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प्रश्न
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
उत्तर
Diagram of pistil showing formation of pollen tube
संबंधित प्रश्न
What is made in ovary of a flower?
The length of pollen tube depends on the distance between :
(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style
Draw a labelled diagram of a bisexual flower.
You have to perform the experiment, "To identify the different parts of an embryo of a gram seed." Describe the procedure that you would follow.
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Draw a diagram of the longitudinal section of a flower and label the following parts.
Accessory whorls : Calyx and corolla : : essential whorls : ______________
Identify the female gametophyte in angiosperms.
In a flowering plant, archesporium gives rise to ______.
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
