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Subjects
Science CBSE
Class 10
How do organisms reproduce?
Reproduction in organisms and animals
30.
Reproductive health related problems, strategies, lactation, maternal and fraternal twins
Exercise condition:
5
m.
Choose the correct answer
:
1
.
Which of the following statements is/are false?
Due to the uterine contractions, the head of the baby gets pushed along the uterus
Gestation is the process of giving birth to a completely developed foetus
Gestation is the process of milk production after childbirth from the mammary glands of the mother
Parturition is the expulsion of the fully grown foetus from the mother's uterus
2
.
Which of the following statements is false about fraternal twins?
They are formed due to the fertilization of two different ova, fertilized by two different sperm
They may be of the same or different sex
They are also called as dizygotic twins
They develop from a single zygote
They are also called as monozygotic twins
3
.
Which of the following statements is/are true?
Reproductive health is the total well-being of physical, emotional, social and behavioural aspects in reproduction
Knowledge of reproductive organs, safe and hygienic sexual practices leads to a healthy reproductive life
Safe sexual life can give rise to sexually transmitted diseases like syphilis
Information on reproduction-related problems and menstrual issues must be provided
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