NCERT Class VII Science Solutions: Chapter 1-Nutrition in Plants Part 5 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 21:

Can you give me a name?

Solve each of the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.

1. I am tall but I cannot move. I am green and can prepare my own food. Tree, Autotroph
2. I live in water; people keep me in an aquarium and feed me. ________, ________
3. I am small and I can fly. I disturb your sleep, bite you and suck your blood which is my food. ________, ________
4. 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. I am tall but I cannot move. I am green and can prepare my own food. Tree, Autotroph

1. I live in water; people keep me in an aquarium and feed me. Fish, heterotroph.

1. I am small and I can fly. I disturb your sleep, bite you and suck your blood which is my food. mosquito, parasite
2. 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. mushroom, saprophyte