NEET Biology question
Read the following statements carefully and select the correct statements. (i) Relaxin is secreted from the anterior pituitary in the later phase of pregnancy. (ii) Fetus shows movement for the first time in the 7th month of pregnancy. (iii) Signal for parturition comes from the fully developed fetus and placenta. (iv) Embryo's heart is formed by the 3rd month of pregnancy.
Answer: (B)
Solution
Relaxin is secreted by the ovary/placenta, not the anterior pituitary (so (i) is false); foetal movements are typically first felt around the fourth-fifth month, not the seventh (so (ii) is false); the embryonic
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