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प्रश्न
Give two differences between a zygote and a foetus.
उत्तर
| Zygote | Foetus |
| It is a fertilised egg formed after the fusion of the sperm with the egg. | It is a stage of the embryo that shows all the main recognisable body parts of a mature organism. |
| The zygote divides several times to form an embryo. | An embryo gradually develops into a foetus. |
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संबंधित प्रश्न
What is meant by sexual reproduction?
Define Senescent phase.
Higher organisms have resorted to sexual reproduction in spite of its complexity. Why?
In which sort of reproduction are gametes involved?
The figure given alongside shows the human male reproductive organs. Which structures make sperms and seminal fluid?
(a) V makes sperms and X makes seminal fluid
(b) W makes sperms and Y makes seminal fluid
(c) X makes sperms and W makes seminal fluid
(d) Y makes sperms and V makes seminal fluid
Meiosis is an essential event in the sexual life cycle of any organism. Give two reasons.
In the sexual mode of reproduction, greater diversities are generated.
What are the different stages of sexual reproduction?
Enumerate the differences between asexual and sexual reproduction. Describe the types of asexual reproduction exhibited by unicellular organisms.
