State whether the following statements are True of False :

(a) Each sperm is a single cell.


(b) A new human individual develops from a cell called gametes.


(c) Egg laid after fertilization is made up of a single cell.


(d) A zygote is formed as a result of fertilization.


(e) External fertilization takes place in frog.


(f) An embryo is made up of a single cell.


(g) Oviparous animals give birth to young ones.


(h) Internal fertilization takes place in hens.


(i) The hens give birth to chicks like human beings give birth to babies.


(j) Amoeba reproduces by budding.


(k) Binary fission is a method of asexual reproduction.


(l) Fertilisation is necessary even in asexual reproduction.


(m) Cloning is a sexual reproduction method in mammals.

(a) True, sperm is a single cell with all the usual cell components.

(b) False, A new human individual develops from a cell called zygote.


(c) True, egg laid after fertilization is made up of a single cell.


(d) True, Fertilization results in the formation of zygote which begins to develop into an Embryo.


(e) True, External fertilization takes place in frog and fish.


(f) False, embryo is a developing structure which is made up of group of cells.


(g) False, those animals which lay eggs are called oviparous animals.


(h) True, Internal fertilization takes place in hens, humans and cow.


(i) False, Hens are oviparous animals which lay eggs.


(j) False, Amoeba reproduce by binary fission.


(k) True, Binary fission is a method of asexual reproduction.


(l) False, fertilization is not necessary in asexual reproduction.


(m) False, Cloning is the production of an exact copy of a cell, any other living part, or a complete organism.


34