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प्रश्न
What does germination mean?
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उत्तर १
Zygote utilizes food stored in endosperm of seed and a new plantlet is formed. This is called as seed germination.
उत्तर २
The process through which seeds develop into seedlings is known as germination.
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संबंधित प्रश्न
What is pollination?
Name the parts A, B and C shown in the following diagram and state one function of each.
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
The anther contains ______.
How does the process of fertilisation take place in flowers?
Name the part made up of the stigma, style and ovary.
Where are the pollen grains produced?
Where are a plant's sex organs located?
What is made in anther of a flower?
What is seed? What are the parts of a seed? Explain with the help of a labelled diagram.
Name the part of a seed which grows into root.
Which of the following statements are true for sexual reproduction in flowering plants?
(i) it requires two types of gametes
(ii) fertilisation is a compulsory event
(iii) it always results in the formation of zygote
(iv) offsprings formed are clones
(a) (i) and (iv)
(b) (i), (ii) and (iv)
(c) (i), (ii) and (iii)
(d) (ii), (iii) and (iv)
The correct sequence of reproductive stages occurring in flowering plants is ______
Fill in the blanks:
A stamen consists of ______ and ________.
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
Mention the function of Flower.
What part is played by stamens and carpels in reproduction?
Write one main difference between asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival – the one reproducing asexually or the one reproducing sexually? Give reason to justify your answer.
Explain the process of fertilisation in flowers.
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
Write the names of male and female reproductive parts of a flower.
Explain sexual reproduction in plants.
Differentiate between self-pollination and cross-pollination.
Give scientific reason.
Flower is a structural unit of sexual reproduction in plants.
Explain the sexual reproduction process in plants with a diagram.
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
Write the events involved in the sexual reproduction of a flowering plant.
a. Discuss the first event and write the types.
b. Mention the advantages and the disadvantages of that event.
Where does the endothecium layer of anther lobes is present?
Generally, in a pollen tube, which of the following moves to the tip of the tube?
Which type of development is observed in male gametophytes of plants?
In a flowering plant, archesporium gives rise to ______.
In human beings, fertilization occurs in the ______
Length of pollen tube depends on the distance between ______
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
What are the agents for pollination?
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 ______.
The number of pollen sacs in a dithecous anther is ______.
