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Chlorophyll
iron
Haemoglobin
metallic ions
The green colour of the leaves is due to the presence of
The group of crop plant that are vegetatively propagated is
The grouping of blood is based on substances called
The harmful poisonous substances produced by bacteria are called
The heart rate in an adult person is
The highest concentration of urea is found in
The histogen, from which epidermis is formed, is
The horizonatally growing hyphae of Rhizopus are called
The hormone insulin is a
The hormone that controls the levels of calcium and phosphorus in the blood is secreted by