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प्रश्न
Pollen tube was discovered by
विकल्प
J.G.Kolreuter
G.B.Amici
E.Strasburger
E.Hanning
उत्तर
G.B.Amici
APPEARS IN
संबंधित प्रश्न
Fill in the blanks with suitable words.
Transference of pollen grains from anthers to stigma of the same flower is called ________.
What happens to the following after fertilization?
Stamens
Do you think fruits are important for the plant?
Match the following
| I) | External fertilization | i) | pollen grain |
| II) | Androecium | ii) | anther wall |
|
III) |
Male gametophyte | iii) | algae |
| IV) | Primary parietal layer | iv) | stamens |
Assertion: Sporopollenin preserves pollen in fossil deposits
Reason: Sporopollenin is resistant to physical and biological decomposition
Which of the following represent megagametophyte
By which of the following double fertilization is exhibited?
In ______ sepal is seen on the fruit after fertilization.
All the events from pollen deposition on the stigma until pollen tubes enter the ovules are together referred to as ______.
Select the option that shows the correctly identified 'U', 'X', 'Y' and 'Z' in a developing dicot embryo.
