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Online Tests
Biology 9th Class English Medium Chapter 7 Online Test MCQs With Answers
Question # 1
In dark reaction first of all CO
2
combines with:
Choose an answer
5-carbon compound
6-carbon compound
3-carbon compound
Already present glucose
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Question # 2
Photosynthesis is a /an _____ process.
Choose an answer
Metabolic
Catabolic
Anabolic
Chemical
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Question # 3
______________ is an inorganic compound of carbon which have poor energy value.
Choose an answer
Glucose
ATP
CO
2
NADPH
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Question # 4
In which of the following steps of respiration, CO2 is produced?
Choose an answer
Glycolysis
Krebs cycle
Electron trransport
All of these
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Question # 5
In which component of the leaf cells, chlorophill is present?
Choose an answer
Stroma
Thylakoids
Plasma membrane
Cytoplasm
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Question # 6
The water and carbon dioxide are the ................ in photosynthesis.
Choose an answer
Reactants
Products
Both
None
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Question # 7
At ..............°C the process of photosynthesis stops.
Choose an answer
20°C
30°C
25°C
45°cC
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Question # 8
.......... is the most abundant .
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Chlorophyll a
Chlorophyll b
Chlorophyll c
Chlorophyll d
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Question # 9
There are ......... types of photosystem.
Choose an answer
One
Two
Three
Four
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Question # 10
Exchange of water vapours and gases occurs in leaf through:
Choose an answer
Stomata
Epidermics
Xylem
Phloem
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Question # 11
Redox reactions involve exchange of ____________
Choose an answer
Electrons
Protons
Neutrons
Atoms
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Question # 12
Oxygen takes part in aerobic respiration is:
Choose an answer
Glycolysis
Link step between Glycolysis and Krebs cycle
Krebs cycle
Electron transport chain
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Question # 13
Bactelio-chlorophyll is found in ............ .
Choose an answer
Virus
Bacteria
Both
None
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Question # 14
In which compound of the leaf cells, chlorophyll is present?
Choose an answer
Stroma
Thylakoids
Plasma membrane
Cytoplasm
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Question # 15
The green portion is minaly reflected therefore chlorophull appears .............. .
Choose an answer
Green
Blue
White
Black
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Question # 16
Most of the energy during ATP formation escapes in the form of:
Choose an answer
Waves
Bonds
Heat
Chemical
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Question # 17
Which of following set of organisms can synthesize their own food?
Choose an answer
Plants, fungi, protozoans
Fungi, algae, bacteria
Plants, photosynthetic bacteria, algae
Plants, non photosynthetic bacteria algae
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Question # 18
Pyruvic acid is produced in ______ respiration:
Choose an answer
Aeorbic
Anaerobic
Both aerobic and anaerobic
None of these
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