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प्रश्न
Name the male part of the flower.
What is the name of the male part of a flower?
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उत्तर
The stamen is the male part of the flower.
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संबंधित प्रश्न
What is pollination?
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
State the function of flowers in the flowering plants.
Sketch the reproductive parts of a flower.
Mature ovary forms the ______.
Where are a plant's sex organs located?
What is the name of female organ of a flower (other than carpel)?
Fill in the following blank with suitable word :
Ovules contain ......... gametes of a plant.
Fill in the following blank with suitable word :
The term used to refer to the transfer of pollen from the stamen of one flower to the carpel of another flower of the same species is...........
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
Explain the terms 'self pollination'
How do the insects help in cross-pollination?
What is seed?
What is meant by ‘unisexual flowers’?
What changes take place in the flower after fertilisation which lead to the formation of seeds and fruit?
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
In what ways is fertilisation in a plant similar to fertilisation in a human?
Fill in the blank by selecting suitable word:
A flower that bears both the male and the female parts is known as __________ flower.
What are the male and female gametes in a flowering plant?
What part is played by stamens and carpels in reproduction?
Write one main difference between asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival – the one reproducing asexually or the one reproducing sexually? Give reason to justify your answer.
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.
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Describe an activity to demonstrate phototropism.
List any two differences between pollination and fertilization.
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
Answer the following question.
List two agents of pollination?
Pollen grains are formed by _________ division in locules of anthers.
Calyx : Sepals : : Corolla : ________________
Accessory whorls : Calyx and corolla : : essential whorls : ______________
Give scientific reason.
Fertilization in plants is called double fertilization.
Observe the figure below. Write functions of the labelled parts.
The male reproductive part of a flower is ______.
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
Write the events involved in the sexual reproduction of a flowering plant.
a. Discuss the first event and write the types.
b. Mention the advantages and the disadvantages of that event.
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
The ovule of an angiosperm is technically equivalent to ______
Which of the following are the chemical components of the wall of pollen tube?
The 3-celled egg apparatus at the micropylar end comprises of ______
Identify the female gametophyte in angiosperms.
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?
Flowers showing ornithophily show few characteristic like ______.
Pineapple fruit develops from ______.
The process of release of eggs from the ovary is called ______
Complete the table
| Carly x | ______ | ______ |
| ______ | petal | attract insects |
| Androecium | ______ | Male reproductive part |
| ______ | ______ | Female reproductive part. |
Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages?
Where is the zygote located in the flower after fertilization?
In a plant flower the female whorl is ______.
What are the agents for pollination?
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
Type of sexual reproduction is ______.
