Human Reproduction - Online Test
Q1. The process of delivery of the foetus is called
Answer : Option B
Explaination / Solution:
The process of delivery of fully developed foetus at the end of pregnancy period is called Parturition. The middle wall of uterus undergoes rigorous contraction to release baby through birth canal.
Q2. Signal of parturition originate from
Answer : Option C
Explaination / Solution:
The signal of parturition (labour pain) originates from the placenta and movement of foetus. Some hormones like oxytocin generates ejection reflex for parturition.
Q3. Hormone responsible for milk ejection after the birth of baby is:-
Answer : Option D
Explaination / Solution:
Lactiferous glands present inside the mammary gland start producing milk due to release of hormone oxytocin from pituitary glands.
Q4. Phenomenal and rapid increase of population in a short period is called
Answer : Option C
Explaination / Solution:
Rapid increase of population in a short period of time is called population explosion. It can be checked by using contraceptive methods.
Q5. Which one is called pregnancy hormone
Answer : Option D
Explaination / Solution:
progesterone is called pregnancy hormone because it helps in maintaining pregnancy.
Q6. Foetal ejection reflex in human female is induced by
Answer : Option D
Explaination / Solution:
When baby developing within the uterus fully developed, foetal ejection reflex is induced for parturition of the baby through birth canal. Foetal ejection reflex is induced by hormone oxytocin released from pituitary glands.
Q7. The yellowish coloured milk secreted from the breast shortly after birth of the baby is called
Answer : Option B
Explaination / Solution:
After parturition, mammary glands start producing milk. The yellowish coloured milk is called colostrums. This milk contains antibodies that provide immunity to newly born baby.
Q8. Mother’s milk during initial days of lactation is rich in …….. Antibodies.
Answer : Option C
Explaination / Solution:
After the birth of child, lactation starts in the mammary glands. The milk released in initial few days is called colostrum. Colostrum contains IgA antibodies that provide immunity to disease.
Q9. Several memory ducts joins to form wider memory ampulla which is connected to
Answer : Option B
Explaination / Solution:
Several memory ducts join to form wider memory ampulla which is connected to lactiferous ducts through which milk is sucked out.
Q10. At the end of pregnancy, expulsion or delivery of foetus takes place due to
Answer : Option A
Explaination / Solution:
Expulsion or delivery of foetus takes place due to vigorous contraction of uterus at the end of pregnancy. Oxytocin hormone released from pituitary glands causes stronger contraction to cause expulsion of foetus.
