During fertilisation, fusion of egg and sperm form a single cell having two nuclei.

Q. Statement 1: During the process of fertilisation, the nuclei of sperm and ovum fuse with each other.

Statement 2: The nuclei fuse to form a single nucleus.

Q. A single cell or cytoplasmic mass containing several nuclei, formed by the fusion of cells or by the division of nuclei.

Q. The number of nuclei contributed by the male plant during syngamy and triple fusion during double fertilisation is

Q. The egg is fertilised by a sperm during test tube baby formation

Q. Indicate whether the following statements are true or false.​
(1) Oviparous animals give birth ​to young ones.
(2) Each sperm is a single cell.
(3) External fertilisation takes place in frog.
(4) A new human individual develops ​from a cell called gamete.​
(5) Egg laid after fertilisation is made up of ​a single cell.
(6) Amoeba reproduces by budding.
(7) Fertilisation is necessary even in ​asexual reproduction.
(8) Binary fission is a method of ​asexual reproduction.
(9) A zygote is formed as a result of ​fertilisation.​
(10) An embryo is made up of a single cell.