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Biology – 1st Year
Chapter Name : BIOENERGETIES
Chapter No. 11
Question Type : Multiple Choice Questions [MCQ’s]
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.




Book Name :  Biology
Chapter No. 11
Chapter Name : BIOENERGETIES 
Total MCQ from Text Book :  182
Book Version  :
2021

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 11 ( F.Sc. Intermediate)
Total Marks : 182
Total Time :  182 minutes

 




محترم اساتذہ کرام و  پیارے طلبا و طالبات
ہم نے یہ ویب سائٹ آپ کے فائدے اور امتحانی تیاری کو مدنظر رکھ کر بنائی ہے۔ اگر آپ کو اس سے کوئی فائدہ ہوتا ہے اور آپ کو یہ ایم سی کیوز امتحان کی تیاری کے لئے سود مند ہیں ۔ تو آپ اپنے  کم سے کم دس دوستوں کو اس کا لنک ضرور  شئیر کریں۔تاکہ اس سے آپ کے  بہت سارے دوسرے دوستوں کا فائدہ ہوسکے۔



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GRADE 11 - BIOLOGY CHAPTER NO.11 Bioenergeties

GRADE 11 - BIOLOGY CHAPTER NO.11 Bioenergeties

1 / 182

Oxidative phosphorylation is the synthesis of______ in the presence of oxygen

2 / 182

Chemical formula of chlorophyll 'a' is:

3 / 182

The opening and closing of stomata Is regulated by

4 / 182

Conversion of one Pyruvic acid into one acetly CoA gives off one molecule of.

5 / 182

Photo system ll has the from of "chlorophyll " a which absorb best the light of :

6 / 182

Chlorophyll a exists in several fonts that differ slightly in their absorption peaks in which of following wavelength.

7 / 182

Molecular formula for chlorophyll 'b' is :

8 / 182

Iron containing protein is :

9 / 182

Ferridoxin is a component of

10 / 182

Important source of atmospheric oxygen released during photosynthesis is :

11 / 182

In the first step of the citric acid cycle, acetyl CoA reacts with oxaloacetate to form

12 / 182

Photosynthetic pigments in plants are organized into clusters called :

13 / 182

Pyruvic Acid is produced as a result of

14 / 182

Cytochromes contain which element

15 / 182

Which of the following are termed accessory pigments?

16 / 182

The end product of glocolysis is

17 / 182

Chlorophyll are embedded in which membranes

18 / 182

Magnesium is an important nutrient ion in green plants as it is an essential component of :

19 / 182

Magnesium Is an Important nutrient Ion in green plants as It is an essential component of :

20 / 182

which of the follwing have high CO2 compensation point ?

21 / 182

During the dark reactions of photosynthesis, the main process which occurs is :

22 / 182

Haem portion of Haemoglobin contains:

23 / 182

Which one is not the phase of Calvin cycle?

24 / 182

The study of biological energy transformation is called;

25 / 182

Chemical link between catabolism and anabolism is

26 / 182

Chlorophyll absorb mainly which of the following wavelengths?

27 / 182

First stable compund in C3 cycle is :

28 / 182

A metabolic pathway which. Is primitive regarding evolutionary point of view:

29 / 182

The most abundant protein on Earth is

30 / 182

Which one of following is not concerned with non cyclic phosphorylation ?

31 / 182

The cell rich in Chloroplasts:

32 / 182

The basic structure of all chlorophylls comptises of:

33 / 182

Which one of the following is not concerned with oxidative phophorylation ?

34 / 182

Each mesophyll cell of leaf has chlorophylls ?

35 / 182

The process by which pH gradient across membrane drivers the formation of ATP is called :

36 / 182

Which statement about the chemiosmotic mechanism is not true?

37 / 182

The primary acceptor during CO2 fixation in C plants is :

38 / 182

Which statement about oxidative phosphorylation is not true?

39 / 182

The assimilatory power in photosynthesis is:

40 / 182

During respiratory ETC , ATP formation occurs:

41 / 182

The end product of glucose breakdown during glycolysis is :

42 / 182

Quantitative study of energy relationship in biological system is called

43 / 182

Through which of the following substances the photosystem passes an electron to NADP during light reaction:.

44 / 182

Absorption peaks of chlorophyll are at

45 / 182

Source of oxygen released during photosynthesis is water not carbon dioxide, was confirmed by'using isotopic

46 / 182

Which statement about ATP Is not true?

47 / 182

Most of the photosynthetic enzymes are present in;

48 / 182

Plants appear green because of reflection of which of the following wavelength, of light.

