Advertisements
Advertisements
Question
What does germination mean?
Advertisements
Solution 1
Zygote utilizes food stored in endosperm of seed and a new plantlet is formed. This is called as seed germination.
Solution 2
The process through which seeds develop into seedlings is known as germination.
APPEARS IN
RELATED QUESTIONS
Name the parts A, B and C shown in the diagram and write their functions.
(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?
Name the parts A, B and C shown in the following diagram and state one function of each.
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
How does the process of fertilisation take place in flowers?
Name the swollen lower part of the carpel.
Name the male part of the flower.
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 anther of a flower?
What type of plants reproduce by sexual reproduction method?
Name the part of a seed which contains stored food.
Describe the process of fertilisation in a flower with the help of labelled diagrams.
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
Fill in the blank by selecting suitable word:
A flower that bears both the male and the female parts is known as __________ flower.
What is a flower ? Draw a neat labelled diagram showing the L.S. of a typical flower.
Mention the function of Stigma.
Give one example each of unisexual and bisexual flowers. Differentiate between the two types of pollination that occur in flowers. What happens when a pollen lands on a suitable stigma? Write about the events that occur till the seed formation in the ovary.
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 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.
List any two differences between pollination and fertilization.
Answer the following question.
List two agents of pollination?
Pollen grains are formed by _________ division in locules of anthers.
__________ is present in unisexual flower.
Find an odd one out.
Calyx : Sepals : : Corolla : ________________
Write the functions of sepals
Distinguish between self-pollination and cross-pollination.
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
Pineapple fruit develops from ______.
What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
In human beings, fertilization occurs in the ______
Variations occur as a result of ______
Where is the zygote located in the flower after fertilization?
Double fertilization is essential for formation of ______.
What is the structural unit of sexual reproduction in plant?
Explain the post fertilization changes that occur in the ovary of a flower.
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
