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Which one of the following correctly describes the location of some body parts in the earthworm Pheretima ?
Options
(a) Four pairs of spermathecae in 4 – 7 segments
(b) One pair of ovaries attached at intersegmental septum of 14th and 15th segments
(c) Two pairs of testes in 10th and 11th segments
(d) Two pairs of accessory glands in 16 – 18 segments
Correct Answer:
Two pairs of testes in 10th and 11th segments
Explanation:
In Pheretima two pairs of testes sacs are situated in the 10th and 11th segments. Each testes sac of the 10th segment encloses a testes and a seminal funnel. Each testes sac of the 11th segment encloses a testes, a seminal vesicle and a seminal funnel
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Topics: Structural Organisation In Animals
(175)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- How many of the daughter cells obtained from a megaspore mother cell result
- The period of pregnancy is referred as
- Respiratory quotient (R.Q.), is one in case of
- The sugarcane plant has
- Frogs differ from humans in possessing:
Topics: Structural Organisation In Animals (175)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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