Question

What are pathogens? Name two pathogens each that cause diseases in (1) plam
and (ii) animals.​

Answer 1

Pathogens are microorganisms which are capable of causing infection or diseases in other organisms.

Explanation:

• Pathogens can be described as any foreign particles which are harmful for an organism. Pathogens are microorganisms such as bacteria, virus etc.

• Two pathogens that cause diseases in plants are 1) Agrobacterium tumefecians which causes callus formation in plants. 2)Tobacco mosaic virus which infects the tobacco plants.

• Two pathogens which cause diseases in animals are:1) Escherichia coli known to cause many diseases in humans and other mammals. 2) cow pox virus which caused cow pox in cows.