Food and nutrition
Someone’s diet is
what they eat
Primula vulgaris is the scientific name for wild primroses. What genus do wild primroses belong to?
Primula
Carbon dioxide can be detected using:
limewater
The symbol for carbon is
C
What is used to test a food for starch?
Iodine solution
What is fertilisation?
a male and a female gamete fuse
When zinc burns in oxygen it forms:
zinc oxide
The elements are arranged in the periodic table in order of increasing:
atomic number
Proteins are mainly used in the body for:
growth and repair
What is the function of the anther?
makes pollen grains
The three sides of a fire triangle are:
heat, oxygen, fuel
The main difference between a chemical change and a physical change is that in a chemical change you always get:
a new substance being formed
Digested food mainly passes into the blood by the process of:
diffusion
The seeds inside an apple are dispersed by:
animals that eat them
What happens in an exothermic reaction?
Energy is released that increases the temperature of the surroundings.
What is formed when magnesium ribbon reacts with oxygen?
magnesium oxide
What is digestion
the process in which insoluble food substances are broken up into soluble ones so that they can be taken in by the small intestine
The raw materials for photosynthesis are:
carbon dioxide and water
What does global warming mean?
The additional warming effect caused by increasing amounts of carbon dioxide in the air
Francium is a very rare element found at the bottom of group 1. Francium is likely to be:
a metal that reacts violently with water.