Term -2 Class:8 Science 6. Reaching the age of Adolescence - Choose - clickhere

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Term -2 Class:8 Science 6. Reaching the age of Adolescence

வினாக்களை படித்து , புரிந்துகொண்டு விடைகளை தேர்ந்தெடுக்கவும்:
Understand the Question and choose the Correct answers:
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5 நிமிடத்திற்குள் கவனமாகவும் , விரைவாகவும் விளையாட்டை முடிக்க.
விளையாடி முடித்தபின் , அனைத்தையும் எழுதிப்பார்க்கவும். நன்றி.
உங்கள் முயற்சிக்கு வாழ்த்துகள்.

 

1. What happens if ovum is not fertilized?
   1.   Both (a) & (b)
   2.   Corpus luteum begins to degenerate
   3.   Production of hormones becomes ceased
   4.   None
2. Menstruation occurs once in about ___________________days and it takes about ________________ days respectively
   1.   28 to 30 days & 3 to 5 days
   2.   25 to 30 days & 3 to 5 days
   3.   28 to 30 days & 2 to 5 days
   4.   28 to 30 days & 5 to 8 days
3. Menstrual cycle is mainly controlled by __________________
   1.   Hormones
   2.   Junk foods
   3.   Important nutrients
   4.   Diet
4. The important minerals required for adolescence is / are
   1.   All the above
   2.   Calcium
   3.   Phosphorous
   4.   Iron
5. Which among the following helps to prevent thyroid related diseases?
   1.   Lodine
   2.   Iron
   3.   Zinc
   4.   Calcium
6. The characters which help to distinguish male from female is known as _________________
   1.   Secondary sex characters
   2.   Adams apple
   3.   Primary sex characters
   4.   All the above
7. During menstruation, the progester one level is _________________
   1.   Ceased
   2.   Decreased
   3.   Increased
   4.   No change
8. Calcium is important in preventing ________________.
   1.   Osteoporosis
   2.   Anemia
   3.   Menstruation
   4.   Menopause
9. The first menstrual flow begins at puberty is called ________________.
   1.   Menarche
   2.   Ovulation
   3.   Pregnancy
   4.   Menopause
10. Deficiency of iron causes ____________________
    1.   Anemia
    2.   Osteoporosis
    3.   Menstruation
    4.   Menopause