Question

The attachment of the embryo to the uterus wall is called

• A. fertilisation
• B. implantation
• C. gestation
• D. germination

Answer 1

The correct option is B

implantation

The correct option is B, implantation

Explanation of correct option-

1. After fertilization, the zygote divides and forms the embryo.
2. Implantation is the natural way of fixing the embryo on the uterine wall.

Explanation of incorrect option

Option A-

1. Fertilization is the process in which the male nucleus fuses with the female nucleus to form a zygote.
2. The zygote grows into an embryo.

Option C-

1. The full term of the development of an embryo in the uterus is called gestation.
2. The gestation period in humans is 280 days.

Option D-

1. Germination is the process in which a new plant is developed from seed.
2. The process of germination takes place in various steps and under favorable conditions.

Final answer: The attachment of the embryo to the uterus wall is called implantation.