CBSE 2025 · Region 1 · Set 1 · Q35 · 5 marks
(i)Write the functions of the following parts of human female reproductive system :(I)Ovary(II)Fallopian tube(III)Uterus(ii)State briefly two contraceptive methods used by human males.(i)Differentiate between self-pollination and cross-pollination.(ii)Identify A, B and C in the diagram given below and write one function of each.
(i)
Write the functions of the following parts of human female reproductive system :
(I)
Ovary
(II)
Fallopian tube
(III)
Uterus
(ii)
State briefly two contraceptive methods used by human males.
(i)
Differentiate between self-pollination and cross-pollination.
(ii)
Identify A, B and C in the diagram given below and write one function of each.
Marking-scheme solution
(a) (i)
(I) Ovary: Produces female gamete (egg) and female hormones(oestrogen).
(II) Fallopian tube: Site of Fertilization
(III) Uterus: Site of Implantation and embryonic development.
(ii) Methods of contraception used by males:
Mechanical barrier - Condoms
Surgical method - blocking the vas deferens in males (Vasectomy)
(b)
| Self-pollination | Cross-pollination |
| Pollen grains are transferred from stamen to the stigma of the same flower. | Transfer of pollen grains from stamen of one flower to the stigma of another flower of same species. |
(ii)
A - Stigma: Receives pollen and provides suitable environment for its germination.
B -Pollen tube: Carries males germ cells (gametes) to the female gamete situated in the ovary.
C - Egg Cell (Female germ cell): Fuses with male gamete and forms zygote.
How do Organisms Reproduce?Reproduction in Human BeingsUnderstandlong_answermedium
More from How do Organisms Reproduce?
- Select a pair of bisexual flowers from the following:2025 · asked 3×
- Draw labelled diagrams to show different stages of budding in Hydra.2025 · asked 3×
- Write one function each of the following, in a seed: (i) Seed coat (ii) Cotyledon (iii) Radicle (iv) Plumule…2025 · asked 3×
- Plants like rose and banana have lost the capacity to produce:2025 · asked 3×
- (i) Identify the parts 'X' and 'Y' in the figure given below: (ii) Name the yellowish coloured structures…2025 · asked 3×
- Match Column-I with Column-II and select the correct option from the choices provided.2025 · asked 3×
- When a girl is born, the ovaries already contain thousands of immature eggs. On reaching puberty, some of…2025 · asked 3×
- Assertion: The embryo gets nutrition from the mother's blood with the help of a special tissue called…2025 · asked 3×
CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.