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?
A dustbin containing discarded materials was left uncovered for some time. The given graph shows the change in amount of these materials with time.
Identify the materials and select the correct option regarding this.
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Study the given flow chart that shows some ways of garbage disposal and answer the following question.
Which is the best way to dispose the types
of garbage listed below?
a. Vegetable peels
b. Metal pans and pots
c. Hospital wastes
d. Animal droppings
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
49 videos|108 docs|105 tests
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49 videos|108 docs|105 tests
|