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END OF YEAR HUMAN & SOCIAL BIOLOGY 2023

Total questions: 125

Worksheet time: 2hrs 59mins

Name
Class
Date
1.

Biology is the study of...

a)

living things

b)

gravity

c)

chemical reactions

d)

social relationships

2.

Which structure enables a plant to perform photosynthesis?

a)

cell wall

b)

cell membrane

c)

mitochondria

d)

chloroplast

3.

Multiple cells working together for the same purpose form a/an

a)

tissue

b)

organ

c)

organ system

d)

multicellular organism

4.

When an organism has many organs working together for the same purpose, they form a/an

a)

tissue

b)

organ

c)

organ system

d)

multicellular organism

5.

The control center of the cell is known as...

a)

cytoplasm

b)

mitochondria

c)

nucleus

d)

chloroplast

6.

What is cell differentiation?

a)

The process where unspecialized cells become different in structure and function.

b)

When DNA controls the cell cycle.

c)

The ability of cells to make more cells.

d)

The ability of cells to maintain homeostasis.

7.
Which of the following is NOT a microbe?
a)
Bacteria
b)
Virus
c)
Worm
d)
Fungus
8.
Athletes foot is caused by this type of organism
a)
Bacteria
b)
Protists
c)
Fungi
d)
Virus
9.

Which type of specialized cell has many mitochondria and changes size (contracts)?

a)

red blood cells

b)

squamous (skin) cells

c)

muscle cells

d)

white blood cells (macrophages)

e)

nerve cells (neurons)

10.

Which type of specialized cell protects the body by destroying germs?

a)

red blood cells

b)

squamous (skin) cells

c)

muscle cells

d)

white blood cells (macrophages)

e)

nerve cells (neurons)

11.

Which type of specialized cell carries electrical signals through the body to the brain?

a)

red blood cells

b)

squamous (skin) cells

c)

muscle cells

d)

white blood cells (macrophages)

e)

nerve cells (neurons)

12.

Your mother sprays some expensive perfume in one room of the house. She leaves the door opened and the scent travels throughout the house. What is responsible for this?

a)

Active Transport

b)

Osmosis

c)

Diffusion

d)

Transpiration

13.

When potatoes are placed into a pot of boiling salt water, they eventually become salty to taste. Why does this happen?

a)

Transpiration

b)

Active Transport

c)

Diffusion

d)

Osmosis

14.

Which statement is incorrect?

a)

Both osmosis and diffusion require energy to be carried out.

b)

Diffusion can occur through a partially permeable membrane.

c)

Both diffusion and osmosis involve movement from higher concentration to lower concentration.

d)

Osmosis only involves the movement of water particles.

15.

What will happen to an animal cell that is placed in pure water?

a)

The cell will become plasmolyzed.

b)

Water from inside the cell will go into the pure water outside of the cell.

c)

It will swell and remain turgid as long as it is in the water.

d)

It will eventually swell due to the high water intake until it bursts.

16.

Active transport is the movement of large materials across a cell membrane from ______ to ______ concentration

a)

high to low

b)

low to high

c)

high to high

d)

low to low

17.
What is the gel-like substance inside of cells called?

a)
photoplasm
b)
photosynthesis
c)
cytoskeleton
d)
cytoplasm
18.
Most microorganisms cannot be seen without a...
a)
microscope
b)
magnifying lens
c)
telescope
d)
x-ray machine
19.

The diagram shows an experiment using a potato. Which shows the result of the experiment after 24 hours?

a)
b)
c)
d)
20.

Which one is the definition of active transport?

a)

movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.

b)

passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane

c)

net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient

d)

net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient

21.

What natural phenomenon helps control the build up of CO2 in the atmosphere?

a)

photosynthesis

b)

water shed

c)

ozone destruction

22.

Which cycle has to do with the idea of global warming?

a)

Oxygen cycle

b)

Water cycle

c)

Nitrogen cycle

d)

Carbon cycle

23.
The process of burning is called _____.
a)
decomposition
b)
combustion
c)
respiration
24.

Carbon enters the soil through dead plant or animal matter.

a)

Decomposition

b)

Respiration

c)

Photosynthesis

d)

Diffusion

25.

