Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Cell and Molecular Biology (Bio225) Midterm Examination

Total questions: 54

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

This molecules is a ______________

a)

amino acid

b)

nucleic acid

c)

carbohydrates

d)

lipid

2.

 Which of the following elements is NOT found in carbohydrates?

a)

Carbon

b)

Hydrogen

c)

Nitrogen

d)

Oxygen

3.

Simple sugars, like glucose, are called __________.

a)

monosaccharides

b)

disaccharides

c)

polysaccharides

d)

starch

4.

Many __________ come together to form one ______________.

a)

monomers; polymer

b)

polymers; monomer

5.

Glycerol and fatty acids are the monomers of ____________.

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

6.

Lipids are made of... ..

a)

CHO

b)

CHON

c)

CHONP

d)

CHONS

7.

Which macromolecule is this?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

8.

_________ is a carbohydrate polymer that humans cannot digest and that make up cell walls of plants.

a)

Starch

b)

Cellulose

c)

Glucose

d)

Lactose

9.

The monomer unit for cellulose is...

a)

Glucose

b)

Galactose

c)

Amino acids

d)

Glucose and fructose

10.

Which of the following monosaccharide combination produces sucrose?

a)

Glucose + fructose

b)

Glucose + galactose

c)

Fructose + galactose

d)

Glucose + glucose

11.

Which of the following tests for starch?

a)

Iodine

b)

Benedict's

c)

Biuret

d)

Emulsion

12.

When starch is present iodine turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

13.

A negative test for starch will cause Iodine to stay...

a)

orange/red

b)

blue

c)

black

d)

brick red

14.

How do you test for lipids?

a)

By using ethanol and water

b)

By using Benedict's solution

c)

By using Iodine

d)

By using Biuret test

15.

What is a positive result for the lipid emulsion test?

a)

milky white color

b)

clear

c)

yellow

d)

green

16.

DNA and RNA are examples of...

a)

proteins

b)

nucleic acids

c)

carbohydrates

d)

lipids

17.

What is the function of nucleic acids?

a)

Stores energy

b)

Stores genetic information

c)

Movement

d)

Physical structure

18.

What is the monomer of nucleic acids?

a)

Glycerol

b)

Monosaccharides

c)

Amino Acids

d)

Nucleotides

19.

Which macromolecule is shown?

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrates

20.

Proteins are made of monomers called ___________

a)

Nucleotides

b)

Monosaccharides

c)

Amino Acids

d)

Glycerol and fatty acids

21.

Which macromolecule is shown?

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

22.

What type of macromolecule are enzymes?

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

23.

_________ are composed out of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P)

a)

carbohydrate

b)

lipids

c)

proteins

d)

nucleic acids

24.

Which of the following are examples of protein?

a)

cutin, waxes, fats, oils

b)

Collagen, enzymes, hemoglobin, insulin, and antibodies

c)

DNA& RNA

d)

Glucose, sucrose, glycogen, and cellulose

25.

Basic unit of structure and function of living things is called:

a)

Cell

b)

Atom

c)

Molecules

d)

Nucleus

26.

Rigid layer that surrounds plant cells is called___________.

a)

Cell Membrane

b)

Cell Wall

c)

ER

d)

Golgi Bodies

27.

Control center of the cell:

a)

ER

b)

Golgi Bodies

c)

Cell Membrane

d)

Nucleus

28.

Widely accepted explanation of the relationship between cells and living things:

a)

Cell Theory

b)

Theory of Gravity

c)

Theory of Evolution

d)

None of These

29.

This layer surrounds the cell and controls what substances come into and out of a cell:

a)

Cell Wall

b)

Nucleus

c)

Mitochondria

d)

Cell Membrane

30.

Tiny cell structures that carry out specific functions in the cell:

a)

Organelles

b)

Organs

c)

Cytoplasm

d)

Mitochondria

31.

