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Science Test Space
Class 10
Reproduction in plants and animals
Reproduction in animals
25.
Reproductive health related problems, strategies, lactation, maternal and fraternal twins
Question:
5
m.
Choose the correct answer
:
1
.
Which of the following statements is/are false?
Normally gestation period of humans lasts about \(280\) days
Gestation is the time period during which the embryo attains its development
Normally gestation period of humans lasts about \(180\) days
Gestation is the expulsion of the fully grown foetus from the mother's uterus
2
.
Which of the following statements is/are false?
Identical twins develop from a single zygote
Identical twins have the same sex and have identical characteristics
Identical twins are formed due to the fertilization of two different ova, fertilized by two different sperm
Identical twins also called as dizygotic twins
Identical twins are also called as monozygotic twins
3
.
Which of the following is not problem present in reproductive health in India?
Children are married early as soon as they attain puberty
Sex education in schools
Over population
Frequent pregnancies and pregnancy at a tender age
Family planning program
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