Biology Toughest Practice Quiz: Test!
(171).jpg "Biology Toughest Practice Quiz: Test!")
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- 1.Organic compounds contain
- A.
Carbon and usually other elements
- B.
Many kinds of elements except carbon
- C.
Only carbon
- D.
Only carbon and nitrogen
- 2.The number of covalent bonds a carbon atom can form with other atoms is
- A.
8
- B.
2
- C.
3
- D.
4
- 3.The breakdown of polymers involve
- A.
Hydrolysis
- B.
Condensation
- C.
Polar reactions
- D.
Hydrophobic interactions
- 4.Carbohydrates
- A.
Contain only Carbon and Hydrogen
- B.
Contain only Carbon and Oxygen
- C.
Contain Carbon Hydrogen and Oxygen in a 1:2:1 ratio
- D.
Contain Carbon Hydrogen and Nitrogen in a 1:2:1 ratio
- 5.Lipids
- A.
Contain only Carbon and Hydrogen
- B.
Contain only Carbon and Oxygen
- C.
Contain only Carbon Hydrogen and Oxygen
- D.
Contain only Carbon Hydrogen Oxygen and Nitrogen
- 6.All the following are lipids except
- A.
Fatty Acids
- B.
Phospholipids
- C.
Olive Oil
- D.
Maltose
- 7.All the following are carbohydrates EXCEPT
- A.
Glucose
- B.
Cellulose
- C.
Dextrose
- D.
Catalase
- 8.Foods that contain mostly carbohydrates include all the following EXCEPT
- A.
Potatoes
- B.
Gummy Bears
- C.
Pasta
- D.
Steak
- 9.Examples of monomers include all the following expect
- A.
Monosaccharides
- B.
Disaccharides
- C.
Amino acids
- D.
Glucose
- 10.Hookes's discovery of cells was made by observing
- A.
Living algal cells
- B.
Living human blood cells
- C.
Dead plant cells
- D.
Dead protist cells
- 11.The smallest units of life in all living things are
- A.
Cells
- B.
Mitochondria
- C.
Cytoplasm
- D.
Golgi apparatus
- 12.When the volume of a cell increases, its surface ares
- A.
Increases at the same rate
- B.
Remains the same
- C.
Increases at a faster rate
- D.
Increases at a slower rate
- 13.The size to which a cell can grow is limited by its
- A.
Location
- B.
Structure
- C.
Function
- D.
Surface area
- 14.Surface area is an important factor in limiting cell growth because
- A.
The cell can burst if the membrane becomes to large
- B.
Materials cannot enter the if the surface is too large
- C.
The cell may become too large to take in enough food and to remove enough waste
- D.
Waste products cannot leave the cell if the cell is too small
- 15.One difference between prokaryotes and eukarotes is that
- A.
Nucleic acids are found in only prokaryotes
- B.
Mitochondria are found in larger quantities in eukaryotes
- C.
The Golgi apparatus is found only in prokaryotes
- D.
Prokaryotes have no nucleic membrane
- 16.Which of the following is a characteristic of prokaryotes?
- A.
They have a nucleus
- B.
They existed on Earth before eukaryotes
- C.
They organelles in their cytoplasm are surrounded by membranes
- D.
None of the above
- 17.Which of the following is an example of a prokaryotic cell?
- A.
An amoeba
- B.
A virus
- C.
A bacterium
- D.
A liver cell
- 18.Studying a picture of a cell taken within an electron microscope, you find that the cell has no nucleus and no mitochondria, but it does have a plasma membrane and a cell awl. You can conclude that the cell is probably a(n)
- A.
Animal
- B.
Plant
- C.
Prokaryote
- D.
Extinct organism
- 19.Diffusion takes place
- A.
Only through a lipid bilayer
- B.
From an area of low concentration to an area of high concentration
- C.
Only in liquids
- D.
From an area of high concentration to an area of low concentration
- 20.The dispersal of ink in a beaker of water is an example of
- A.
Diffusion
- B.
Osmosis
- C.
Selective transport
- D.
Endocytosis
- 21.As a result of diffusion, the concentration of many types of substances
- A.
Always remains greater inside a membrane
- B.
Eventually becomes balanced on both sides of a membrane
- C.
Always remains greater on the outside of a membrane
- D.
Becomes unbalanced on both sides of the membrane
- 22.Molecules that can simple diffuse through the cell membrane (pass throng the lipid bilayer) are typically
- A.
Large and in charge
- B.
Small and polar
- C.
Ionic
- D.
Non-olar
- 23.When tow solutions in different concentrations are separated by a membrane, there is a difference in concentration across the space. This is known as a
- A.
Concentration difference
- B.
Concentration gradient
- C.
Soulte differential
- D.
Water differential
- 24.Autotrophs are organisms that can
- A.
Produce food from inorganic molecules and sunlight
- B.
Survive without energy
- C.
Consume other organisms for energy
- D.
Carry out aerobic respiration
- 25.The process whereby plants capture energy and make complex molecules is known as
- A.
Homeostasis
- B.
Evolution
- C.
Photosynthesis
- D.
Development
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Sample QuestionWhat is the function of a cell wall?
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Sample QuestionAll cells contain which of the following:
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