Study MaterialsNCERT SolutionsNCERT Solutions For Class 12 BiologyNCERT Solutions for class 12 Biology chapter 4 reproductive health 4.2 population explosion and birth control

NCERT Solutions for class 12 Biology chapter 4 reproductive health 4.2 population explosion and birth control

NCERT Solutions for Class 12 Biology Chapter 4 Topic- Population Explosion and Birth Control

NCERT Solutions for Class 12 Biology Chapter 4 Topic- Population Explosion and Birth Control and all chapter Topics produced by qualified teachers according to NCERT (CBSE) book rules are available as a free PDF download. Class 12 Biology Chapter 4 Topic- Population Explosion and Birth Control Questions with Solutions to assist you in revising the entire syllabus and achieving higher grades. Register to receive all exercise solutions through email.

Solutions

Overview of topic

The most popular approach of preventing population explosion is to educate small households about various contraceptive options.

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    Periodic abstinence is a natural control measure. From the 10th to the 17th day of the menstrual cycle, the couple avoids coitus. These are the days when ovulation is most likely to occur. This is regarded as the fertile phase because the odds of the egg and sperm mating are at their highest during this time.

    Lactational amenorrhea is the lack of menstruation during nursing, immediately following childbirth. During nursing, the odds of conception are slim to none. However, this approach is only effective for roughly 6 months following delivery.

    Other regulating mechanisms include diaphragms, cervical caps, and vaults. During conception, they are introduced into the female reproductive system to cover the cervix. They hinder conception by preventing sperm from entering the female body. These gadgets can be used again and again.

    Doctors place little gadgets into the body known as intra-uterine devices. CuT, Cu7, the Lippes loop, and so on. To impede conception, these technologies encourage sperm phagocytosis. They are used to postpone the birth of a child. CuT and Cu7 are copper-based gadgets. Sperm motility is inhibited when copper ions are released. These are thought to be the best contraceptives for women.

    Oral contraceptives are taken in the form of pills. The first birth control pill was discovered by Dr. Gregory Goodwin Pincus. Small amounts of oestrogen or progesterone, or a mix of the two, are found in these pills. For a total of 21 days, these oral contraceptives should be used. These pills should be avoided after a 7-day break, or at the time of menstruation. To control birth, surgical techniques are also performed. Sterilization methods are another name for these techniques. These procedures are used to end any future pregnancies. These procedures inhibit conception by preventing gamete transfer. One of the methods utilised in guys is vasectomy.

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    FAQs (Frequently Asked Questions)

    1. Can I score full marks in Class 12 Chapter 4 Biology?

    Yes, you can easily score full marks in Class 12 Biology. All you need to do to score full marks in Biology is frequent practice. All of the concepts should be clear in this subject since many questions are expected in the board examination from this chapter. This will help you make your confidence up and well versed with the chapter and can score full marks in the exam. You should also refer to the NCERT Solutions of this chapter.

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    NCERT solutions by Infinite Learn are designed strictly according to the latest CBSE syllabus and it is the best way to study this chapter containing all the important points and formulas. The subject matter experts designed these NCERT solutions with the aim to make the learning process the most convenient way.

    3. How can I download the NCERT Solutions of this exercise from the Infinite Learn website?

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