What Is Implantation

Q.

The stage of development at which implantation occurs in human female is

1. Morula

2. Zygote

3. Blastocyst

4. Neurula

Q.

Process in which the blastocyst gets attached to the walls of the uterus

1. Gestation

2. Implantation

3. Fertilisation

4. Parturition

Q.

What is implantation?

Q.

In female, after how much time after fertilisation, does the fertilised egg get implanted in the uterine wall ?

(a) few months (b) one month

(c) three weeks (d) about seven days

Q.

Write short notes on Gestation.

Q.

What is the function of the uterus?

Q. Pregnancy begins with implantation of

1. Fertilized ovum
2. Embryo
3. Blastopore
4. Blastocyst

Q. Zygote divides to form _______ which is implanted in uterus.

Q. The attachment of the embryo to the wall of uterus is called as .

1. fission
2. implantation
3. fusion

Q.

Pregnancy begins with implantation of_____

1. Embryo

2. Fertilized ovum

3. Blastocyst

4. Blastopore

Q. The attachment of the embryo to the wall of uterus is called as .

1. implantation
2. fission
3. fusion

Q.

Copy and complete the following by filling in the blanks 1 to 5 with appropriate words.
The human female gonads are ovaries. A maturing egg in the ovary present in a sac of cells called______________(a). As the egg grows larger, the follicle enlarges and gets filled with a fluid and is now called as ________________(b) follicle. The process of releasing the egg from the ovary is called ____________(c). The ovum is picked up by oviduct finally and fertilization takes place in the ______________(d). In about a week the blastocyst gets fixed in the endometrium of the uterus and this process is called _______________(e).

Q. The attachment of the embryo to the wall of uterus is called as .

1. fission
2. implantation
3. fusion

Q. The attachment of the embryo to the wall of uterus is called as .

1. fusion
2. fission
3. implantation

Q. Define fertilisation and implantation.

Q. In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is

1. Ovum
2. Embryo
3. Blastocyst
4. Zygote

Q. The attachment of the embryo to the wall of uterus is called as .

1. implantation
2. fusion
3. fission

Q.

Choose the correct option with respect to the assertion and reason given.

Assertion [A]: Blastocyst burying itself within the uterine wall is known as implantation.

Reason [R]: Zona pellucida prevents the embryo from attaching to the wall of fallopian tube.

1. [A] is true and [R] is false.

2. [A] is false and [R] is true .

3. Both [A] and [R] are true and [R] is a correct explanation to [A].

4. Both [A] and [R] are true but [R] is not a correct explanation to [A].

Q. Define fertilisation and implantation.

Q.

Choose the correct option with respect to the assertion and reason given.

Assertion [A]: Blastocyst burying itself within the uterine wall is known as implantation.

Reason [R]: Zona pellucida prevents the embryo from attaching to the wall of fallopian tube.

1. [A] is true and [R] is false.

2. [A] is false and [R] is true .

3. Both [A] and [R] are true and [R] is a correct explanation to [A].

4. Both [A] and [R] are true but [R] is not a correct explanation to [A].

Q.

The stage of development at which implantation occurs in human female is

1. Morula

2. Zygote

3. Blastocyst

4. Neurula

Q. The attachment of the embryo to the wall of uterus is called as .

1. fusion
2. implantation
3. fission

Q.

The stage of development at which implantation occurs in human female is

Q.

Pregnancy begins with implantation of_____

1. Embryo

2. Fertilized ovum

3. Blastopore

4. Blastocyst

Q. The process of attachment of blastocyst in the endometrium of uterus is known as

1. Placentation
2. Gestation
3. Implantation
4. Cleavage

Q. The attachment of the embryo to the wall of uterus is called as .

1. implantation
2. fission
3. fusion