Science step

ANJUMAN-I-ISLAM ALLANA ENGLISH SECONDARY SCHOOL
STD: 8 SUB: SCIENCE
TOPIC: ECOSYSTEMS
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Q1. Complete the following by using correct option:

(1) Air, water, minerals, soil are physical factor of an
ecosystem. (Physical, organic, inorganic)

(2) River, ponds, ocean are aquatic ecosystems. (land,
aquatic, synthetic)

(3) Man is consumer in an ecosystem. (producer,
consumer, decomposer)

, • Q2) Match the following:
Producers ecosystem
a. Cactus 1.Forest
b. Aquatic plants 2. creek
c. Mangroves 3. Aquatic
d. Pine 4. Desert



Ans. (1) Cactus – Desert
(2) Aquatic plants – Aquatic
(3) Mangroves – Creek
(4) Pine - Forest