Q1 of 35 Page 128

Which of the following groups contain only bio-degradable items?

Group (i) contains only bio-degradable items, these are the substances which can be broken down by biological processes or microbial action.

Plastics and glass are non-biodegradable substances, which are there in other options, hence eliminated.

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16

Compressed Natural Gas (CNG) is considered a better fuel than coal/ petroleum, because _______.

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Now-a-days water bottles and lunch boxes are made from agricultural products like fruit pulp. These are called ______ .

 1

Classify the following into producers, consumers, decomposers.

i) butterfly


ii) grass hopper


iii) calottes


iv) snakes


v) shoe flower


vi) nitrobacteria

 2

Living organisms adapt themselves according to their habitat.

Match the following: -