Fertilization
Trending Questions
What happens when a pollen grains falls on the stigma?
- So that cross-pollination may occur
- So that the egg cell can develop in the ovule
- So that the male gamete can reach the female gamete
- So that the pollination can be done by bees
Why is fertilisation not possible without pollination?
The fusion of ovum and sperm is known as
Zygote
Embryo
Fertilization
Foetus
- spores
- buds
- zygote
- gametes
After fertilisation, the ________ divides repeatedly to give rise to a ball of cells.
embryo
zygote
ovum
sperm
- one male and one female gamete
- two male gametes
- two female gametes
- It does not need gametes
Explain the importance of the pollen tube.
What is Binary fission
What type of reproduction takes place in hens and butterflies
Pollen tube carries male gametes.
- True
- False
- thalamus and ovule
- ovary and ovule
- thalamus and pedicel
- ovule and ovary
Identify the stage which is formed after the fertilisation of the egg by the sperm ?
Ovule
Foetus
Embryo
Zygote
Fill in the following blanks with suitable words:
(c) Fusion of gametes gives rise to a single cell called
Define fertilisation and implantation. [2 MARKS]
The stage of the embryo in which all the body parts can be identified is called a
The pollen tube passes through
Stigma
Ovary
Style
Ovule
A pollen grain gives rise to a __________ that carries the male gamete.
The statement given below is incorrect. Rewrite the correct statement by changing the underlined word of the statement.
The embryo with 8 to 16 blastomeres is called a blastocyst.
- haploid male gamete in the pollen grain with the haploid female gamete of the ovule.
- haploid male gamete in the pollen grain with the diploid female gamete of the ovule.
- diploid male gamete in the pollen grain with the haploid female gamete of the pollen grain.
- diploid male gamete in the pollen grain with the diploid female gamete of the ovule.
Question 04(v)
Indicate whether the following statements are True (T) or False (F).
Egg laid after fertilization is made up of a single cell. ( )
After fertilization, the resulting cell which gives rise to a new individual is the
(a) embryo
(b) foetus
(c) ovum
(d) zygote
Why is the pollen tube formed?
So that cross-pollination may occur.
So that the egg cell can develop in the ovule.
So that the male gametes can reach the ovule.
So that the pollination can be done by bees.
what is fertilisation what is the result of fertilisation?
- seed
- embryo
- zygote
- fruit
- Reptiles
- Sparrow
- Hydra
- Amoeba