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प्रश्न
Draw a diagram of the longitudinal section of a flower and label the following parts.
Draw a labelled diagram of the longitudinal section of a flower.
Draw a well-labelled diagram of the longitudinal section of a flower.
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उत्तर १
Longitudinal section of a flower:
उत्तर २
Longitudinal section of flower
संबंधित प्रश्न
How does fertilisation occur in flowers? Name the parts of the flower that develop into (i) seed, and (ii) fruit after fertilisation.
Name and differentiate between the two modes of pollination in flowering plants.
A flower may have either male or female reproductive parts. Such a flower is called ______.
Explain what you understand by sexual reproduction.
The reproductive part of a plant is the ______.
The process of fusion of the male and female gametes is called ______.
Name the swollen lower part of the carpel.
What is the name of female part of a flower?
Where is the female gamete formed in flowering plants?
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the following blank with suitable word :
The female organ of reproduction in the flower is the...........
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'
Give some examples of different modes of fertilisation in nature?
What type of plants reproduce by sexual reproduction method?
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the female gamete?
Describe the process of fertilisation in a flower with the help of labelled diagrams.
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
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
Mention the function of Anther.
Mention the function of Stigma.
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 exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
In the figure, the parts marked A, B and C are sequentially:
(A) Plumule, Radicle and Cotyledon
(B) Radicle, Plumule and Cotyledon
(C) Plumule, Cotyledon and Radicle
(D) Radicle, Cotyledon and Plumule
Sketch the labelled diagram.
Flower with its sexual reproductive organs.
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
What is meant by pollination?
Answer the following question.
List two agents of pollination?
Find the odd one out:
Pollen grains are formed by _________ division in locules of anthers.
Accessory whorls : Calyx and corolla : : essential whorls : ______________
What does germination mean?
Write the functions of sepals
Explain the sexual reproduction process in plants with a diagram.
Where does the endothecium layer of anther lobes is present?
The ovule of an angiosperm is technically equivalent to ______
Pineapple fruit develops from ______.
Conidia are formed endogenously while zoospores are formed endogenously.
The flower of the Hibiscus plant is ______
Variations occur as a result of ______
Complete the table
| Carly x | ______ | ______ |
| ______ | petal | attract insects |
| Androecium | ______ | Male reproductive part |
| ______ | ______ | Female reproductive part. |
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
Where is the zygote located in the flower after fertilization?
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
State the number of sets of chromosomes present in a zygote.
Double fertilization is essential for formation of ______.
Double fertilization means ______.
In a plant flower the female whorl is ______.
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
What is puberty?
The pollen tube usually enters the embryo sac ______.
