Physiology and Metabolism MCQs

Question 1

The production of ethanol rather than biomass by yeast cells at high concentration of glucose is known as

Accepted Answer

Crabtree effect

Answer

Warburg effect

Answer

Simpson's effect

Answer

Olivosky's effect

Question 2

Bacteriorhodopsin is a characteristic features of

Accepted Answer

Halobacteria

Answer

Rhizobium

Answer

Frankia

Answer

Thermophilus

Question 3

Gas-Pak system is used for the study of

Accepted Answer

Anaerobic microorganisms

Answer

Aerobic microorganisms

Answer

Gram positive

Answer

Gram negative

Question 4

Which one of the following is connecting link between Photosystem I and Photosystem II?

Accepted Answer

Cytochrome b 6 f complex

Answer

Plastocyanin

Answer

Ferredoxin

Answer

Cytochrome - c

Question 5

Photosynthesis is a/an

Accepted Answer

Anabolic reaction

Answer

Catabolic reaction

Answer

Energy reaction

Answer

None of these

Question 6

Plants take up water from the soil predominantly by the adoplastic and symplastic modes of transport. Which one of the following statements is true?

Accepted Answer

Both apoplastic and symplastic transport are ATP-independent

Answer

Adoplastic transport is ATP-dependent, Symplastic is ATP-independent

Answer

Symplastic transport is ATP-dependent, Apoplastic is ATP-independent

Answer

Both apoplastic and symplastic transport are ATP-dependent

Question 7

A photosynthetic organism which does not release oxygen is

Accepted Answer

Green sulphur-bacteria

Answer

Green algae

Answer

Blue green algae

Answer

Lichen

Question 8

Facultative anaerobes are

Accepted Answer

Anaerobes which can respire anaerobically

Answer

Strictly aerobes

Answer

Aerobes which can respire anaerobically

Answer

Strictly anaerobe

Question 9

The oxidative photosynthesis carbon cycle salvages

Accepted Answer

CO2 carbon

Answer

C-3 carbon

Answer

C-4 carbon

Answer

CO2