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Biology Question 123 – NEET-UG 2025

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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 :
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Ninja Strategy•Trimester Milestone Check

Recognize that statements A and B are mutually exclusive. The 12-week (first trimester) milestone for organ system formation is a key fact, making A correct and B incorrect, which instantly eliminates options (2) and (3).