science Flashcards
What are the three main components of plant cells?
chloroplasts, cell walls, and intracellular vacuoles.
True or false? Animal cells are often bigger than plant cells
false
What does the root ‘hair’ increase?
surface area
What do root hair cells absorb besides water?
minerals
in which cells does the majority of photosynthesis occur?
palisade
Which part of the female reproductive system is immediately above the vagina?
Cervix
Which part of the male reproductive system holds the testes?
Scrotum
Which term describes the time between pregnancy and birth?
Gestation
When an egg cell meets with a sperm and joins with it, this is called…
Fertilisation
The placenta is an organ that develops during pregnancy. Which of the following substances does not move through the placenta to the fetus?
Carbon dioxide
What is the role of the testes?
They produce sperm that can fertilise an egg, and the hormone; testosterone
What term is used to describe a mixture which contains a solid dissolved in a liquid?
Solution
Solution
What term describes the liquid in a solution?
Solvent
What is the name of the process when a liquid turns into a gas below the boiling point of the liquid?
Evaporation
During paper chromatography, what should be used to draw the start line?
A pencil
