Question

Choose the correct answer from each of the four options given below-

The technical term for the fertilized egg is -

• A. Placenta
• B. Zygote
• C. Morula
• D. Blastula

Answer 1

The correct option is B

Zygote

The correct option is B.

Explanation of correct option:

1. Fertilisation is the process of fusion of male and female gametes that leads to the formation of a zygote.
2. Fertilised egg is referred to as a zygote.

Explanation of incorrect options:

Option A:

1. The placenta is a spongy disc-shaped structure that connects the fetus to the uterine wall.
2. It consists of numerous villi that increase the surface area for the exchange of materials.

Option C:

1. The morula is a solid mass of blastomeres that is a result of multiple cleavages occurring in the fertilized egg or zygote.
2. It consists of about 8 to 16 cells.

Option D:

1. The blastula is a hollow sphere of cells observed during the early stages of development.
2. It comprises about 100 cells.

Final answer: The technical term for the fertilized egg is the zygote.