Organic matter, burred over millions of years

a)

Fossil Fuels

b)

Decomposition

c)

Combustion

d)

Subduction

26.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
27.
When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
28.
Why is the carbon cycle important?
a)
It continuously reuses and recycles carbon in the ecosystem
b)
It shows how animals to digest food
c)
It takes nitrogen and oxygen out of the atmosphere
d)
It isn't
29.
The purpose of cellular respiration is to produce ?
a)
energy
b)
oxygen
c)
sugar
d)
protein
30.
What main food group do we get most of our energy from?
a)
proteins
b)
carbs
c)
meats
d)
nucleic acids
31.
What is the sugar that carbs are broken down to?
a)
sucrose
b)
maltose
c)
glucose
d)
lactose
32.

Organism that makes its own food

a)

consumer

b)

producer

c)

decomposer

d)

predator

33.

Organism that eats other things for food

a)

consumer

b)

producer

c)

decomposer

d)

prey

34.

Passing of energy, in the form of food, from one organism to another

a)

food cycle

b)

food network

c)

food chain

d)

food system

35.

Overlapping food chains

a)

food cycle

b)

food network

c)

food system

d)

food web

36.

Consumer that eats only plants

a)

omnivore

b)

insectivore

c)

carnivore

d)

herbivore

37.

Consumer that eats only other animals

a)

omnivore

b)

frugivore

c)

carnivore

d)

herbivore

38.

Consumer that eats both plants and animals

a)

omnivore

b)

fungivore

c)

carnivore

d)

herbivore

39.

What is the producer in the picture above?

a)

grasshopper

b)

snake

c)

grass

d)

Sun

40.

The model above is an example of a ...

a)

food chain

b)

food web

c)

habitat

d)

ecosystem

41.

What would happen if there were no thrush in the model above?

a)

there would be more insects and slugs

b)

there would be less insects and sluga

c)

there would be more voles

d)

there would be more hawks

42.

In the food web modeled above, where does the flow of energy end?

a)

mangoes and flowers

b)

flowers and frogs

c)

eagle since nothing else in the web gets energy from the eagle

d)

python and wolf

43.

Which organism provides the energy for the producers in this model?

a)

frogs

b)

corn

c)

none of them, the energy comes from the Sun

d)

Eagle

44.
A population of mice lives in a barn community. A cat population has just joined the community. What will happen?
a)
Mouse and cat populations both go up?
b)
Mouse and cat populations both go down
c)
Mouse population goes down as cat population goes up
d)
Mouse population goes up as cat population goes down
45.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
46.
Identify the correct food chain that demonstrates the energy flow of this food web
a)
Plant > Caterpillar > Bluebird > Eagle
b)
Plant > Lizard > Snail
c)
Plant >Lizard > Snail >Eagle
d)
Eagle >Lizard>Caterpillar>Plant
47.

Which nutrient helps build and maintain body cells and tissues?

a)

Protein

b)

Water

c)

Carbohydrates

d)

Fiber

48.

Which nutrient is the starches and sugars in foods?

a)

lipids

b)

proteins

c)

carbohydrates

d)

vitamins

49.

A nutrients that does not dissolve in water.

a)

vitamins

b)

minerals

c)

protein

d)

lipids

50.

Which nutrient is a compound that helps regulate many vital processes, including digestion, absorption and metabolism of nutrients?

a)

minerals

b)

vitamins

c)

water

d)

carbohydrates

51.

Which nutrient is vital to every body function?

a)

lipids

b)

water

c)

minerals

d)

protein

52.
Which nutrient helps build and repair muscles, cells and tissues in the body?
a)
Carbohydrates
b)
Protein
c)
Fats
d)
Minerals
53.

Which nutrient helps build and maintain body cells and tissues?

a)

Protein

b)

Water

c)

Carbohydrates

d)

Fiber

54.

