Identify the correct statement regarding prions:
I. They are misfolded proteins with the ability to transmit their misfolded shape onto normal variants of the same protein
II. They act very fast with a very short incubation period
III. They are virtually indestructible
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III

Which of the following will not be true for archaebacteria?
1. Methanobacteriales do have cell walls containing pseudopeptidoglycan
2. Branched chained lipids in cell membrane may help prevent archaeal membranes from leaking at high temperatures
3. Although archaea only have one type of RNA polymerase, its structure and function in transcription seems to be close to that of the eukaryotic RNA polymerase II
4. Like true bacteria the genes in archaea also lack any introns

A bacterium, Ideonella sakaiensis, discovered recently, is capable of:
1. breaking down and consuming the plastic
2. clearing oil spoils in cold waters
3. producing cynocobalamin during fermentation
4. fixing atmospheric nitrogen in cereals

The Great Famine of Ireland [1845 to 1849] causing the island's population to fall by 20% and 25% was caused by:
1. Phytophthora infestans
2. Helminthosporium oryzae
3. Puccinia graminis tritici
4. Ustilago tritici

In a fungus like Neurospora, conidia can be distinguished from ascospores as:

An earlier treatment of pituitary dwarves with the pituitary extracts of cadavers was frequently fatal as the recipients developed:
1. CJD
2. Scrapie
3. BSE
4. Kuru

In an individual basidiomycete fungus, the size of the following [largest to smallest] will be:

The fruiting body of a fungus contains many structures with eight haploid spores lined up in a row. This fungus belongs to the class:

Identify the incorrect statement regarding the novel corona virus [2019-nCoV]:
1. It is a double-stranded RNA coronavirus
2. The virus is thought to have a zoonotic origin
3. Human-to-human transmission of the virus has been confirmed
4. Mode of transmission is through respiratory droplets from coughs and sneezes

Which of the following will be the virus for which the typical life cycle would be as shown in the given figure?

1. Reovirus
2. Rotavirus
3. Arbovirus
4. Retrovirus