Question
In which type of farming the fertility of soil is
restored naturally ?Solution
Shifting Cultivation, also known as Swidden agriculture, refers to a technique of rotational farming in which land is cleared for cultivation and then left to regenerate after a few years. The burnt soil contains potash which increases the nutrient content of soil.
The yellow color of human urine is due to:
Which of the following is NOT a factor affecting Hardy-Weinberg equilibrium?
How many types of cell signalings are there?
Downstream processing in biotechnology mainly refers to:
What is the primary cause of hypertension (high blood pressure)?
- Which organ produces insulin?
In roots, the protoxylem lies towards the periphery and the metaxylem towards the center. This arrangement of primary xylem is called ____________.
Vinegar contains which of the following acids?
What is the gap of time between the entry of germs into our body and appearance of symptoms of the disease called?
In which ecosystem is the biomass of primary consumers greater than that of producers?
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