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प्रश्न
Fill in the blank:
The hormone produced by the testis is _______.
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उत्तर
The hormone produced by the testis is testosterone.
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संबंधित प्रश्न
A large number of married couples the world over are childless. It is shocking to know that in India the female partner is often blamed for the couple being childless.
- Why in your opinion the female partner is often blamed for such situations in India? Mention any two values that you as a biology student can promote to check this social evil.
- State any two reasons responsible for the cause of infertility.
- Suggest a technique that can help the couple to have a child where the problem is with male partner.
An infertile couple is advised to adopt test-tube baby programme. Describe two principle procedures adopted for such technologies.
Multiple choice question.
Test tube baby technique is called _______.
Fill in the blank:
The disc-like structure which helps in the transfer of substances to and from the fetus’s body is called _______.
A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is ______.
The first case of IVF-ET technique success, was reported by ______.
In which of the following ARTs, does in vivo fertilisation occur?
What are the Assisted Reproductive Techniques practised to help infertile couples? Describe any three techniques.
Explain any two ways by which IUDs devices act as contraceptives.
Which one of the following choices reflects the correct number of chromosomes in the zygote and in the second polar body of Drosophila melanogaster?
| Zygote | Meiocytes | |
| I | 08 | 08 |
| II | 04 | 08 |
| III | 08 | 04 |
| IV | 04 | 04 |
