NEW
Font size
WorksheetsPhotosynthesis Quiz
Total questions: 20
Worksheet time: 10mins
Which metal ion is a constituent of chlorophyll?
Iron
Magnesium
Copper
Zinc
Which range of wavelength (in nm) is calle photosynthetically active radiation (PAR)
100-390
390-430
400-700
760-10000
Maximum photosynthesis occurs in?
Blue
Red
Green
Violet
Dark reaction in photosynthesis is called so because
It can occur in dark also
It does not depend on light energy
It cannot occur during day light
It occurs more rapidly at night.
Number of Calvin cycles required to generate a molecule of hexose is
2
6
4
8
Plants purify air during
Photosynthesis
Respiration
Transpiration
Desiccation
Chlorophyll appears green because it
Reflects green light
Transmits green light
Absorbs green light
Transforms green light.
What is the primary purpose of photosynthesis?
To produce oxygen
To produce glucose
To absorb carbon dioxide
To release energy
Which of the following is a reactant in the process of photosynthesis?
Oxygen
Glucose
Carbon dioxide
Water
Which pigment in the chloroplast absorbs sunlight for photosynthesis?
Hemoglobin
Chlorophyll
Carotene
Phycobilin
Photosynthesis takes place in which part of the plant cell?
Mitochondria
Nucleus
Chloroplast
Ribosome
The oxygen produced during photosynthesis comes from:
Water
Carbon dioxide
Glucose
Nitrogen
In photosynthesis, the energy from sunlight is used to:
Break down glucose
Form glucose
Release carbon dioxide
Convert oxygen into carbon dioxide
Which of the following factors does NOT affect the rate of photosynthesis?
Light intensity
Temperature
Water availability
Soil colour
What is produced as a by-product of photosynthesis?
Nitrogen
Oxygen
Glucose
Carbon dioxide
The light-independent reactions of photosynthesis is also known as:
Calvin Cycle
Electron Transport Chain
Glycolysis
Krebs Cycle
Which of the following raw materials is absorbed by plants through their roots for photosynthesis?
Carbon dioxide
Oxygen
Water
Sunlight
What is the role of sunlight in photosynthesis?
It provides energy to break down glucose.
It helps in the absorption of water.
It provides energy to convert carbon dioxide and water into glucose.
It supplies carbon dioxide to the plant.
Which of the following is NOT a raw material for photosynthesis?
Carbon dioxide
Water
Oxygen
Sunlight
Which water remains available for plants.
capillary water
Hydroscopic water
Gravitational water
Chemically combined water
