Human Reproduction Class 12 Questions And Answers

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1. Which structures are correctly paired with its functions?

Explanation

 

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Human Reproduction Class 12 Questions And Answers - Quiz

If you are looking for human reproduction class 12 questions and answers for the revision, you've arrived at the right place. This quiz contains some of the important... see morequestions from the chapter human reproductive system. Take the test and check your knowledge for the same. Human reproduction occurs when a male sperm cell fertilizes with female egg cells to form a zygote. Reproduction is necessary to maintain the continuity of life on earth. Let's play this quiz now.
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2. Where is the fimbriae located?

Explanation

The fimbriae are located at the end of the fallopian tubes. The fimbriae are finger-like projections that extend from the infundibulum, which is the funnel-shaped opening of the fallopian tube. They help to capture the released egg from the ovary and guide it into the fallopian tube for fertilization.

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3. Where does fertilization usually take place in females?

Explanation

Fertilization usually takes place in the fallopian tubes. After ovulation, the egg is released from the ovary and travels through the fallopian tube towards the uterus. If sperm is present in the fallopian tube, it can fertilize the egg before it reaches the uterus. The fallopian tubes provide the ideal environment for fertilization to occur, with the help of cilia and muscular contractions that aid in the movement of the egg and sperm.

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4. How to prevent vaginal prolapse?

Explanation

Maintaining weight is a good way to prevent vaginal prolapse because obesity can increase the risk of having vaginal prolapse.

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5. Male and female gametes are

Explanation

Male and female gametes are haploid because they contain half the number of chromosomes compared to the other cells in the organism. This is necessary for sexual reproduction, as when the gametes fuse during fertilization, the resulting zygote will have the correct number of chromosomes. Therefore, haploid gametes ensure that the offspring will have the correct number of chromosomes and maintain the species' genetic diversity.

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6. What would be a direct result of an enzymatic deficiency on the acrosome?

Explanation

Acrosome is responsible for sperm penetration in the egg, if that does not occur the egg would not complete Metaphase II

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7. What will happen if there is an imbalance between the hormones estrogen and progesterone during pregnancy? It can lead to __________.

Explanation

Because reduction in progesterone level causes the uterus to shrink, the uterus is a house a fertilized egg until the fetus is ready to deliver.

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8. The testes are the male reproductive glands. They are surrounded by three layers of tissue. Which tissue have double membrane and form outer covering the testes?

Explanation

The correct answer is Tunica Vaginalis. The testes are surrounded by three layers of tissue, and the outer covering is formed by the double membrane called Tunica Vaginalis.

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9. Which structure is likely to be immediately affected due to spread of infection in the cervical canal?

Explanation

The fornix is the superior portion of the vagina which is near the protruding uterine cervix

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10. ________ is the condition which the testes do not descend into the scrotum.

Explanation

Cryptorchidism is the absence of at least one testicle from the scrotum.

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Which structures are correctly paired with its functions?
Where is the fimbriae located?
Where does fertilization usually take place in females?
How to prevent vaginal prolapse?
Male and female gametes are
What would be a direct result of an enzymatic deficiency on the...
What will happen if there is an imbalance between the hormones...
The testes are the male reproductive glands. They are surrounded by...
Which structure is likely to be immediately affected due to spread of...
________ is the condition which the testes do not descend into the...
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