Define:(i) Genetic Erosion (ii) Bio insecticides (iii) Antigen (iv)

1.	Define:(i) Genetic Erosion (ii) Bio insecticides (iii) Antigen (iv) Psychosis
Answer» (i) Genetic erosion is the loss of genes from gene pool due to deforestation, urban expansion, damage to ecosystem, etc. (ii) Bio insecticides are living organisms like other insects, bacteria etc., which themselves or their products are used to control insect pests. (iii) Antigen is a substance which when introduced into a vertebrate body, provokes an immune response leading to acquired immunity. (iv) Psychosis is a kind of mental illness in which the person has no idea about his condition, loses contact with reality and cannot function in society.

Define:(i) Genetic Erosion (ii) Bio insecticides (iii) Antigen (iv) Psychosis

Answer»

(i) Genetic erosion is the loss of genes from gene pool due to deforestation, urban expansion, damage to ecosystem, etc.

(ii) Bio insecticides are living organisms like other insects, bacteria etc., which themselves or their products are used to control insect pests.

(iii) Antigen is a substance which when introduced into a vertebrate body, provokes an immune response leading to acquired immunity.

(iv) Psychosis is a kind of mental illness in which the person has no idea about his condition, loses contact with reality and cannot function in society.

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