The outermost layer of skin is
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Which of the following is an excretory organ of cockroach?
There are how many vocal cords in the human voice box?
Earth-worms belongs to the phylum
Analgesics ________.
Salivary amylase breaks down ______.
Evaporation of water from leaves of a plant is called
In which of the following the dominant phase is Gametophyte?