Subject: Bio - Chemistry

#217

The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is

A) 1 : 10

B) 1 : 20

C) 1 : 30

D) 1 : 25

Answer:   B

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#218

The phenomenon of osmosis is opposite to that of

A) Diffusion

B) Effusion

C) Affusion

D) Coagulation

Answer:   A

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#219

The surface tension in intestinal lumen between fat droplets and aqueous medium is decreased by

A) Bile Salts

B) Bile acids

C) Conc. H2SO4

D) Acetic acid

Answer:   A

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#220

Which of the following is located in the mitochondria?

A) Cytochrome oxidase

B) Succinate dehydrogenase

C) Dihydrolipoyl dehydrogenase

D) The hydrocarbon chain of cholesterol projects into the extracellular fluid

Answer:   D

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#221

The most active site of protein synthesis is the

A) Nucleus

B) Ribosome

C) Mitochondrion

D) Cell sap

Answer:   B

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#222

The fatty acids can be transported into and out of mitochondria through

A) Active transport

B) Facilitated transfer

C) Non-facilitated transfer

D) None of these

Answer:   B

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#223

Mitochondrial DNA is

A) Circular double stranded

B) Circular single stranded

C) Linear double helix

D) None of these

Answer:   A

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#224

The absorption of intact protein from the gut in the foetal and newborn animals takes place by

A) Pinocytosis

B) Passive diffusion

C) Simple diffusion

D) Active transport

Answer:   A

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