There are four tiny organisms A,B, C and D. The organism A is a parasitic protozoan which causes a disease known as kala-azar. The organism B is microscopia single-called animl which causes malaria disease in human beings. The organism C is a unicellular animal which can change its body shape accroding to need, it has no fixed shapt. The organism D is also a unicellular animal which i slopper-shaped having a large number of tiny hair all around its body.
(a) Name the organisms A, B, C and D
(b) Name one characteristic body feature of organism A
(c) Name the insect which carreis organism B and transmits if from on person to another
(d) What name is given to the asexual method of reproduction of (i) organism A, and (ii) organism B?
(e) Where do organism C and D live?

Answer

(a) A is Lesihamnia ,B is Plasmodium , C is Amoeba and D is Paramecium (b) Organism A (Leishmania) has a whip-like structure called flagellum at its one end (c) Female Anopheles mosquito (d) (i) Binary fission (ii) Multiple fission (e) Y is multicellular whereas X is unicellular