The symbiotic association between algae and fungi is known as -

$DNA$ is absent in:

Bovine Spongiform Encephalopathy $(BSE)$ is a disease in cattle. Which of the following human diseases is related to it?

Caulimoviruses $(Cauliflower\, mosaic\, virus)$ are a group of viruses which have:

Select the correct pair from the following:

Lichen is usually cited as an example of 'symbiosis' in plants where an algal and a fungal species live together for their mutual benefit. Which of the following will happen if algal and fungal partners are separated from each other?
$A$. Both will survive and grow normally and independent from each other.
$B$. Both will die.
$C$. Algal component will survive while the fungal component will die.
$D$. Fungal component will survive while algal partner will die.
Based on your answer,how do you justify this association as symbiosis?