2nd 6 Weeks End of Unit Review (Includes 1st 6 Weeks material)
Question 1- 2 points • Identify 2 organelles found in plant cells, but not in animal cells.
Possible Answers: • Large central vacuole • Cell wall • Chloroplast • chlorophyll
Question 2 – 3 points • Identify the 3 parts of the cell theory.
All cells are composed of 1 or more cells. • All cells come from previous cells. • Cells are the building blocks of life.
Question 3 – 2 points Explain why mitochondria can be nicknamed the “Mighty Mitochondria”.
Question 4 – 2 points Explain why the nucleus is the “brain” of the cell.
The nucleus controls all the functions of the cell, which is similar to how the brain controls almost all the functions of the body.
Question 5 – 3 points List the levels of organization from organism down to the cell.
Question 6 – 2 points Cells’ shapes are determined by their _ _ _ _ _ _ _ _.
Question 7 – 2 points Identify the organ that acts similarly to a cell membrane.
Question 8 – 2 points What is the job of a plant cell wall?
Plant cell walls provide rigid support, structure, and added protection for the plant cell.
Question 9 – 1 point Which of the following is an organic compound? • NaCl • H2O • C3H8 • HCl
Question 10 – 2 points Give one example of physical digestion.
Chewing • Churning food in your stomach • Water being absorbed in the large intestine
Question 11 – 2 points Give an example of chemical digestion.
Saliva breaking down carbohydrates in your mouth. • Stomach acids breaking down proteins in your stomach. • Bile breaking down lipids in your small intestine.
Question 12 – 2 points Which of the following elements is not found in a Carbohydrate? • Carbon • Hydrogen • Oxygen • Nitrogen
Question 13 – 3 points List 3 functions of the skeletal system.
Possible Answers: 1- protect internal organs 2- provide a frame for the body 3- store materials such as calcium 4- produce blood cells 5- enable the body to move by the muscles being attached to them and pulling on them when contracting
Question 14 – 2 points Which body system is mainly responsible for taking in Oxygen and releasing Carbon Dioxide?
Question 15 – 4 points Explain how the circulatory system works with the respiratory system.
The circulatory system circulates blood throughout the body. It must get Oxygen from the Respiratory System, then carry the Oxygen in the blood to all the cells of the body.
Question 16 – 2 points Which organ produces bile, which helps break down fats and carbohydrates in the small intestine?
Question 17 – 3 points Give an example of a situation where chemical energy is converted to thermal energy.
Possible answer: • A polar bear eats fish and generates body heat to stay warm. • A battery powered toaster. • Humans eating a hamburger and maintaining their 98.6 degree temp even when it is 40 degrees outside.
Question 18 – 2 points What system helps prevent bacteria from entering our body?
Question 19 – 2 points Finish the sentence: All organic compounds contain the element __________.
Question 20 – 2 points What molecule do proteins break down in to?
Question 21 – 2 points What complex molecule do 3 fatty acids and 1 glycerol make?
Question 22 – 2 points What are 2 functions of lipids?
Store energy • Insulate from outside dangers • Provide structure for cell membranes
Question 23 – 2 points Carbohydrates are broken down in to _____________.
Question 24 – 3 points What is the formula for 1 molecule of sugar?
Question 25 – 3 points What process in nature converts radiant energy to chemical energy?