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प्रश्न
Fill in the blank.
In humans, sperm production occurs in the organ ----------------.
उत्तर
In humans, sperm production occurs in the organ testes.
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संबंधित प्रश्न
How many pairs of chromosomes are present in human beings? Out of these how many are sex chromosomes?
The pituitary hormone which stimulates contraction of uterus during child birth.
Differentiate between Sperm duct and fallopian rube (function)
Where does a fertilised ovum develop into a baby in the human body?
Fill in the following blank with suitable word :
The menstrual cycle is controlled by.............
What are the male and female gonads in human beings? Mention their functions.
What is puberty? Who attains puberty at an earlier age in human beings : male or female (boy or girl)?
Which structure in human female is equivalent to the testes in the male?and in what respect the structures are equivalent?
What changes are seen in boys at the time of puberty?
Draw a labelled diagram of the human female reproductive system. With the help of this diagram, explain the working of human female reproductive system.
What is ovulation? How often does it happen in human females?
In a flower, the parts that produce male and female gametes are respectively :
(a) sepal and anther
(b) filament and stigma
(c) anther and ovary
(d) stamen and style
In human males, the testes lie in the scrotum outside the body because it helps in the
(a) process of mating
(b) formation of sperms
(c) easy transfer of sperms
(d) all the above
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
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?
In humans, the fertilization takes place in:
Explain how the transmission of virus and bacteria diseases be prevented?
Describe in brief the role of ureter in human male reproductive system.
Explain how the sex of the child is determined at the time of conception in human beings.
Choose the correct answer:
Fertilization occurs in _____________
Complete the following statement by choosing the correct alternative:
Sterilization in female is due to cutting off of ______.
Give the function of the following:
Uterus
Answer the following question.
What is contraception? List three advantages of adopting contraceptive measures.
What is sexual reproduction? What are its essential features?
Rewrite the following terms in a correct and logical sequence:
The luteal phase, follicular phase, menstrual phase, ovulatory phase.
Differentiate on the basis of what is indicated in brackets :
The prostate gland and Cowper’s gland (the nature of secretion)
Differentiate
Sexual Reproduction and Asexual Reproduction.
The below diagram is of a developing embryo is a mother’s womb:
(i) Write the functions of the placenta, amnion, and umbilical cord.
(ii) How are the waste products of a fetus removed?
(iii) What is the gestation period?
Name the Following
What does this abbreviation stand for FSH?
Name the Following
What does this abbreviation stand for IUD?
Choose the Odd One Out:
Choose the Odd One Out:
Choose the Odd One Out:
Multiple Choice Question:
What will happen if the temperature of the scrotal sacs temporarily goes to about 2°C lower than body temperature?
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for ______.
Distinguish between Vasa efferentia and Vasa deferentia.
