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प्रश्न
Give the names:
Any two sexual diseases.
Name any two sexual diseases.
Write the name of any one sexual disease.
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उत्तर
Sexual diseases are syphilis and gonorrhoea.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Suggest three contraceptive methods to control the size of human population, which is essential for the health and prosperity of a country. State the basic principle involved in each.
Write the function of the following part in a human female reproductive system:
Fallopian tube
Why are testes located outside the abdominal cavity? What is responsible for bringing about changes in appearance seen in boys at the time of puberty?
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
Give biological explanations for All the food chains begin with green plants.
Which structure in human female is equivalent to the vas deferens in the male?and in what respect the structures are equivalent?
In human males, the testes lie in the scrotum outside the body because it helps in the ______.
When a human female reaches a certain age then vaginal bleeding occurs for a few days after regular time intervals.
(a) What is this process known as (i) in scientific terms, and (ii) in everyday language?
(b) At what approximate age this process starts in human females? When is the human female said to have attained at this stage?
(c) After how much time is this process repeated? For how many days does this process usually last?
(d) What does the onset of this process in human females signify?
(e) At which particular event in the life of a human female does this process stop temporarily but start again?
(f) At which approximate age of human female does this process stop permanently?
Draw a sectional view of human female reproductive system and label the following parts :
(i) Where the development of egg occurs.
(ii) Where fertilization takes place.
Choose the correct answer:
The aim of sexual reproduction _________
Choose the correct answer:
When pregnancy does not occur, the life of corpus luteum is about _____________
Define the following:
Gestation
Define the following:
Implantation
Define the four stages in the uterine cycle.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A zygote is the product of the fusion of male and female gametes.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Acrosome
(ii) Ovulation (iii) Sperm (iv) Menopause (v) Implantation (vi) Fertilization (vii) Contraception in males |
(a) Male gamete
(b) Oviduct (c) Uterus (d) Spermatozoa (e) Progesterone (f) Stoppage of the menstrual cycle (g) Sudden change in genes |
Reproductive organs are also considered endocrine glands.
Match Columns I and II and select the correct option.
| Columns I | Columns II | ||
| i. | Transfer of sperms in the female genital tract. | a. | Gestation |
| ii. | Delivery of baby | b. | Fertilization |
| iii. | Fusion of male and female gamete. | c. | Parturition |
| iv. | Formation of sperms and ovum | d. | Insemination |
| e. | Gametogenesis |
Which of the following is an example of a secondary sexual characteristic in humans?
