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Assessment on Chemical Reaction and Biomolecules

Total questions: 40

Worksheet time: 24mins

Name
Class
Date
1.
NAME (Last Name, First Name, Middle Initial)
4 lines
2.
SECTION
a)

CHARITY

b)

FAITH

c)

JOY

d)

HOPE

e)

LOVE

3.
Below are examples of sugar that serves as monomer for carbohydrates except for one (1)
a)

galactose

b)

glucose

c)

acetose

d)

fructose

4.
Below are the 4 major biomolecules except one (1).
a)

proteins

b)

carbohydrates

c)

vitamins

d)

lipids

5.
The following are the nitrogenous basis for nucleic acid except one (1).
a)

adenine

b)

glycerin

c)

thymine

d)

uracil

6.
What evidence of chemical reaction is not present on the image below?
a)

formation of gas

b)

change of odor

c)

creation of precipitate

d)

rise in temperature

7.
The following are pros of chemical reaction except one (1).
a)

It is abundant and a good prospect for power and other processes.

b)

A foundation of economic processes

c)

Leaves toxic waste and by products.

d)

Already embedded on the society and needs for the survival of living organisms.

8.
The following are cons of chemical reaction except one (1).
a)

Its combustion property pose harm to people.

b)

Chemical reaction can be stored and produce sustainable resource.

c)

It has limitations and cannot be undone most of the time.

d)

There are long term consequences and is also expensive for some instances.

9.
What type of chemical reaction is seen on the illustration?
a)

decomposition

b)

synthesis

c)

single displacement

d)

double displacement

10.

Determine the type of reaction on this chemical equation

K + NaCl         \rightarrow      KCl + Na.

a)

synthesis

b)

decomposition

c)

single displacement

d)

double displacement

11.

What type of reaction breaks off compounds into simple elements as a product after the chemical change?

a)

single displacement

b)

synthesis

c)

decomposition

d)

double displacement

12.

Known as the salt metathesis reaction where compounds exchange bonds between their elements e.g. HCl + NaOH \rightarrow     NaCl + H2O

a)

double displacement

b)

single displacement

c)

decomposition

d)

synthesis

13.

The location where a reaction takes place and chemical components utilized in a reaction.

a)

catalyst

b)

surface area    

c)

change of temperature

d)

concentration  

14.

This is a factor of chemical reaction that speeds up or increases the reaction rate.

a)

concentration  

b)

catalyst

c)

change of temperature

d)

surface area

15.

What do you call the abundance of a constituent divided by the total volume of a mixture or the thickness of the substance involved in the chemical reaction.

a)

concentration  

b)

surface area

c)

            catalyst

d)

change of temperature

16.

This factor occurs when the flow of heat within the chemical equation shifts due to the reaction of the reactants either warmth decreases or increases.

a)

change of temperature

b)

concentration  

c)

            catalyst

d)

surface area    

17.

This is composed of carbon, hydrogen and oxygen atoms which serves as main source of energy and acts as a structural unit.

a)

carbohydrates 

b)

lipids

c)

nucleic acids

d)

protein

18.

The (a)   is a Greek word that is the origin of the term “biomolecules” which means life.

19.

The (a)   is known as the building block of life supporting life processes and is produced by living organisms.

20.

This is certain evidence of chemical reaction when 2 or more liquid substances react with each other creating a deposit or solid-like product.

(a)  

21.

Basic unit of lipids composed of 3 molecules of fatty acids.

(a)  

22.

These biomolecules store all the genetic information of living organisms for their survival and involved in protein synthesis.

(a)  

23.

This molecule transport substances in an organism such as oxygen and iron and is also involved in the control of rate reactions through enzymes.

(a)  

24.

These are molecules insoluble in water that serves as insolation and protection of living organisms.

a)

carbohydrates

b)

lipids   

c)

nucleic acids

d)

protein

25.

A type of biomolecule that serves as chemical messenger and a major component for cell membrane formation.

a)

carbohydrates

b)

nucleic acids

c)

lipids

d)

protein

26.

Biomolecule that is used for the formation of tissues, bones and organs.

a)

protein

b)

carbohydrates

c)

lipids   

d)

nucleic acids

27.

These are organic compounds that are needed to form proteins and also needed for the body to function well.

a)

glucose

b)

amino acid

c)

glycerol

d)

nucleotide

28.

This is a type of sugar that acts as monomer for carbohydrates that acts as a major source of energy.

a)

amino acid

b)

glycerol

c)

glucose

d)

nucleotide

29.

This is a type of stored glucose that acts as food storage for animals.

(a)  

30.

A form of carbohydrate that is needed to create exoskeleton for insects and crustaceans.

(a)  

31.

These carbohydrates are storage of energy for plants and is also a by-product of photosynthesis.

(a)  

32.

A type of carbohydrate that is used in making cell walls for plants.

(a)  

33.

This is a type of fat that has single bond and/or chain found in butter , cheese and red meat.

a)

saturated  fats 

b)

trans fats

c)

unsaturated fats

d)

cholesterol

34.

A nucleic acid that has phosphate backbone with bases adenine, cytosine, thymine and guanine.

a)

mitochondria

b)

dna

c)

chloroplast

d)

rna

35.

These are essential for bodily functions such as helping the body fight infection. It is an organic compound found mostly in fruits and currently recognized with 13 types such as riboflavin and niacin.

a)

minerals

b)

amino acids

c)

nucleotides

d)

vitamins

36.

A single strand nucleic acid that acts as messenger, translator and serves other functions related to genetics.

a)

rna

b)

amino acid

c)

dna

d)

glycerol

37.

This is a type of fat that has double bonds found mostly in avocado, olives and nuts.

a)

cholesterol

b)

saturated fat

c)

trans fat

d)

unsaturated fat

38.

These are elements in food that the body needs to develop and function well such as magnesium, iodine and calcium.

a)

amino acids

b)

vitamins

c)

nucleotides

d)

minerals

39.

This is the process used by plants and other organisms to convert light energy into chemical energy through cellular respiration creating oxygen and glucose as by-products.

(a)  

40.

What do you call the substances that takes part in and undergoes change during a chemical reaction creating a new product on the process.

(a)