49 / 182

Carotenolds show maximum absorption in_____ region/range

50 / 182

Chlorophyll and other photosynthetic pigments are found embedded in

51 / 182

Which statement about the chemiosmotic mechanism is not true?

52 / 182

How many ATPs are used during light independent reactions to synthesize one molecules of glucose.

53 / 182

Which of the following Is common in anaerobic and aerobic respiration?

54 / 182

Algae used by Calvin & his co-workers in their experiments on photosyrithesis is?

55 / 182

Which ,one of the following pigments acts as a reaction centre during photosynthesis?.

56 / 182

Who was the discoverer that ."Source of oxygen released during photosynthesis is water not Carbon dioxide"

57 / 182

Which statement about ATP is not true?

58 / 182

Photosynthetic is maximum during :

59 / 182

The first action spectrum was obtained by German Biologist T.W Engelmann is :

60 / 182

Carbonidioxide enters the leaves through

61 / 182

During the dark reactions of photosynthesis the main process which occurs is :

62 / 182

When green plant performs photosynthesis at its maximum rate.

63 / 182

The amount of glucose converted into ATP during anaerobic respiration is

64 / 182

When green plant performs photosynthesis at Its maximum rate:

65 / 182

Photosynthesis pigments are the substance that absorb visible light having wave length :

66 / 182

CO2 and O2 balance in the atmosphere is due to

67 / 182

The citric acid cycle

68 / 182

Calvin cycle occurs in:

69 / 182

The number of chloroplast in each mesophyll cell is about :

70 / 182

Which chlorophyll is most abundant of all the chlorophylls?

71 / 182

How much NADH2 are formed during krebs cycle:

72 / 182

The maximum evolution of oxygen is by:

73 / 182

Photosynthesis is a

74 / 182

Complete oxidation of pyruvate occurs during:

75 / 182

Photosystem II occurs in

76 / 182

Glycolysis

77 / 182

Energy capturing process in plants is

78 / 182

Principles of energy tranformation in living systems are called :

79 / 182

FADH2 is produced during following step of Krebs cycle:

80 / 182

Now ribulose phosphate Is converted into ribulose bisphosphate (RuBP)

81 / 182

The rate of photosynthesis is minimum at temperature of :-

82 / 182

Which one of the follwing would not limit photosynthesis?

83 / 182

Synthesis of ATP in the presence of oxygen is called :

84 / 182

Which one of the following is not 4 carbon compund :

85 / 182

Photosysem, 11 occurs in:.

86 / 182

Molecular formula for chlorophyll 'b' is :

87 / 182

Which region of visible spectrum Is absorbed and disappeared by chlorophyll pigment :

88 / 182

During respiratory chain coenzyme Q is oxidized by

89 / 182

The plant appear green because;

90 / 182

In which of the following conversion GTP is produced.

91 / 182

End product of light reactions are

92 / 182

______is the first fixed organic form of CO2:

93 / 182

What is wrong about Ribulose biphosphate

94 / 182

The splitting of water and relase of O2 during light reaction is:

95 / 182

The oxidatiive phosphorylation is coupled with respiratory ETC with the help of :

96 / 182

Photosynthetic _______lack chloroplasts

97 / 182

In respiratiory chain , NADH is oxidized by

98 / 182

Energy conservation reaction are

99 / 182

Xanthophylls are --- in colour.

100 / 182

Splitting of water during. photosynthesis is called

101 / 182

The electron passing over the E.T.C in respiration is finally transferred to the

102 / 182

How much chloroplasts are present in a mm2 of leaf surface

103 / 182

Calvin cycle occurs in

104 / 182

The breaking of terminal phosphate of ATP releases energy of about :

105 / 182

The process that uses membranes to couple redox reaction to yield ATP is called

106 / 182

The water splitting step of photosynthesis that relases oxygen is called :

107 / 182

An element essential for chlorophyll formation Is

108 / 182

Quantitative study of energy relationships in biological system is called :

109 / 182

Phosphorous is present in

110 / 182

When two energized electrons from forredoxin and two H+ are given to NADP then this reaction may be called as:

111 / 182

Quantitative study of energy relationships in biological organisms is

112 / 182

Plastocyanin protein contains:

113 / 182

The energy present within the chemical bonds of glucose is ) converted into ATP is only about ______%

114 / 182

Conversion of one Pyruvic acid molecule into one molecule of acetyl CoA gives off one molecule of.

115 / 182

Formula of latic acid is :

116 / 182

The first step of krebs cycle is union of acetyl CoA with oxaloacetate to form :

117 / 182

Glycolysis

118 / 182

The primary electron acceptor in cyclic photophosphorylation is

119 / 182

Magnesium of chlorophyll is replaced in haemoglobin by

120 / 182

What % age of light energy falling on leaves is used up in photosynthesis?