The invention of the ________ lead to the discovery of cells because it can magnify small objects to make them appear bigger.

a)

Telescope

b)

Microscope

c)

Barometer

d)

Anemometer

32.

Small structures within all cells that make proteins:

a)

Ribosomes

b)

Mitochondria

c)

Nucleus

d)

ER

33.

This organelle is known as “powerhouse” of cell because it converts food into energy during cell respiration.

a)

Nucleus

b)

Cell Membrane

c)

Mitochondria

d)

Golgi Bodies

34.

Storage area for a cell is called:

a)

Nucleus

b)

Ribosome

c)

Vacuole

d)

ER

35.

Clear, gel-like fluid in a cell:

a)

Cytoplasm

b)

Chloroplast

c)

Mitochondria

d)

Cell Membrane

36.

This organelle contains digestive chemicals that break down certain materials in a cell like a recycling center:

a)

Lysosome

b)

Chloroplast

c)

Golgi Bodies

d)

Mitochondria

37.

This organelle forms passageways in which proteins and other materials are carried from one part of the cell to another like a road:

a)

Chloroplast

b)

Nucleus

c)

Endoplasmic Reticulum

d)

Ribosomes

38.

Green organelle that captures sunlight and uses it to produce food for a plant cell:

a)

Cell Membrane

b)

Cytoplasm

c)

Chloroplast

d)

Cell Wall

39.

This cell organelle receives proteins from the endoplasmic reticulum, packages, and delivers them to other parts of a cell:

a)

Mitochondria

b)

Nucleus

c)

Golgi Bodies

d)

Ribosomes

40.

What 3 cell parts are found in PLANT cells, but not animal cells? (Check all that apply.)

a)

Cell Wall

b)

Large Vacuole

c)

Mitochondria

d)

Chloroplast

e)

Nucleus

41.

Which of the following is NOT part of the cell theory?

a)

All living things are composed of cells.

b)

All cells are produced from other cells.

c)

All cells have a nucleus and chloroplasts.

d)

Cells are the basic unit of structure and function in living things.

42.

Which scientist discovered and named cells after “small rooms”?

a)

Robert Hooke

b)

Anton Van Leeuwenhoek

c)

Matthias Schleiden

d)

Theodor Schwann

43.

What did Theodor Schwann discover about cells?

a)

All plants are made of cells.

b)

All animals are made of cells.

c)

Cells come from other cells.

d)

None of these

44.

Cells with a nucleus like plant and animal cells are also:

a)

Prokaryotic Cells

b)

Eukaryotic Cells

c)

Bacteria Cells

d)

All of these

45.

This is part of his work.

a)

Robert Hooke

b)

Anton Van Leeuweenhoek

c)

Robert Brown

d)

Rudolf Virchow

46.

Which statement is a part of the cell theory?

a)

bacteria are prokaryotic cells

b)

all cells come from preexisting cells

c)

eukaryotic cells are complex

d)

humans are multicellular

47.

Which of the following scientists was the first to observe bacteria?

a)

Anton van Leuwenhoek

b)

Matthias Schleiden

c)

Robert Hooke

d)

Theodor Schwann

48.

Cell theory states:

a)

All living cells must have a cell wall.

b)

 All living cells require glucose for survival.

c)

All cells contain a nucleus

d)

The basic unit of life is a cell.

49.

Which of the following scientists concluded that all animals are made of cells?

a)

Rudolf Virchow

b)

Matthias Schleiden

c)

Robert Hooke

d)

Theodor Schwann

50.

Cells are often called "the ____ of life."

a)

bread

b)

road map

c)

building blocks

d)

meaning

51.

Discuss fully the process and how emulsion test detects lipids (10 pts).

4 lines
52.

What are the steps in doing DNA extraction at home? Explain the importance of DNA in an organism. (15 pts)

4 lines
53.

Label the parts of prokaryotic cell. Give the function of each parts. (10 pts)

4 lines
54.

Label the parts and state the function of each organelle. (15 pts)

4 lines