Advertisements
Advertisements
प्रश्न
Fill in the blank by selecting suitable word:
Transfer of pollen grains from the anther to the stigma is known as______________.
पर्याय
unisexual
fertilisation
fruit
stamen
anther
bisexual
pollination
seed
ovary
उत्तर
Transfer of pollen grains from the anther to the stigma is known as pollination.
APPEARS IN
संबंधित प्रश्न
Explain what you understand by sexual reproduction.
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the following blank with suitable word :
The name of the structure in the flower in which the male gamete is formed is...........
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
Identify the odd. Stigma, Style, Pollen, Ovary.
Answer the following question.
How does suitable pollination lead to fertilization?
Draw a neat and labelled diagram.
Double fertilization in angiosperms
In a flowering plant, archesporium gives rise to ______.
Which among the following statements are true for unisexual flowers?
- They possess both stamen and pistil
- They possess either stamen or pistil
- They exhibit cross pollination
- Unisexual flowers possessing only stamens cannot produce fruits
