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प्रश्न
Identify the odd. Stigma, Style, Pollen, Ovary.
उत्तर
Pollen (Remaining are parts of gynaecium)
APPEARS IN
संबंधित प्रश्न
The anther contains ______.
The fusion of male and female gametes is termed as ______.
Explain what you understand by sexual reproduction.
How does the process of fertilisation take place in flowers?
The reproductive part of a plant is the ______.
Where are a plant's sex organs located?
What is the name of female part of a flower?
Where is the female gamete formed in flowering plants?
What is made in ovary of a flower?
How is the process of pollination different from fertilization?
Explain the term 'fertilisation'.
Name the part of a seed which grows into root.
What changes take place in the flower after fertilisation which lead to the formation of seeds and fruit?
Which among the following statements are true for unisexual flowers?
(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross pollination
(iv) Unisexual flower possessing only stamens cannot produce fruits
(a) (i) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (i), (iii) and (iv)
In what ways is fertilisation in a plant similar to fertilisation in a human?
Fill in the blank by selecting suitable word:
A flower bearing only male or female parts is known as __________ flower.
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
Mention the function of Stigma.
Identify A, B, C and D in the given diagram and write their names.
(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.
Explain sexual reproduction in plants.
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
Pollen grains are formed by _________ division in locules of anthers.
Find an odd one out.
Accessory whorls : Calyx and corolla : : essential whorls : ______________
Give scientific reason.
Fertilization in plants is called double fertilization.
Identify the parts A, B, C, and D?
Antipodal cells are present towards the ______ in an anatropous ovule.
Which type of development is observed in male gametophytes of plants?
The 3-celled egg apparatus at the micropylar end comprises of ______
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 seed that contains the future plant is called the ______
Where is the zygote located in the flower after fertilization?
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
What is puberty?
Type of sexual reproduction is ______.
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
 |
 |
 |
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
