Anil Ahlawat Solutions for Chapter: Our Environment, Exercise 2: EXERCISES

The different steps of vermicomposting are given below randomly.
(i) Spread sand on the floor of the pit
(ii) Place red worms in the pit
(iii) Cover with a grass
(iv) Sprinkle water to keep it moist
(v) Dig a pit in a suitable place
(vi) Add vegetable peels and fruit waste in the pit
Which of the following represents the correct sequence of steps?

Dustbin containing discarded material was left uncovered for some time. The amount of different materials and factors related to them changed during these days which were plotted in the given graph.

Refer to the given pie charts based on waste segregation methods $X$ and $Y$ and select the correct option.

Refer to the given figure representing different layers of Earth’s atmosphere and select the incorrect statement regarding it.

Study the given Venn diagram and identify the gases ( $L,M$ and $N$) present in our atmosphere.

Select the incorrect option regarding characteristics $X,Y$ and $Z$ of these gases.