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Zoology · Human Reproduction

NEET (UG) 2025 — Question 115

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:

  1. Option A:

    A and E Only

  2. Option B:

    B and C Only

  3. Option C:

    B, C, D and E Only

  4. Option D:

    A, C, D and E Only

    Correct

Answer: D

Step-by-step solution

During human pregnancy, the heart is formed by the end of the first month (statement C is correct). By the end of the second month, limbs and digits are well developed (statement D is correct). Major organ systems are formed by the end of the 12th week (statement A is correct; statement B is incorrect because 8 weeks is too early). Appearance of hair is usually observed in the fifth month (statement E is correct). Thus, the correct statements are A, C, D and E, so the answer is D.

Answer key and solution verified before publishing.

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Exam
NEET (UG) 2025
Paper
2025 paper
Subject
Zoology
Chapter
Human Reproduction
Topic
Pregnancy and Embryonic Development

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