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प्रश्न
Bisexual : Hibiscus : : Unisexual : ___________
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उत्तर
Bisexual : Hibiscus : : Unisexual : Papaya
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?
Name and differentiate between the two modes of pollination in flowering plants.
Name the parts labelled as A, B, C and D in the diagram given below:
The fusion of male and female gametes is termed as ______.
Explain what you understand by sexual reproduction.
The reproductive part of a plant is the ______.
Mature ovary forms the ______.
Where are the pollen grains produced?
What are the reproductive organs in a flower?
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the following blank with suitable word :
The name of the structure in the flower in which the male gamete is formed is...........
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
Explain the terms 'cross-pollination'?
The length of pollen tube depends on the distance between :
(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style
One of the following occurs in the reproductive system of flowering plants as well as that of humans. This is :
(a) vas deferens
(b) anther
(c) ovary
(d) style
In what ways is fertilisation in a plant different from fertilisation in a human?
What is a flower ? Draw a neat labelled diagram showing the L.S. of a typical flower.
Identify the odd. Stigma, Style, Pollen, Ovary.
Prepare a slogan for campaign against female foeticide.
__________ is present in unisexual flower.
Pollen grains from anther are transferred to the stigma.
Define.
Inflorescence
Explain the sexual reproduction process in plants with a diagram.
The ovule of an angiosperm is technically equivalent to ______
The 3-celled egg apparatus at the micropylar end comprises of ______
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 ______
Pollen grains are produced by ______
Where is the zygote located in the flower after fertilization?
State the number of sets of chromosomes present in a zygote.
Double fertilization means ______.
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
The pollen tube usually enters the embryo sac ______.
State the post-fertilisation changes that lead to fruit formation in plants.
