Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 31-40 of 50 questions.
In blastocyst embryo proper develops from what?
A. Inner cell mass
Identify the concept: this is about blastocyst parts.
Inner cell mass later forms the embryo proper.
Exam tip: inner cell mass means future embryo.
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What is the main function of placenta?
A. मां और भ्रूण के बीच पदार्थों का आदान प्रदानExchange of materials between mother and foetus
Identify the concept: this is placenta function.
Placenta allows exchange of gases nutrients and wastes between mother and foetus.
Exam tip: remember placenta as the exchange organ.
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Foetus is connected to placenta through which structure?
A. Umbilical cord
Identify the concept: this is foetal connection.
Umbilical cord connects the foetus with the placenta.
Exam tip: remember umbilical cord as foetus placenta connection.
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Placenta secretes which pregnancy hormone?
A. hCG
Identify the concept: this is endocrine function of placenta.
Placenta secretes hormones such as hCG which help maintain pregnancy.
Exam tip: connect hCG with pregnancy hormone.
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What does gestation period mean?
A. Fertilization से birth तक का समयTime from fertilization to birth
Identify the concept: this is a pregnancy duration term.
Gestation period is the time of development from fertilization to birth.
Exam tip: remember gestation as pregnancy period.
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Human pregnancy is about how many months?
C. 9 महीने9 months
Identify the concept: this is a basic fact about gestation period.
Human gestation period is about 9 months.
Exam tip: remember human pregnancy as roughly 9 months.
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What is the birth process called in biology?
A. Parturition
Identify the concept: this is childbirth term.
The process of birth of baby is called parturition.
Exam tip: remember parturition means birth.
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Which hormone stimulates uterine contractions during parturition?
A. Oxytocin
Identify the concept: this is hormone of parturition.
Oxytocin stimulates strong contractions of the uterus.
Exam tip: remember oxytocin as birth contraction hormone.
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What is the process of milk production called?
A. Lactation
Identify the concept: this is function of mammary glands.
Milk production by mammary glands after childbirth is called lactation.
Exam tip: lactation means milk production.
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A. Antibodies
Identify the concept: this is about first milk.
Colostrum is rich in antibodies and gives immunity to the newborn.
Exam tip: remember colostrum as first immunity milk.
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