Soil conservation is a practice, in which soil
Is protected from being carried away by wind and water
Is well aerated
Fertility is enhanced
Erosion is allowed
Some of the nutrient cycles are labelled as below
$I$.Sulphur cycle $II$.Phosphorus cycle
$III$. Carbon cycle $IV$ .Nitrogen cycle
Of these, the sedimentary cycle is represented by
Which of the following statement for biosphere reserve is incorrect?
The least porous soil among the following is a
The state of Gujarat has river, desert, forest and lake ecosystems, thus exihibiting a diversity of life. Which measure do you use to denote total diversity in such a case?
Match the following
Column $-I$ | Column $-II$ |
$(a)$. World Forestry Day | $(i)$ October $3$ |
$(b)$. World Animal Day | $(ii)$ June $5$ |
$(c)$. World Habitat Day | $(iii)$ March $21$ |
$(d).$ World Environment Day | $(iv)$ October $4$ |