Short Answer TypeDifferentiate between albuminous and non-albuminous seeds, giving one example of each.
Write the scientific names of the causal organisms of elephantiasis and ringworm in humans. Mention the body parts affected by them.
Nile perch introduced into Lake Victoria in east Africa led eventually to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake is an example where a deliberate attempt by humans led to the extinction of a particular species.
Study the graph given below. Explain how oxygen concentration is affected in the river when sewage is discharged into it.
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