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10 questions
What is the biggest artery in the human body?
Radial artery
Carotid artery
The aorta
Pulmonary artery
What is produced by photosynthesis?
water and oxygen
oxygen and carbohydrates
Water and carbohydrates
carbon dioxide and water
The most common complex sugars in plants are:
cellulose
chitin
collagen
carbohydrates
Erythrocytes are:
gut bacteria
red blood cells
white blood cells
fungal spores
The number of electrons and protons are the same.
true
false
How many bones does an adult human have?
205
206
207
200
Photosynthesis mostly occurs in which part of plants?
leaves
flower
stalk
roots
What’s the scale of the pH?
From 0 to 5.7
From 0 to 20.2
From 0 to 14.1
From where do plants get most of their nutrients?
soil
photosynthesis
water
sun
Nucleotides are made of deoxyribose, phosphate group and one of the nitrogen containing base.
True
False
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