Advertisements
Advertisements
प्रश्न
The diagram shown below is the longitudinal section of a testis of man. Study it carefully and answer the questions that follow
(i) Label the parts numbered 1 to 3 in the diagram.
(ii) In which part of the testis are the sperms produced?
(iii) State the functions of the parts labelled 1 and 3 in the diagram.
Advertisements
उत्तर
(i) 1 – Scrotum, 2 – Vas deferens, 3 – Epididymis
(ii) Sperms are produced in seminiferous tubules.
(iii) 1 (Scrotum) – Provides lower temperature than the actual body temperature which is required for the production and survival of sperms.
2 (Vas deferens) – Carries sperms from the epididymis to the urethra.
3 (Epididymis) – Sperms mature and are stored.
APPEARS IN
संबंधित प्रश्न
State its functions in case of a pregnant human female.
What are the different methods of contraception?
State the exact location of the Proximal convoluted tubule.
Which structure in human female is equivalent to the penis in the male?and in what respect the structures are equivalent?
Explain why, fertilisation is possible if mating takes place during the middle of menstrual cycle.
Fertilisation results immediately in the formation of ______.
List two changes observed in girls at the time of puberty.
In male and female reproductive system of human, ______ gland is same.
Pollen grains are formed by ______ division in locules of anthers.
Consider the following:
- The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis.
- The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females.
- The first polar body is associated with the formation of the primary oocyte.
- Luteinising Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding.
Choose the correct answer from the options given below:
