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प्रश्न
Write the functions of sepals
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उत्तर
Sepals are responsible for the protection of inner whorls.
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संबंधित प्रश्न
Name the parts A, B and C shown in the diagram and write their functions.
A student has to perform the experiment "To identify the different parts of an embryo of a dicot seed." Select from the following an appropriate group of seeds:
(a) Pea, gram, wheat
(b) Red kidney bean, maize, gram
(c) Maize, wheat, red kidney bean
(d) Red kidney bean, pea, gram
State the function of flowers in the flowering plants.
The fusion of male and female gametes is termed as ______.
Mature ovary forms the ______.
State the name of the functional unit concerned with sexual reproduction.
Where are a plant's sex organs located?
What is the name of female part of a flower?
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
Fill in the following blank with suitable word :
The.......... at the base of the carpel contains egg cells.
What is made in anther of a flower?
How is the process of pollination different from fertilization?
What type of plants reproduce by sexual reproduction method?
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
The correct sequence of reproductive stages occurring in flowering plants is ______
In what ways is fertilisation in a plant different from fertilisation in a human?
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
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:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Mention the function of Flower.
Mention the function of Anther.
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.
What is phototropism?
Find an odd one out.
Bisexual : Hibiscus : : Unisexual : ___________
Explain the sexual reproduction process in plants with a diagram.
In which part of the flower germination of pollen grains takes place?
Gloriosa superba exhibits ______.
In a flowering plant, archesporium gives rise to ______.
Pineapple fruit develops from ______.
Conidia are formed endogenously while zoospores are formed endogenously.
Length of pollen tube depends on the distance between ______
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
Double fertilization is exhibited by ______
Double fertilization is essential for formation of ______.
Sketch and label the essential and accessory whorls of flower.
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
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.
