Nature and properties of soil in different places vary due to
Climate
Weathering process
Topography
All of these
An area of soil is thoroughly wetted and allowed to drain until capillary movement of water stopped. The water contents of the soil will give an estimate of its
Which of the following is not a biotic component
Smaller animals tend to lose body heat very fast as compared to larger animals because they have
Match List $- I$ with List $- II.$
List $- I$ | List $- II$ |
$(a)$ Allen's Rule | $(i)$ Kangaroo rat |
$(b)$ Physiological adaptation | $(ii)$ Desert lizard |
$(c)$ Behavioural adaptation | $(iii)$ Marine fish at depth |
$(d)$ Biochemical adaptation | $(iv)$ Polar seal |
Choose the correct answer from the options given below.
$(a) -(b)- (c)- (d)$
In most animals, the metabolic reactions proceed in a ...$A$... temperature range (in humans, it is $37^{\circ} C$ ). But there are microbes (archaebacteria) that flourish in hot springs and deep sea hydrothermal vents where temperature far exceed ...$B$...
Choose the correct option for $A$ and $B$