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प्रश्न
Match the following items of Column-I with that of Column-II:
| Column-I | Column-II | ||
| (a) | Trophoblast | (i) | Embedding of blastocyst in the endometrium |
| (b) | Implantation | (ii) | Group of cells that would differentiate as embryo |
| (c) | Inner cell mass | (iii) | Embryo with 8-16 blastomeres |
| (d) | Morula | (iv) | Outer layer of blastocyst |
Choose the option that matches Column-I with Column-II correctly.
पर्याय
(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)
(a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)
(a) - (ii), (b) - (i), (c) - (iv), (d) - (iii)
(a) - (ii), (b) - (iv), (c) - (iii), (d) - (i)
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उत्तर
(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)
Explanation:
| Column-I | Column-II | ||
| (a) | Trophoblast | (iv) | Outer layer of blastocyst |
| (b) | Implantation | (i) | Embedding of blastocyst in the endometrium |
| (c) | Inner cell mass | (ii) | Group of cells that would differentiate as embryo |
| (d) | Morula | (iii) | Embryo with 8-16 blastomeres |
The blastocyst's outer layer, known as the trophoblast, subsequently aids in the development of the placenta. The procedure by which the blastocyst embeds itself in the uterine endometrium for continued development is known as implantation. A collection of cells inside the blastocyst that eventually differentiate into the embryo proper makes up the inner cell mass. Before the blastocyst stage, the zygote cleaves to generate the morula, an early-stage embryo made up of 8–16 blastomeres.
