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

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

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

The following diagram shows:

1. Asexual reproduction in lichens
2. Size restitution in diatoms
3. Formation of cellulose plates in dinoflagellates
4. Sporogony in malarial parasite

A phage with the following life cycle will be called as:

1. Temperate
2. Virulent
3. Prophage
4. Prion

Causing the Great Oxygenation Event and the "rusting of the Earth", which of the dramatically changed the composition of the Earth's life forms and led to the near-extinction of anaerobic organisms?
1. Cynobacteria
2. Diatoms
3. Dinoflagellates
4. Green algae

The given diagram shows the life cycle of:

1. Puccinia graminis tritici with A part representing the stages in wheat plant and B part representing the stages in Barberry plant
2. Puccinia graminis tritici with A part representing the stages in Barberry plant and B part representing the stages in wheat plant
3. Ustilago tritici with A part representing the stages in wheat plant and B part representing the stages in Barberry plant
4. Ustilago tritici with A part representing the stages in Barberry plant and B part representing the stages in wheat plant