Question

Solve each of the following riddles by writing the name of the organism and its mode of nutrition.

(a) I am tall but I cannot move. I am green and can prepare my own food. ____, _______
(b) I live in water; people keep me in an aquarium and feed me. ____, _______
(c) I am small and I can fly. I disturb your sleep, bite you and suck your blood which is my food. ____, _______
(d) I am white and soft. I grow well in the rainy season. Children pluck me from the ground and admire me. I absorb nutrients from decomposed dead parts of plants and animals in the soil. ____, _______

Answer 1

(a) I am tall but I cannot move. I am green and can prepare my own food. tree, autotroph

(b) fish, heterotroph: The heterotrophs are organisms that take in ready-made food prepared by the plants. Some other examples are cow, tiger, rabbit, lion etc.

(c) mosquito, parasite: The organisms that derive nutrition from the body of other living organisms (host) are called parasites. Some other examples are cuscuta, leech, bed bug etc.

(d) mushroom, saprophyte: The plants which derive nutrition from dead and decaying organisms are called saprotrophs or saprophytes. Some other examples are bread moulds, earthworm etc.