproductive Health
  1. IUDs prevent pregnancy by

    Text Solution

    |

  2. CuT is an intrauterine contraceptive device. Select the option that co...

    Text Solution

    |

  3. Read the given statements and select the correct option Statement 1 ...

    Text Solution

    |

  4. Cu ions released from copper releasing intrauterine devices (IUDs)

    Text Solution

    |

  5. Select the correct statement regarding IUDs out of the following

    Text Solution

    |

  6. The birth control device used by women is

    Text Solution

    |

  7. Main disadvantages of intrauterine contraceptive devices is that

    Text Solution

    |

  8. Which of the following are the drawbacks of the IUDs ? (i) Their spo...

    Text Solution

    |

  9. The most important component of oral contraceptive pills is

    Text Solution

    |

  10. Progestin-estradiol combined contraceptive pills inhibit ovulation by

    Text Solution

    |

  11. Progesterone pill helps in preventing pregnancy by allowing

    Text Solution

    |

  12. How do the pills work ? (i) Inhibit ovulation and implantation (ii...

    Text Solution

    |

  13. Read the given statement and select the correct option Statement 1 ...

    Text Solution

    |

  14. What is true about ''Saheli'' ? (i) Developed at the CDRI, Lucknow ...

    Text Solution

    |

  15. Identify the figures of the contraceptives given below and select the ...

    Text Solution

    |

  16. Which of the following contraceptives are implanted under the skin ?

    Text Solution

    |

  17. Select the correct statement regarding subcutaneous implantation of sy...

    Text Solution

    |

  18. Read of following statements and select the correct option Statement...

    Text Solution

    |

  19. Consider the following statement and select the option stating which o...

    Text Solution

    |

  20. Read the following statements and select the option having both incorr...

    Text Solution

    |