मराठी

Give Reasons Missing of Menses is the First Indication of Pregnancy. - Biology

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प्रश्न

Give Reasons

Missing of menses is the first indication of pregnancy.

टीपा लिहा

उत्तर

Because the endometrium of the uterus along with the unfertilized egg is given out in the form of menstrual flow.

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पाठ 10: The Reproductive System - Give Reasons

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आईसीएसई Biology [English] Class 10
पाठ 10 The Reproductive System
Give Reasons | Q 4

संबंधित प्रश्‍न

The human female gonads are ovaries. A maturing egg in the ovary is present in a sac of cells called ______ (1). As the egg grows larger, the follicle enlarges and gets filled with a fluid and is now called the ______ (2) follicle. The process of releasing the egg from the ovary is called ______ (3). The ovum is picked up by the oviducal funnel and fertilization takes place in the ______ (4). In about a weak the blastocyst gets fixed in the endometrium of the uterus and this process is called ______ (5).


Which one of the following menstrual irregularities is correctly matched?


If the corpus luteum is present in the ovary even after 72 hours after ovulationit indicates that ______.


Which hormone is secreted by the developing secondary follicles?


A human female reaches menopause aroung the age of ______.


A biology student after studying the different levels of hormones during the menstrual cycle was comparing 2 subjects (Patients). A table was created after looking at the levels of hormones A and B for Subjects 1 and 2. Read the information in the table and answer the question that follows.

  HORMONE A HORMONE B
Subject 1 Shows a peak on the 14th Day of the menstrual cycle. Falls down during the luteal phase.
Subject 2 Shows a peak on the 14th Day of the menstrual cycle. The level is maintained high in the luteal phase.

Subject 2 has a higher level of hormone B, which is ______


Menstruation normally occurs once in ______.


After ovulation the collapsed ovarian follicle shrinks and becomes filled with cell to form:


Write a short note on Secretory Phase.


The onset of menstruation in a human female is called ______.


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