LIFE SCIENCE
How many pairs of chromosomes are found in human cells?
23 pairs
What are three gases that make up the atmosphere?
oxygen, carbon dioxide, and nitrogen
Which part of a plant is mainly responsible for making carbohydrates?
green leaves
What percentage of the earth surface do oceans cover?
70 %
What is the medical name for the swallow pipe?
Oesophagus
What is meant by the term Homozygous?
Homozygous is when there are the same genes.
Which layer of the atmosphere do we live in?
Troposphere
What are three things that all plants need to grow?
water, carbon dioxide, light
What are the stages of the water cycle?
evaporation, condensation, precipitation
What is the main element found is our teeth?
calcium
Which gas is a waste product produced in the lungs?
carbon dioxide
What are the names of three main oceans?
Pacific, Atlantic and Indian ocean
What are three products that contain palm oil?
toothpaste, chocolates, shampoo
What percentage of of the earth's water do the oceans contain?
97 %
What do the letters DNA mean?
DEOXYRIBOSE NUCLEIC ACID
Where in the human body are chromosomes found?
nucleus of cells
What is the name of the Earthquake fault in California?
San Andreas Fault
What are three uses of plants?
medicine, food, healing
Which is the largest ocean
Pacific ocean
What is testicular cancer?
cancer that starts in the testes
What is a gene?
basic unit of a chromosome responsible for traits
What is a tsunami?
What is the fastest growing plants?
Bamboo can grow 35 inches in a day.
What is the deepest area of the ocean?
Mariana Trench
What is a Punnett Square used for?
Determine the percentage of genotypes of offspring from parents.