Haploid cultures can be obtained by culturing:

Virus free plants can be formed by

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

A system of rotating crops with legume or grass pasture to improve soil structure and fertility is called

Inbreeding depression is