Tick the appropriate answer: (b) The unicellular organism causing malaria -
Plasmodium
Paramecium
Euglena
Amoeba
There are four tiny organisms A, B, C and D. organism A is a parasitic protozoan that causes a disease known as kala-azar. The organism B is a microscopic single-celled animal that causes malaria disease in human beings. The organism C is a unicellular animal that can change its body shape according to need, it has no fixed shape. The organism D is also a unicellular animal that is slipper-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 carries organism B and transmits it from one 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 organisms C and D live?