Which one of the following correctly describes the location of some body parts in the earthworm Pheretima?

Two pairs of accessory glands in 16-18 segments

Four pairs of spermathecae in 4-7 segments

One pair of ovaries attached at intersegmental septum of 14th and 15th segments

Two pairs of testes in 10th and 11th segments

Solution

Four pairs of spermathecae in 4-7 segments

In earth, two pairs of testes are found in 10th and 11th segments, accessory four glands in 17th and 19th segments, four pairs of spermatheca from 6th 9th segment and one pair of ovarises in 13th segment.

Some More Questions From Human Reproduction Chapter

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

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Human Reproduction

Some More Questions From Human Reproduction Chapter

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

In 28 days woman's menstrual cycle, ovulation occurs on :

Scrotum communicates with abdominal cavity through :

How many spermatozoa or sperms are present in human ejaculate ?

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