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प्रश्न
What is the function of a flower?
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उत्तर
The function of a flower is to carry out sexual reproduction in plants through the formation of male and female gametes. Flowers ensure that the gametes fertilise to form seeds that further help in reproducing plants.
APPEARS IN
संबंधित प्रश्न
Name the parts A, B and C shown in the diagram and write their functions.
Explain what you understand by sexual reproduction.
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
In what ways is fertilisation in a plant different from fertilisation in a human?
Fill in the blank by selecting suitable word:
A flower bearing only male or female parts is known as __________ flower.
State whether the following statement is true (T) or false (F):
Flowers which possess stamens and carpel are called unisexual.
Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
Describe an activity to demonstrate phototropism.
What does germination mean?
What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
The flower of the Hibiscus plant is ______
Complete the table
| Carly x | ______ | ______ |
| ______ | petal | attract insects |
| Androecium | ______ | Male reproductive part |
| ______ | ______ | Female reproductive part. |
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
State the number of sets of chromosomes present in a zygote.
Sketch and label the essential and accessory whorls of flower.
Triple fusion involves ______.
The pollen tube usually enters the embryo sac ______.
Given below is a diagram of a germinating seed. Label the parts that:
- gives rise to future shoot.
- gives rise to future root system.
- stores food.
