Quiz about Biological molecules

Question 1

What is a biological molecule?

Accepted Answer

organic molecule found in any organism

Answer

any living thing

Answer

any nonliving thing

Answer

the building block of life

Question 2

What are the four biological molecules?

Accepted Answer

proteins, carbohydrates, lipids, nucleic acids

Answer

A, T, C, G

Answer

water, air, earth, and fire

Answer

Joe, Nick, and Kevin Jonas

Question 3

A biological polymer that stores and transmits genetic information is a ...

Accepted Answer

nucleic acid

Answer

carbohydrate

Answer

lipid

Answer

protein

Question 4

A biological polymer that stores and transmits genetic information is a ...

Accepted Answer

nucleic acid

Answer

carbohydrate

Answer

lipid

Answer

protein

Question 5

A biological polymer made of amino acid monomers is a

Accepted Answer

protein

Answer

lipid

Answer

carbohydrate

Answer

nucleic acid

Question 6

What group of biological molecules contains DNA and RNA...

Accepted Answer

Nucleic acids

Answer

carbohydrates

Answer

proteins

Answer

lipids

Question 7

What is the primary function of carbohydrates in your body?

Accepted Answer

Give immediate energy.

Answer

Speed up chemical reactions.

Answer

Help to store energy.

Answer

Build cell walls in plants.

Question 8

A group of organic molecules that includes sugars, starch, and cellulose care called...

Accepted Answer

carbohydrates

Answer

proteins

Answer

nucleic acids

Answer

lipids

Question 9

Monomer of nucleic acids; consists of a phosphate group, deoxyribose (sugar), and a nitrogen-base. ATP is an example of this.

Accepted Answer

nucleotide

Answer

steroid

Answer

polypeptide

Answer

polymer

Question 10

What are the three components of a genetic molecule?

Accepted Answer

A phosphate group, pentose sugar, and nitrogenous base

Answer

Sucrose, Fructose, and Lactose

Answer

A phosphate group, Pentose Sugar, and Oxygen base

Answer

A Carbon Group, Pentose sugar, and Oxygen Base

Question 11

What are the monomers of a polysaccharides?

Accepted Answer

Monosaccharides

Answer

Amino Acids

Answer

Nucleotides

Answer

Triglycerides

Question 12

A large, folded chain of amino acids.

Accepted Answer

protein

Answer

steroid

Answer

monosaccharide

Answer

enyzme

Question 13

Building blocks of polymers.

Accepted Answer

monomer

Answer

polypeptide

Answer

monosaccharide

Answer

glycerol

Question 14

A series of amino acids linked in a linear fashion

Accepted Answer

polypeptide

Answer

polymer

Answer

triglyceride

Answer

carbohydrates

Question 15

Carbohydrates broken down into smaller molecules for what purpose?

Accepted Answer

to provide energy

Answer

to form cell membranes

Answer

to form muscle

Answer

to transmit genetic information

Question 16

Which of the following best describes a DNA molecule?

Accepted Answer

double helix

Answer

contains ribose

Answer

made of amino acids

Answer

contains Uracil

Question 17

What type of fatty acid is this?

Accepted Answer

Saturated

Answer

Unsaturated

Answer

Monounsaturated

Question 18

The bonds linking amino acids are called

Accepted Answer

Peptide bonds

Answer

Glycosidic bonds

Answer

Ester bonds

Question 19

What two molecules make up a lipid?

Accepted Answer

glycogen and fatty acids

Answer

alpha and beta glucose

Answer

glycogen and amino acids

Question 20

Carbohydrates, proteins and lipids are broken down in reactions called...

Accepted Answer

Hydrolysis Reactions

Answer

Condensation reactions

Question 21

Carbohydrates, proteins and lipid monomers are joined in reactions called...

Accepted Answer

Condensation Reactions

Answer

Hydrolysis Reactions

Question 22

The bonds linking amino acids are called

Accepted Answer

Peptide bonds

Answer

Glycosidic bonds

Answer

Ester bonds

Question 23

The bonds linking monosaccharides into polysaccharides are called

Accepted Answer

Glycosidic bonds

Answer

Peptide bonds

Answer

Ester bonds

Question 24

The bonds linking fatty acids to glycerol in triglycerides are called

Accepted Answer

Ester bonds

Answer

Peptide bonds

Answer

Glycosidic bonds

Question 25

This is a section of which molecule?

Accepted Answer

Amylose

Answer

Amylopectin

Answer

Cellulose

Question 26

This is a section of which molecule?

Accepted Answer

Amylopectin

Answer

Amylose

Answer

Cellulose

Question 27

Which branch of the amino acid determines its overall function?

Accepted Answer

R group

Answer

Amino group

Answer

Hydrogen atom

Answer

Carboxyl Group

Question 28

What type of fatty acid is this?

Accepted Answer

Saturated

Answer

Unsaturated

Answer

Monounsaturated

Question 29

What level of protein structure is this?

