Find the correct statements: A. In human pregnancy, the major organ systems are formed at the end of 12 weeks. B. In human pregnancy, the major organ systems are formed at the end of 8 weeks. C. In human pregnancy heart is formed after one month of gestation. D. In human pregnancy, limbs and digits develop by the end of second month. E. In human pregnancy the appearance of hair is usually observed in the fifth month. Choose the correct answer from the options given below: (NEET 2025)
Answer: (B) A, C, D and E only. Answer: (B) A, C, D and E only Solution: Per NCERT, by the end of 12 weeks (first trimester) most major organ systems are formed (A true; B, which says 8 weeks, is false).
- A.B, C, D and E only
- B.A, C, D and E only✓
- C.A and E only
- D.B and C only
Correct Answer
(B) A, C, D and E only
Solution & Explanation
Answer: (B) A, C, D and E only Solution: Per NCERT, by the end of 12 weeks (first trimester) most major organ systems are formed (A true; B, which says 8 weeks, is false). The heart forms after one month of pregnancy (C true), limbs and digits develop by the end of the second month (D true), and the appearance of hair on the head occurs in the fifth month (E true). Hence the correct statements are A, C, D and E, matching option B. NCERT Reference: Ch 2, p.38, line 15 — "end of 12 weeks (first trimester), most of the major organ systems are"