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Online Tests
Biology Fsc Part 1 Chapter 11 Online Test MCQs With Answers
Question # 1
Photosynthetic pigments organized into clusters are called.
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Tkoids
Photosynthesis
Stroma
Granna
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Question # 2
Carbon fixation refers to the initial incorporation of
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Carbon
Oxygen
CO
2
Hydrogen
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Question # 3
Chlorophyll 'a' is
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Yellow green
Orange green
Blue green
Green black
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Question # 4
Which one of the following is not concerned with oxidative phosphorylation.
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Co enzyme Q
Cytochrome b
Cytochrome a3
Plastocyanin
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Question # 5
pH gradient drives the formation of ATP across membrane in the process called.
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Respiration
Chemiosmosis
Conduction
Calvin cycle
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Question # 6
Glycolysis is the break down of
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Fructose
Glucose
Lactose
Maltose
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Question # 7
Carbon di oxide enters the leaves through.
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epidermis
Cuticle
Stomata
Air space
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Question # 8
Conversion of one pyruvic acid into one acetyl Co A gives off one molecule of.
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ATP
Oxygen
Water
Carbon di oxide
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Question # 9
Which statement about the chemiosmotic mechanism is not true
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Protons return through the membrane by way of a channel protein
Proton are pumped across a membrane
Proton pumping is associated with the respiratory chain
Has no connection with the respiratory chain
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Question # 10
The dark reaction occurs in.
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Cytoplasm
chloroplast
Stroma
Grana
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Question # 11
The first step of krebs cycle is union of acetyl co A with oxaloacetate to form.
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Isocitrate
Citrate
Malate
Alpha ketoglutarate
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Question # 12
Quantitative study of energy relationship in biological system is called.
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Bioenergetics
Biodegradation
Biosynthesis
Biotechnology
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Question # 13
Pyruvic acid the end product of glycolysis before entering the krebs cycle is changed into a two carbon compound.
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Citric acid
Acetic acid
succinic acid
None of these
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Question # 14
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 # 15
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 # 16
Haem portion of hemoglobin is also a porphyria ring but containing an iron atom instead of.
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Nitrogen atom
Sulpher atom
Magnesium atom
Potassium atom
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Question # 17
Which one of the copper containing proteins.
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Ferredoxin
Plastocyanin
Plastogulnone
Cytochromes
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