1) Which type of transport does not require the use of energy by the cell? a) passive transport b) active transport c) endocytosis d) exocytosis 2) What size of particle can move through the process of diffusion? a) large b) any size c) small d) greater than the width of the cell membrane 3) What gas is necessary for cellular respiration to take place? a) Carbon dioxide b) oxygen c) carbon monoxide d) nitrogen 4) What food is produced by photosynthesis? a) lactic acid b) protein c) lipids d) glucose 5) Which particles can go through the cell membrane? a) water b) gases such as oxygen or carbon dioxide c) small particles of food d) all of the above 6) The state of being when an internal environment is stable and stays that way. a) equilibrium b) static c) homeostasis d) happiness 7) How is the cell membrane important in getting the cell what it needs and disposing of waste? a) Lets some particles in b) keeps some particles in  c) Lets some particles out d) All of the above 8) What happens to red blood cells (about 75% water) in salty water (about 66% water)? a) they shrink b) they remain the same c) they explode d) they reproduce 9) Which cells make their own food? a) plant cells b) bacteria cells c) animal cells d) fungi cells 10) Osmosis only happens with what material? a) oxygen b) food c) carbon dioxide d) water 11) What materials can go through a semipermeable membrane? a) all materials b) no materials c) some materials 12) Which of these processes uses the least energy? a) diffusion b) exocytosis c) endocytosis d) photosynthesis 13) What is the name of the organelle required for cellular respiration? a) chloroplast b) Golgi complex c) nucleus d) mitochondria 14) What is the name of the organelle required for photosynthesis? a) Chloroplast b) Golgi complex c) Nucleus d) Mitochondrion 15) During the process of cellular respiration, which of the following IS made? a) glucose b) oxygen c) sun d) ATP 16) Which of the these organisms could be a producer? a) bear b) mushroom c) grass d) earthworm 17) What is the name of the organelle which performs photosynthesis? a) cell wall b) chloroplast c) mitochondria d) lysomes 18) Osmosis and diffusion are both examples of what kind of transport? a) active transport b) passive transport 19) In which directions do molecules move during diffusion? a) from high concentration to low concentration b) from low concentration to high concentration c) no movement at all 20) What is the organelle through which diffusion and osmosis take place? a) cell wall b) cell membrane c) mitochondria d) chloroplast 21) What is the specific molecule which is diffused during osmosis? a) water b) oxygen c) carbon dioxide d) hydrogen 22) What word describes the cell membrane that allows things like water and oxygen to move through it but not other things? a) permeable b) semipermeable c) gated

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