Question

(a) What is meant by reproduction ?

(b) What are the two general methods of reproduction in organisms ?

(c) How does an Amoeba reproduce ? Describe the process of reproduction in Amoeba with the help of labelled diagrams of different stages in its reproduction process.

(d) What is the name of the process by which Amoeba reproduces ?

(e) Name two organisms which reproduce by the same asexual process as that of Amoeba

Answer 1

(a) Theproduction of new organisms from the existing organisms of the same species is known as reproduction.

(b) The two methods of reproduction in living organisms are asexual reproduction and sexual reproduction.

(c) Amoeba reproduces by binary fission by dividing its body into two parts. When the amoeba cell reaches its maximum size, the nucleus of amoeba lengthens and divides into two parts. After that the cytoplasm of amoeba divides into two parts, one part around each nucleus. In this way one parent amoeba divides to form two smaller amoebae.

(d) Binary fission.

(e) Paramecium and Leishmania.