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प्रश्न
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
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उत्तर
c) Gulmohor
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संबंधित प्रश्न
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?
The fusion of male and female gametes is termed as ______.
State the name of the functional unit concerned with sexual reproduction.
Name the swollen lower part of the carpel.
Name the male part of the flower.
What is the function of a flower?
Where is the male gamete formed in flowering plants?
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
How is the process of pollination different from fertilization?
What type of plants reproduce by sexual reproduction method?
What is pollination? How does pollination occur?
Describe the process of fertilisation in a flower with the help of labelled diagrams.
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 different from fertilisation in a human?
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
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.
Explain the process of fertilisation in flowers.
“Cell division is a type of reproduction in unicellular organism.” Justify.
Find the odd one out:
__________ is present in unisexual flower.
Define.
Inflorescence
Give scientific reason.
Fertilization in plants is called double fertilization.
Draw a neat and labelled diagram.
Double fertilization in angiosperms
The essential parts of a flower are ______.
In which part of the flower germination of pollen grains takes place?
The ovule of an angiosperm is technically equivalent to ______
Antipodal cells are present towards the ______ in an anatropous ovule.
Which type of development is observed in male gametophytes of plants?
Gloriosa superba exhibits ______.
Which out of the following processes does not lead to the formation of clones.
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?
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
Give any two examples of agents of pollination.
In a plant flower the female whorl is ______.
What is puberty?
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.