Accepted Answer

Secondary

Answer

Primary

Answer

Tertiary

Answer

Quaternary

Question 30

Which isomer of glucose is this?

Accepted Answer

Beta glucose

Answer

Alpha glucose

Answer

Neither

Question 31

Which of these is not a disaccharide?

Accepted Answer

Galactose

Answer

Maltose

Answer

Sucrose

Answer

Lactose

Question 32

Which type of reaction joins monomers together?

Accepted Answer

Condensation

Answer

Hydrolysis

Answer

Glycosidic

Answer

Peptide

Question 33

Which two polysaccharides contains 1,6 glycosidic bonds?

Accepted Answer

Amylopectin and Glycogen

Answer

Amylose and Amylopectin

Answer

Cellulose and Glycogen

Answer

Glycogen and Amylose

Question 34

How many fatty acid tails do phospholipids have?

Accepted Answer

2

Answer

3

Answer

1

Answer

4

Question 35

The diagram shows the structure of something called a triglyceride. A triglyceride is a

Accepted Answer

fat

Answer

protein

Answer

carbohydrate

Answer

sugar

Question 36

If the yellow and blue circles in this diagram represent amino acids, then this whole structure represents

Accepted Answer

a protein

Answer

a fat

Answer

a reducing sugar

Answer

a simple carbohydrate

Answer

None of these

Question 37

Select the TRUE statement below

Accepted Answer

Glucose and Lactose are simple carbohydrates

Answer

Glucose and Lactose are complex carbohydrates

Answer

Glucose and Glycogen are simple carbohydrates

Answer

Glycogen and Lactose are complex carbohydrates

Question 38

Which of the following biological molecules contains the elements carbon, hydrogen and oxygen?

I. carbohydrates

II. proteins

III. fats

Accepted Answer

I, II and III

Answer

I and II only

Answer

I and III only

Answer

II and III only

Question 39

What is the function of protein in the body?

Accepted Answer

cell growth and repair

Answer

energy storage

Answer

quick energy

Answer

pushes food through the digestive system

Question 40

Which of the following biological molecules has a role in energy storage?

Accepted Answer

fat

Answer

protein

Answer

carbohydrate

Answer

vitamins

Question 41

Which of the following molecules is a quick source of energy?

Accepted Answer

carbohydrate

Answer

fat

Answer

protein

Answer

water

Question 42

Which carbohydrate strengthens plant cell walls?

Accepted Answer

cellulose

Answer

glucose

Answer

starch

Answer

glycogen

Question 43

Which carbohydrate is stored in animal cells?

Accepted Answer

glycogen

Answer

starch

Answer

glucose

Answer

cellulose

Question 44

Which of the following biological molecules are made of glucose?

I. cellulose

II. glycogen

III. starch

Accepted Answer

I, II and III

Answer

I and II only

Answer

I and III only

Answer

II and III only

Question 45

Which of the following biological molecules contain a type of acid?

I. carbohydrates

II. fats

III. proteins

Accepted Answer

II and III only

Answer

I and II only

Answer

I and III only

Answer

I, II and III

Question 46

Which type of biological molecule is shown in the picture?

Accepted Answer

fat

Answer

carbohydrate

Answer

protein

Answer

vitamin

Question 47

Which of the following are true for both starch and a protein?

I. They are long chains

II. They contain nitrogen

III. They contain hydrogen

Accepted Answer

I and III only

Answer

I only

Answer

I and II only

Answer

III only

Question 48

In humans, if too much glucose is present in the blood, it is taken to the liver.

In the liver these extra glucose molecules are joined together to form a larger carbohydrate.

What is the name of this larger carbohydrate?

Accepted Answer

glycogen

Answer

starch

Answer

cellulose

Answer

glycerol

Question 49

Which of the following could make one protein different to another protein?

I. the number of amino acids it contains

II. the sequence of amino acids

III. they contain amino acids

Accepted Answer

I and II only

Answer

I and III only

Answer

II and III only

Answer

I, II and III

Question 50

Which of these is not a type of lipid?

Accepted Answer

Glucose

Answer

Steroid hormone

Answer

Phospholipid

Answer

Triglyceride

Question 51

Haemoglobin is an example of a...

Accepted Answer

Protein

Answer

Carbohydrate

Answer

Lipid

Question 52

Which of these is a lipid?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 53

The DNA molecule consists of monomers known as

Accepted Answer

nucleotide

Answer

nucleoside

Answer

pyrimidine

Answer

purine

Biological molecules

53 questions

What is a biological molecule?

What are the four biological molecules?

A biological polymer that stores and transmits genetic information is a ...

A biological polymer that stores and transmits genetic information is a ...

A biological polymer made of amino acid monomers is a

What group of biological molecules contains DNA and RNA...

What is the primary function of carbohydrates in your body?

A group of organic molecules that includes sugars, starch, and cellulose care called...

Monomer of nucleic acids; consists of a phosphate group, deoxyribose (sugar), and a nitrogen-base. ATP is an example of this.

What are the three components of a genetic molecule?

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