51.  The metal ion present in cytochromes is

A. Copper

B. Iron

C. Magnesium

D. Zinc

Answer : Option B

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52.  \(CO_2\)release occurs in

A. Photosynthesis

B. Photosynthesis

C. Transpiration

D. Guttation

Answer : Option B

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53.  R.Q. stands for

A. Reduction quotient

B. Respiratory quotient

C. Reverse quotient

D. None of these

Answer : Option B

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54.  R.Q. of carbohydrates is

A. 1

B. 2

C. 3

D. 4

Answer : Option A

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55.  R.Q. of anaerobic respiration is

A. Zero

B. Infinity

C. Less than one

D. More than one

Answer : Option B

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56.  When amount of\(CO_2\)taken from atmosphere (in photosynthesis) becomes equal to the amount of\(CO_2\) released in atmosphere (in respiration), this is called

A. Final point

B. Compensation point

C. Balance point

D. Equal distribution

Answer : Option B

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57.  Alternative pathway for respiration is

A. Photorespiration

B. (b) Pentose phosphate pathway

C. \(C_3\)cycle

D. \(C_4\) cycle

Answer : Option B

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58.  Which of the following processes is common for aerobic and anaerobic respiration

A. Glycolysis

B. Krebs cycle

C. ETS

D. None of these

Answer : Option A

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59.  Anaerobic respiration is also called

A. Fermentation

B. PPP pathway

C. Glycolysis

D. Krebs cycle

Answer : Option A

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60.  How many ATP are formed during dephosphorylation in glycolysis ?

A. 2ATP

B. 4ATP

C. 3 ATP

D. 6ATP

Answer : Option B

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