Biology Exam I: A Quiz On Cells And The Important Macromolecules

62 Questions | By Nadine317 | Updated: Mar 22, 2022 | Attempts: 5824

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Biology Exam I: A Quiz On Cells And The Important Macromolecules - Quiz

Hello, and welcome to Biology Exam I, where we will be taking a close look at one of the most important topics within the scientific study; cells! How much can you tell us about cells, as well as the essential macromolecules? Take the quiz, and we’ll all find out together!

Questions and Answers

1.

Biology is the study of...
- A.
  
  Research
- B.
  
  Living things
- C.
  
  Ecology and evolution
- D.
  
  None of the above
2.

Enzymes...
- A.
  
  Compose much of th physical structure and framework of an organism
- B.
  
  Are proteins
- C.
  
  Are composed of repeating subunits of mono saccharides
- D.
  
  Form part of the most complex nucleic acids
3.

Nucleic acids are composed of repeating units of
- A.
  
  Amino acids
- B.
  
  Carbon
- C.
  
  Nucleotides
- D.
  
  Fatty acids
4.

The entire surface of the earth that contains living organisms is called the
- A.
  
  Biosphere
- B.
  
  Environment
- C.
  
  Atmosphere
- D.
  
  Universe
5.

There are 20 different amino acids in living organisms. these amino acids form
- A.
  
  Nucleic acids
- B.
  
  Proteins
- C.
  
  Lipids
- D.
  
  Carbohydrates
6.

The stucture of nearly all organic molecules and important macromolecules is based upon
- A.
  
  Amino acids
- B.
  
  Carbon
- C.
  
  Hydrogen bonds
- D.
  
  Water
7.

Which substance would you expect to have a pH similar to that of human blood.
- A.
  
  The ocean
- B.
  
  Coffee
- C.
  
  A large lake
- D.
  
  Both a & c
8.

The smallest unit that can carry out all activities we associate with life is
- A.
  
  Organelle
- B.
  
  Cell
- C.
  
  Tissue
- D.
  
  Organism
9.

Which is true of all cells
- A.
  
  Go through carious developmental stages
- B.
  
  Respond to light
- C.
  
  Can move from one location to another
- D.
  
  Derived from previously existing cells
10.

Many of the properties of water that are important in biology are due to _________ in individual water molecules and ________ among multiple water molecules
11.

Which is true of a solution with a pH of 2.5
- A.
  
  Has a high concentration of OH molecules
- B.
  
  Has a low concentration of H+ molecules
- C.
  
  Has approximately equal number H+ and OH molecules
- D.
  
  Has a low concentration of H+ molecules
12.

Which type of molecules would you expect to easily dissolve in water
- A.
  
  Charged molecules
- B.
  
  Non-polar molecules
- C.
  
  Polar molecules
- D.
  
  Both a & c
13.

The basis for the occurrence of evolution within organism is
- A.
  
  Death
- B.
  
  Genetics
- C.
  
  Repdators
- D.
  
  Cells
14.

A 6-carbon simple sugar that forms long chaing of carbohydrates such as starch and cellulose is
- A.
  
  Sucrose
- B.
  
  Amino acids
- C.
  
  Disaccharides
- D.
  
  Glucose
15.

Cholesterol and steroid hormones are among biologically important macromolecules grouped into
- A.
  
  Proteins
- B.
  
  Lipids
- C.
  
  Carbs
- D.
  
  Nucleic acids
16.

Many of the thermal properties of water that are important fro life result from interaction of many water molecules at the level of
- A.
  
  Triple bonds
- B.
  
  Hydrogen bonds
- C.
  
  Freezing
- D.
  
  Polarity
17.

A primary function of lipids in organisms is
- A.
  
  Component of a cell membrane
- B.
  
  Energy
- C.
  
  Hormones
- D.
  
  All of these
18.

Which of the following is not a characteristic of living things
- A.
  
  Interaction
- B.
  
  Multicellular
- C.
  
  Energy transformation
- D.
  
  Reproduction
19.

Which of these pairs is mismatched
- A.
  
  Monosaccharides-cellulose
- B.
  
  Disaccharides-glucose
- C.
  
  Polysaccharides-sucrose
- D.
  
  All of these are incorrectly matched
20.

Which is found in a typical P cell
- A.
  
  Ribosomes
- B.
  
  Nucleous
- C.
  
  Dna
- D.
  
  Both c & d
21.

An organelle associated with packaging proteins and export from the cell
- A.
  
  Plastids
- B.
  
  Lysosomes
- C.
  
  Golgi body
- D.
  
  Ribosomes
22.

The lipid bilayer of cell membranes has an arrangement where the hydrophobic ends of the phospholipids are
- A.
  
  On the inside of the bilayer
- B.
  
  Oriented to completely pass the bilayer
- C.
  
  Very rigidly anchored in place
- D.
  
  On the outside of the bilayer
23.

Active transports of substances across a cell membrane differs from passive transport in that
- A.
  
  Active transport requires energy and passive transport does not
- B.
  
  Active transport moves molecules against their concentration gradient
- C.
  
  Passive transport usually involves small uncharged molecules
- D.
  
  All of these
24.

The major structural component of a cell membrane in the part that gives the membrane many of the Perm. membrane is
- A.
  
  Cholesterol
- B.
  
  Glycolipids
- C.
  
  Phospholipids
- D.
  
  Proteins
25.

The energy requiring movement of materials against a concentration gradient is
- A.
  
  Active transport
- B.
  
  Secondary active transport
- C.
  
  Facilitated diffusion
- D.
  
  Osmosis