Morula is a solid ball of cells during early embryonic development and consists of:

1. 4 – 8 cells 2. 8 – 16 cells
3. 24 – 30 cells 4. 60 – 72 cells
Subtopic:  Implantation |
 92%
From NCERT
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The trophoblast cells of the blastocyst form:

1. Embryo 2. Umbilical cord
3. Placenta 4. Teratoma
Subtopic:  Implantation |
 65%
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Implantation in humans occurs at the stage of:

1.  Zygote 2.  Morula
3.  Blastocyst 4.  Gastrula

Subtopic:  Implantation |
 86%
From NCERT
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Study the given diagram and select the correct statements:
Statement I: (a) is released from the ovary during ovulation and has a secondary oocyte.
Statement II: (b), (c), and (d) show cleavage divisions, and (e) is morula.
Statement III. (g) is blastocyst and (h) shows implantation.
 
1. Only Statement I
2. Only Statement I and Statement III
3. Only Statement II and III
4. Statement I, Statement II and Statement III
Subtopic:  Implantation |
 68%
From NCERT
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The fetus develops limbs by the end of:

1. One month of pregnancy

2. Two months of pregnancy

3. First trimester of pregnancy

4. Second trimester of pregnancy

Subtopic:  Implantation : Part 1 | Implantation : Part 2 | Implantation |
 58%
From NCERT
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