Nutritional Requirements

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Nutritional Requirements

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The organisms which can use reduced inorganic compounds as electron donors are known as .....
A
chemotrophs
B
organotrophs
C
lithotrophs
D
phototrophs
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following ions are cofactors for various enzymes?
A
Potassium ion
B
Iron ion
C
Magnesium ion and Iron ion
D
Calcium ion
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are trace elements?
A
Potassium ion
B
Sodium ion
C
Copper ion
D
Magnesium ion
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
"Red extreme halophiles", are members of the archaebacterial which cannot grow with less than 12 to 15 percent NaCl.
A
True
B
False
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Chromatium okenii uses which of the following compound as electron donor?
A
Hydrogen sulphide
B
Fatty acids
C
Alcohol
D
Succinate
There are 5 questions to complete.