NEET Zoology Pregnancy MCQ Question
Which of the following statements about pregnancy and embryonic development are correct?
The blastocyst embeds in the endometrium after implantation, leading to pregnancy.
The inner cell mass of the blastocyst forms the trophoblast layer.
Fetal heart formation is the first sign of development noticed after one month of pregnancy.
The three germ layers formed during embryonic development are ectoderm, endoderm, and mesoderm.
Correct Answer
Detailed Explanation
Statement A is correct as it describes the process of implantation leading to pregnancy. Statement B is incorrect because the trophoblast layer forms the outer layer, not the inner cell mass. Statement C is partially correct; the heart begins to form after one month, but this is not the only sign of development. Statement D is correct as these layers do form during embryonic development.
Found an issue with this question?
Related Questions
More from
Match the following and choose the correct options:
The process of release of ovum from a mature follicle is called _____________.
Assertion (A): The acrosome of a sperm is crucial for fertilisation. | Reason (R): The acrosome contains enzymes that facilitate the penetration of th...