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प्रश्न
Describe in brief the role of prostate gland in human male reproductive system.
उत्तर
Prostate glands: It produces an alkaline fluid (prostatic fluid), which is a constituent of the semen. The prostatic fluid provides motility, longer survival period (neutralizes the acidic environment of the female reproductive tract) and protection to sperms.
संबंधित प्रश्न
Explain the process of birth in human beings.
List any four methods of contraception used by humans. State in brief two advantages of adopting such preventive methods.
The diagram given below is that of a developing human foetus. Study the diagram and then answer the questions that follow:
(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 the part numbered 3 in the diagram.
(iv) Define the term ‘Gestation’. What is the normal gestational period of the developing human embryo?
(v) Mention the sex chromosomes in a male and female embryo.
The structure formed by the villi of the embryo and the uterus of the mother.
Which part of the human body produces ova?
Fill in the following blank with suitable word :
The menstrual cycle is controlled by.............
What is placenta? What is its function?
In human females, an event that indicates the onset of reproductive phase is :
(a) growth of body
(b) change in hair pattern
(c) change in voice
(d) menstruation
Which one of the following statements about human sperm is correct?
