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प्रश्न
Choose the correct answer:
The aim of sexual reproduction _________
पर्याय
over production
continuity of race
low production
none
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उत्तर
The aim of sexual reproduction continuity of race
APPEARS IN
संबंधित प्रश्न
Write the functions of the following organs of reproduction:
a. Ovaries
b. Seminal vesicle and prostate glands
How many pairs of chromosomes are present in human beings? Out of these how many are sex chromosomes?
Give technical terms for Thin walled sac of skin which covers the testes
Given below are diagrams showing the different stages in the process of fertilisation of an egg. in the human female reproductive tract.
Study the diagrams and answer the questions:
1) Arrange the letters given below each diagram in a logical sequence to show the correct order in the process of fertilisation.
2) Where does fertilisation normally take place? and What is ‘Implantation’ that follows fertilisation?
3) Mention the chromosome number of the egg and zygote in humans.
4) Explain the term ‘Gestation’. How long does Gestation last in humans?
5) Draw a neat, labelled diagram of a mature human sperm.
What are the organs in humans which produce the gametes?
What are the male sex cells in humans called?
How long does a human baby take to develop before birth?
In humans, sperm production occurs in the organ ______.
The vagina is a muscular tube.
Give appropriate term of the following:
The onset of reproductive phase in a young female.
