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WorksheetsFun Science Challenge
Total questions: 10
Worksheet time: 5mins
What is the process by which plants make their food?
Transpiration
Respiration
Digestion
Photosynthesis
What gas do living beings need to breathe?
Nitrogen
Oxygen
Carbon Dioxide
Hydrogen
Why does an athlete breathe faster and deeper than usual after finishing the
race?
lactic acid accumulates in the muscle cells
Because we need more carbon dioxide
WWe need more water
We need it simply
What is respiration?
Breakdown of water in cells
Release of energy from food
Exchange of gases in lungs
Absorption of carbon dioxide
What helps in the breakdown of food in cells
during respiration?
Carbondioxide
Oxygen
Water
Light
What part of the plant absorbs water and nutrients from the soil?
Stems
Roots
Leaves
Flowers
What is aerobic respiration?
Respiration with oxygen
Breathing rate
Respiration without oxygen
Cellular respiration
Which organisms respire anaerobically?
Humans
Yeast
Frogs
Plants
What is the by-product of anaerobic respiration in muscles
Oxygen
Lactic acid
Alchohol
Glucose
What is the name of the chemical that gives plants their green color?
xanthophyll
anthocyanin
carotene
chlorophyll
