Lec1

Question 1

Is the science that deals with the role of microbes on earth ?

Answer 1

Geomicrobiology

Question 2

Example of acid-producing microorganisms?

Answer 2

Lichens and fungi

Question 3

Sediments and rocks at the surface of the crust are referred to as the?

Answer 3

Lithosphere

Question 4

Why above the ozone layer mostly there’s no life?

Answer 4

Due to the lethal action of UV

Question 5

Are able to grow on hydrocarbons

Answer 5

Bacteria

Question 6

Q: Archaea can not grow on hydrocarbons ( t / f )?

Answer 6

F, can grow

Question 7

Degrade hydrocarbons

Answer 7

Fungal

Question 8

Why air is not capable of sustaining the growth?

Answer 8

• Lacks sufficient moisture and nutrient
• Lethal effect of radiation

Question 9

Importance of air for M.Os?

Answer 9

• For spreading microbes
• Source of O2 for strict and facultative aerobes
• ## Source of nitrogen for nitrogen fixing microbes

Question 10

Which porosity and / or permeability has changed within a formation or where nonporus layers Seals off the top of a reservoir

Answer 10

Stratigraphic traps

Question 11

Why hydrocarbon traps and disappear?

Answer 11

Because of tectonic movement of earth’s plate

Question 12

Rock which is impermeable to hydrocarbon

Answer 12

Cap rock