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प्रश्न
Find an odd one out.
पर्याय
Stigma
Style
Pollens
Ovary
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उत्तर
Pollens
APPEARS IN
संबंधित प्रश्न
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
State significance of pollination.
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
A flower may have either male or female reproductive parts. Such a flower is called ______.
The reproductive part of a plant is the ______.
Name the male part of the flower.
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
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?
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
In the figure given alongside, the parts marked A, B and C are sequentially:
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
In what ways is fertilisation in a plant similar to fertilisation in a human?
Fill in the blank:
Seeds are formed from________.
Draw a labelled diagram of a bisexual flower.
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 a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
Distinguish between unisexual and bisexual flowers giving one example of each. Draw a diagram showing process of germination of pollen grains on stigma and label the following parts:
(a) Female germ cell
(b) Male germ cell
(c) Ovary
List any two differences between pollination and fertilization.
Answer the following question.
How does suitable pollination lead to fertilization?
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
What does germination mean?
Give scientific reason.
Fertilization in plants is called double fertilization.
Draw a neat and labelled diagram.
Double fertilization in angiosperms
Explain the sexual reproduction process in plants with a diagram.
The anther wall consists of four wall layers where ______
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?
Pineapple fruit develops from ______.
Conidia are formed endogenously while zoospores are formed endogenously.
The seed that contains the future plant is called the ______
In human beings, fertilization occurs in the ______
Complete the table
| Carly x | ______ | ______ |
| ______ | petal | attract insects |
| Androecium | ______ | Male reproductive part |
| ______ | ______ | Female reproductive part. |
Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages?
Double fertilization is essential for formation of ______.
Type of sexual reproduction is ______.
State the post-fertilisation changes that lead to fruit formation in plants.
