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Biology Fsc Part 1 Chapter 11 Online Test MCQs With Answers
Question # 1
Magnesium is an important untrient ion in green plants as it is an essential component of
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Cell sap
Protein
Chlorophyll
Glucose
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Question # 2
Engelmann used in his experiment in 1883
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sprogyra
Aerobic bacteria
Anaerobic bacteria
Both a and b
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Question # 3
Glycolysis is the breakdown of glucose up to the information of.
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Acetic acid
Citric acid
Oxalic acid
Pyruvic acid
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Question # 4
Photosynthetic pigments are the substances that absorb visible light having wave length.
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150-340 nm
230-450 nm
380-750 nm
350-780 nm
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Question # 5
From one pyruvate passing through Krebs cycle how many FADH2 molecules are formed.
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01
02
03
04
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Question # 6
During respiratory chain co enzyme Q is oxidized.
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Cytochrome a
Cytochrome b
Cytochrome c
Cytochrome a3
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Question # 7
Daily rhythmic opening and closing of stomata is.
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Internal clock
External clock
Both internal and external clock
None of these
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Question # 8
Thylakoid membranes are involved in ATP synthesis by.
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Glycolysis
Dark reaction
Chemlosmosis
Photolysis
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Question # 9
the light falling on leaf surface is absorbed about.
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1%
25%
50%
100%
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Question # 10
Glycolysis
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Produces no ATP
It is same as fermentation
Takes place in the mitochondria
Reduces two molecules of NAD
+
For every glucose molecule processed
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Question # 11
Carbon fixation refers to the initial incorporation of
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Carbon
Oxygen
CO
2
Hydrogen
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Question # 12
Calvin cycle is also known as
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C1 Pathway
C2 pathway
C3 Pathway
C4 Pathway
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Question # 13
The breaking of terminal phosphate of ATP releases energy of about.
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4.5 Kcal
6.5 Kcal
7.3 Kcal
3.7 Kcal
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Question # 14
Van Niel hypothesized that source of oxygen during photosynthesis is.
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Water
NADP
Chlorophyll
Carbon di oxide
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Question # 15
The product of succinic acid by the action of enzyme is.
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Citric acid
Pyruvic acid
Malonic acid
Fumaric Acid
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Question # 16
Absorption of blue light is maximum at
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430 nm
550 nm
750 nm
670 nm
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Question # 17
Which is stimulus for cyclic phosphorylation.
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Low CO2
Low O2
Low ATP
Low NADPH
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Question # 18
In the citric acid cycle acetyle COA reacts with oxaloacetate to form
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Pyruvate
ATP
NADH
Citrate
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