Barophilic prokaryotes:
 

1.	Grow slowly in highly alkaline frozen lakes at high altitudes
2.	Grow and multiply in very deep marine sediments
3.	Readily grow and divide in seawater enriched in any soluble salt of barium
4.	Occur in water containing high concentrations of barium hydroxide

What is correct for the stages of Puccinia:
1. Telia and aecia on wheat
2. Telia and uredo stage on wheat
3. Telia and aecia on barberry
4. None

According to five kingdom system, blue green algae belongs to:
1.  Metaphyta
2.  Monera
3.  Protista
4.  Algae

Which of the following survives a temperature of 104 to $106°C$?
1.  Marine Archaebacteria
2.  Hot water spring thermophiles
3.  Seeds of angiosperms
4.  Eubacteria

Lichens are a well-known combination of an alga and a fungus where the fungus has:
1. An epiphytic relationship with the alga
2. A parasitic relationship with the alga
3. A symbiotic relationship with the alga
4. A saprophytic relationship with the alga

Koch's postulates are not applicable to:
1.  Mycobacterium leprae
2.  Tuberculosis
3.  Pneumonia
4.  Cholera

Diatomaceous earth is used as a heat insulator in boilers and steam pipes because the cell wall of diatom is
1.  Composed of iron
2.  Composed of silicon dioxide
3.  a good conductor of heat
4.  a bad conductor of electricity

Enzymes are not found in:
1. Fungi
2. Algae
3. Virus
4. Cyanobacteria

Virus are living, because:
1. They multiply in host cells
2. Carry anaerobic respiration
3. Carry metabolic activity
4. Cause infection

Which disease of man is similar to cattle's, bovine spongiform encephalopathy: