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प्रश्न
Which of the following is the correct sequence of events of sexual reproduction in a flower?
(a) pollination, fertilisation, seed, embryo
(b) seed, embryo, fertilisation, pollination
(c) pollination, fertilisation, embryo, seed
(d) embryo, seed, pollination, fertilisation
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उत्तर
(c) pollination, fertilisation, embryo, seed
The pollens are transferred to the stigma by pollination, the gametes then fuse and under go fertilisation to form the zygote which develops into an embryo and, then, into a seed.
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संबंधित प्रश्न
State the function of flowers in the flowering plants.
Mature ovary forms the ______.
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
Name the part of a seed which grows into root.
What is pollination? How does pollination occur?
Fill in the blank by selecting suitable word:
A flower that bears both the male and the 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.
Mention the function of Stigma.
Identify A, B, C and D in the given diagram and write their names.
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
What is meant by pollination?
Find the odd one out:
Pollen grains from anther are transferred to the stigma.
Distinguish between self-pollination and cross-pollination.
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
How many middle layers are generally present in the wall of the anther lobes?
Which type of development is observed in male gametophytes of plants?
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