121 / 182

The number of chloroplast in each mesophyll cell is about :

122 / 182

The area of Leaf Surface covered by stomata is only

123 / 182

The citric acid cycle.

124 / 182

During cyclic phosphrylation energy Molecules are Obtained in the form of

125 / 182

Glycolysis is the breakdown of glucose up to the formatin of :

126 / 182

In the first step of the citric acid cycle, acetyl CoA reacts with oxaloacetate to form :

127 / 182

Energy releasing process is

128 / 182

Thylakoid membranes contain:

129 / 182

In chlorophyll b, which one of the following replaces the methyl group bonded to porphyrin ?

130 / 182

Haeme porton of haemoglobin is same to porphyrin ring with a difference of :

131 / 182

_______ transfer the hydrogen atoms to respiratory ETC

132 / 182

The first action spectrum was obtained from

133 / 182

The range 380 to 750 nm is called

134 / 182

Photosynthetic prokaryotqs laks

135 / 182

Chlorophyll 'a' is :

136 / 182

Long hydrocarbon tail,of chlorophyll is also called

137 / 182

Splitting otsiugar is literally relates to

138 / 182

Electron transport intermediates are

139 / 182

The dark reaction occur in :

140 / 182

Chlorosis is due to the deficiency of

141 / 182

Acetic acid on entering the mitochandrian unites with co-enzyme -A to form :

142 / 182

Substance required for growth and repair of body

143 / 182

The time or point when there is no net gas exchange between the leaves and the atmosphere is.

144 / 182

Before pyruvate enters the citric acid cycle, it is decarboxylated, oxidized, and combined with coenzyme A, forming acetyl CoA, carbon dioxide, and one molecule of.

145 / 182

Synthesis of sugar occurs in:

146 / 182

During photosynthesis the oxycen in glucose comes from:

147 / 182

Which statement about qxidative phosphorylation is not true?

148 / 182

The final products of anaerobic respiration in yeast

149 / 182

Before pyruvate enters the citric acid cycle, It is decarboxylated, oxidized, and combined with coenzyme A, forming acetyl C9A, carbon dioxide, and one molecule of

150 / 182

Which of the followinig chlorophylls is most abundant and takes part directly In the light reaction of photosynthesis?

151 / 182

In the higher plants most established role of carotenoids is to;

152 / 182

Pyruvate is converted into acetic acid by :

153 / 182

All of the following are found In eukaryotic photosynthetic plants and algae except

154 / 182

The amount of energy of photon is Inversely relatod to_____ of light

155 / 182

Enzymes involved in cellular respiration are found in :

156 / 182

The source of oxygen / liberated during photosynthesis is:

157 / 182

Which of the following photosynthetic pigment Initiates light reaction?'

158 / 182

The NADPH molecule will provide reducing power for the synthesis of sugar in the :

159 / 182

During respiratory chain coenzyme Q is oxidized by:

160 / 182

The election transport chain system plays role in generation of ATP by

161 / 182

Isolated stroma of chloroplsts that were kept in dark, when applied with NADPH2, it will

162 / 182

The breaking of the terminal phosphate of ATP releases how many K.Cal of energy

163 / 182

The first action spectrum was obtained by :

164 / 182

The percentage of phothsynthesis carried out by terrestrial plants is about

165 / 182

The carotenes are mostly red to

166 / 182

Ferredoxin is a protein that contains

167 / 182

The colour of Xanthophyll are at

168 / 182

Which of the following chlorophyll is found along with chlorophyll is four in all enbryophytes and green algae?

169 / 182

Which shows correct series of reactions in Kreb's cycle

170 / 182

Property which not belongs to photosynthetic bacteria

171 / 182

Tick the false relationship :

172 / 182

Which of the following is the least effective in photosynthesis

173 / 182

How 3-Phosphoglycerate converted into 2 phosphoglycerate:

174 / 182

End product of anaerobic respiration in yeast :

175 / 182

Accessory Photosynthesis pigments xanthophylls are

176 / 182

Carbon dioxide enters the leaves through

177 / 182

The process of photophosphorylation was discovered by;

178 / 182

Which wavelenght of light is least absorbed by chlorophylls?

179 / 182

The colour of chlorophyll b is

180 / 182

How many ATP molecules aro prbducod In the oxidation of ono molecule of NADPH +H+ In the E.T.C of respiration.

181 / 182

Stomata covers only________ % of the leaf surface

182 / 182

In prokaryotes chlorophyll is present in the

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