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What is infertility and mention the caus...

What is infertility and mention the causes leading to infertility.

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CHETANA PUBLICATION-REPRODUCTION IN LOWER AND HIGHER ANIMALS-Exercise
  1. What is infertility and mention the causes leading to infertility.

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  2. Fill in the blanks. The primary sex organ in human male is .

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  3. Fill in the blanks. The is also called as womb.

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  4. Fill in the blanks. Sperm fertilizes ovum in the of fallopian Tube.

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  5. Fill in the blanks. The disc like structure which helps in the trans...

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  6. Gonorrhoea is casued by …………………… bacteria.

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  7. The hormone produced by the testis is…………….

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  8. The number of nuclei presesnt in a zygote is…

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  9. Which of the these is the male reproductive organ in human?

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  10. Attachment of embryo to the wall of the uterus is knowns as..

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  11. Rupturing of follicles and discharge of ova is known as….

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  12. In human female, the fertilized egg gets implanted in uterus…

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  13. Test tube baby technique is called…

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  14. The given figure shows a human sperm. Various parts of it are labelled...

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  15. Presence of beard in boys is a….

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  16. The pair of postero-lateral tissue of the male copulatory organ is ………...

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  17. In human being the type of cleavage is ……………..

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  18. About 60% of semen is formed by the secretion of …………………..

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  19. Onset of menstrual cycle at the time of puberty is called……………..

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  20. The lytic enzyme relesed by sperm is …………..

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  21. Which of the following is not formed from mesoderm.............

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