Foot- and-mouth disease in cattle is caused by

Silkworm silk is the product of

Breeding of crops with high levels of minerals, vitamins and proteins is called

Biodiversity loss occurs due to the reasons given below

$(i)$ Habitat loss and fragmentation

$(ii)$ Co-extinction

$(iii)$ Over-exploitation

$(iv)$ Alien species invasion

Identify the correct reasons

The viability of seeds is tested by

The word 'livestock' includes