Life Begins
NIOS · Class 10 · Home Science
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Quick Quiz: Life Begins
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What is the fertilised ovum called after sperm and ovum unite?
Which body part does the zygote attach to before further growth begins?
Which term is used for the developing human before birth?
What is the first indication of pregnancy in every woman?
Sample Questions
Which change in the breasts is a sign of pregnancy?
Show answer
Enlargement and tenderness
During pregnancy, breasts become enlarged and tender, and the areola may darken.
What happens to urination near the end of pregnancy?
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It may increase in frequency
The frequency of urination may increase towards the end of pregnancy.
What is the usual total duration of pregnancy?
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About 280 days or nine months
Pregnancy lasts about 280 days, which is about nine months.
Which formula is used to calculate the expected date of delivery?
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First day of last menstrual period + 7 days + 9 months
The expected date of delivery is calculated from the first day of the last menstrual period by adding 7 days and 9 months.
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