EASY
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Describe the structure of a embryo sac?

Important Questions on Reproduction - The generating system

MEDIUM
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants

How does the embryo get nourishment inside the mother's body?

HARD
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants

The diagram given below is that of a developing human foetus.
Answer the questions that follow:

Question Image

(i) Label the parts numbered 1 to 3 in the diagram.

(ii) Mention any two functions of the part labelled 2 in the diagram.

(iii) Explain the significance of part number 3 in the diagram.

(iv) Define the term ‘Gestation’. What is the normal gestational period of the developing embryo?

(v) Mention the sex chromosomes in a male and female embryo.

MEDIUM
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
Describe in brief the structure and function of placenta.
MEDIUM
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
State the role of (a) placenta and (b) umbilical cord in the development of the fetus.
MEDIUM
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
What causes the delivery of child from mother’s uterus?
EASY
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
What is the role of placenta?
HARD
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
The type of connective tissue that is associated with the umbilical cord is
MEDIUM
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
Explain the role of placenta in the development of human embryo.
HARD
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
What is meant by the gestation period? Write the gestation period of a horse in days.
EASY
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
State one important function of placenta in mammals.
MEDIUM
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
Define parturition.
EASY
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
What is the placenta? State its functions.
EASY
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
The gestation period is the time between:
MEDIUM
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
What is placenta? State its function in human female.
EASY
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
How does the growing foetus respire?
MEDIUM
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants

The following figure shows a diagrammatic view of the relationship between the blood of the mother and the foetus:Question Image

Label the structures shown by the guidelines, 1-7.


 

HARD
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
Differentiate between gestation and parturition.
MEDIUM
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
Name the substances which the foetus receives from the mother through the placenta.
EASY
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
Explain the role of placenta in the development of the human embryo.
EASY
Science>Biology>Reproduction - The generating system>Sexual Reproduction in Flowering Plants
How does the embryo get nourishment inside the mother's body?