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Question
Assertion: In non-primate mammals, cyclical changes that occur during reproduction is called oestrus cycle whereas in primates, it is called the menstrual cycle.
Reason: The females of placental mammals exhibit cyclical changes in the activities of ovaries and accessory ducts as well as hormones during the reproductive phase.
Assertion: In non-primate mammals, cyclical changes that occur during reproduction is called oestrus cycle whereas in primates, it is called the menstrual cycle.
Reason: The females of placental mammals exhibit cyclical changes in the activities of ovaries and accessory ducts as well as hormones during the reproductive phase.
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Solution
The correct option is A If both assertion and reason are true and the reason is the correct explanation of assertion.
In females of placental mammals, certain cyclical changes occur during the reproductive phase in the ovaries and accessory ducts which are induced by hormones. These changes occur after females attain sexual maturity.
In non-primates, these cyclical changes in the ovaries and accessory ducts is called the oestrus cycle and in primates, it is called menstrual cycle.
In females of placental mammals, certain cyclical changes occur during the reproductive phase in the ovaries and accessory ducts which are induced by hormones. These changes occur after females attain sexual maturity.
In non-primates, these cyclical changes in the ovaries and accessory ducts is called the oestrus cycle and in primates, it is called menstrual cycle.
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