- Home
- Standard 12
- Biology
13.Biodiversity and Conservation
normal
The greatest problem of water conservation is to reduce the amount of
A
Precipitation
B
Run-off water
C
Groundwater
D
evaporation
Solution
Run-off water refers to the water falls during rainfall (precipitation) and goes back to the source, $e.g.$, sea, ocean, etc. In this way, a large amount of fresh water gets wasted. So, the greater problem of water conservation is to reduce the amount of runoff water
Standard 12
Biology
Similar Questions
Match the column$-I$ with column$-II$
| Column$-I$ | Column$-II$ |
| $(a)$. Artemesia annua | $(i)$ Henna |
| $(b)$. Lawsonia inermis | $(ii)$ Anticancer drug |
| $(c)$. Vinca rosea | $(iii)$ Kattha |
| $(d)$. Acacia catechu | $(iv)$ Antimalarial drug |
normal
