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प्रश्न
Find an odd one out.
पर्याय
Hibiscus
Papaya
Sun-flower
Rose
Mango
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उत्तर
Papaya
APPEARS IN
संबंधित प्रश्न
Name the parts A, B and C shown in the following diagram and state one function of each.
Give one example of a unisexual flower.
The anther contains ______.
The fusion of male and female gametes is termed as ______.
Explain what you understand by sexual reproduction.
Name the part made up of the stigma, style and ovary.
Where are a plant's sex organs located?
What is the name of female part of a flower?
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
What type of plants reproduce by sexual reproduction method?
Name the part of a seed which contains stored food.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the female gamete?
What is meant by ‘unisexual flowers’?
What changes take place in the flower after fertilisation which lead to the formation of seeds and fruit?
In what ways is fertilisation in a plant similar to fertilisation in a human?
What is a flower ? Draw a neat labelled diagram showing the L.S. of a typical flower.
Fill in the blank:
Seeds are formed from________.
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
Draw a labelled diagram of a bisexual flower.
A student is asked to study the different parts of an embryo of pea seeds. Given below are the essential steps for the experiment :
(I) Soak the pea seeds in plain water and keep them overnight.
(II) Cut open the soaked seed and observe its different parts.
(III) Take some pea seeds in a petri dish.
(IV) Drain the excess water. Cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(A) III, I, IV, II
(B) III, IV, I, II
(C) III, I, II, IV
(D) III, II, I, IV
What is phototropism?
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
What is meant by pollination?
Pollen tube reaches the embryo sac via style.
The essential parts of a flower are ______.
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
In which part of the flower germination of pollen grains takes place?
Identify the female gametophyte in angiosperms.
Sperm and egg nuclei fuse due to ______.
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?
Double fertilization is exhibited by ______
What is the structural unit of sexual reproduction in plant?
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.
The pollen tube usually enters the embryo sac ______.
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
 |
 |
 |
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.
The number of pollen sacs in a dithecous anther is ______.
