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प्रश्न
In a plant flower the female whorl is ______.
पर्याय
Corolla
Calyx
Androecium
Gynoecium
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उत्तर
In a plant flower the female whorl is Gynoecium.
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संबंधित प्रश्न
Name the parts A, B and C shown in the diagram and write their functions.
What is pollination?
Mention the changes a flower undergoes after fertilisation.
The fusion of male and female gametes is termed as ______.
Explain what you understand by sexual reproduction.
Sketch the reproductive parts of a flower.
The process of fusion of the male and female gametes is called ______.
Name the swollen lower part of the carpel.
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
What is made in anther of a flower?
Name the part of a seed which grows into shoot.
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
One of the following occurs in the reproductive system of flowering plants as well as that of humans. This is :
(a) vas deferens
(b) anther
(c) ovary
(d) style
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
The flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops which lie just inside the ring of petals.
(a) Name A. What are the various parts of A?
(b) Which part of A contains gametes?
(c) Name B. What is the swollen top of B known as?
(d) What does the swollen top of b contain?
(e) Out of A and B, which one is (i) male part, and (ii) female part of the flower?
Fill in the blank by selecting suitable word:
A flower bearing only male or female parts is known as __________ flower.
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
Fill in the blank:
Seeds are formed from________.
Mention the function of Anther.
What part is played by stamens and carpels in reproduction?
Identify A, B, C and D in the given diagram and write their names.
A student is observing the temporary mount of a leaf peel under a microscope. Draw a labelled diagram of the structure of stomata as seen under the microscope
Differentiate between self-pollination and cross-pollination.
What is meant by pollination?
Answer the following question.
List two agents of pollination?
Pollen grains from anther are transferred to the stigma.
What does germination mean?
Observe the figure below. Write functions of the labelled parts.
Match the following
| 1. | Petal | Opuntia |
| 2. | Fern | Chrysanthemum |
| 3. | Phylloclade | Attracts insect |
| 4. | Hooks | Spore |
| 5. | Sucker | Bignonia |
The essential parts of a flower are ______.
Which type of development is observed in male gametophytes of plants?
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 ______.
The flower of the Hibiscus plant is ______
Pollen grains are produced by ______
Variations occur as a result of ______
State the post-fertilisation changes that lead to fruit formation in plants.