A nutrient the body cannot manufacture.

a)

Minerals

b)

Lipids

c)

Vitamins

d)

Water

55.

Which nutrient is the starches and sugars in foods?

a)

lipids

b)

proteins

c)

carbohydrates

d)

vitamins

56.

A nutrients that does not dissolve in water.

a)

vitamins

b)

minerals

c)

protein

d)

lipids

57.

Which nutrient is a compound that helps regulate many vital processes, including digestion, absorption and metabolism of nutrients?

a)

minerals

b)

vitamins

c)

water

d)

carbohydrates

58.

Which nutrient is vital to every body function?

a)

lipids

b)

water

c)

minerals

d)

protein

59.

How much energy does protein, lipids, carbohydrates provide per gram? (the numbers will be in order by the question)

a)

4, 4, 9

b)

9, 4, 4

c)

4, 9, 4

60.

What is the difference between fat soluble and water soluble vitamins?

a)

Water-soluble are stored and absorbed, and Fat- soluble must be replenished daily.

b)

Fat-soluble and Water-soluble are the same we use them daily and need to replenish daily.

c)

Fat -soluble are stored and absorbed, and water- soluble dissolve in water and must be replenished daily.

d)

Water-soluble are stored and also dissolve in water, and Fat-soluble dissolve in water and pass in the bloodstream.

61.
Which nutrient helps build and repair muscles, cells and tissues in the body?
a)
Carbohydrates
b)
Protein
c)
Fats
d)
Minerals
62.
Which nutrient is responsible for building and strengthening bones and teeth in the body, as well as maintaining body functions?
a)
Carbohydrates
b)
Water
c)
Vitamins
d)
Minerals 
63.
Which nutrient helps cool the body down and remove liquid waste?
a)
Water
b)
Fats
c)
Vitamins
d)
Carbohydrates
64.
Fish, nuts, oils and avocado are healthy sources of....
a)
Fiber
b)
Protein
c)
Minerals
d)
Fat
65.
Sugars are...
a)
cholesterol
b)
complex carbohydrates 
c)
amino acids 
d)
simple carbohydrates 
66.
When you don't drink enough water you can become:
a)
silly
b)
hyper
c)
intoxicated 
d)
dehydrated 
67.
What happens if you eat more carbohydrates then your body needs?
a)
becomes DNA 
b)
turns to fat 
c)
creates extra energy 
d)
becomes waste
68.
_____ carbohydrates are a QUICK source of energy.
a)
Complex
b)
Simple
c)
Sugar
d)
White bread
69.
Fiber is a type of which nutrient? 
a)
Non Caloric
b)
Protein 
c)
Fat
d)
Carbohydrate 
70.
Breads, rice, and cereal are all...
a)
protein
b)
carbohydrates
c)
water
d)
who knows?
71.
Protein is in only found in animal sources.
a)
False
b)
True
72.
Amino acids are the building blocks of 
a)
Fats
b)
Minerals
c)
Carbohydrates
d)
Protein
73.
WHAT ARE THE 6 NUTRIENTS?
a)
Carbs, Meats, Fibers, Water, Protein, and Dairy
b)
Fruits, Milk, Fibers, Water, Pork, and Vitamins
c)
Carbs, Fats, Fibers, Water, Protein, and Vitamins
d)
Carbs, Fats, Fibers, Cheese, Protein, and Vegtables
74.
This nutrient makes up 75% of your body:
a)
water
b)
vitamin A
c)
carbohydrates 
d)
protein 
75.
Which of the following is NOT a nutrient?
a)
water
b)
fat
c)
fiber
d)
protein
76.

What is the primary function of Water

a)

Triggers Chemical reactions

b)

Provides immediate energy

c)

Stores energy

d)

Allows each cell in the body to do its work

77.

What is the primary function of minerals?

a)

Stored energy

b)

Triggers chemical reactions

c)

Helps with various processes necessary for growth and maintenance of life

d)

Improved eye sight

78.

What is the primary functions of fats?

a)

Store energy and protect organs

b)

Hair and nail growth

c)

Growth and repair of body tissues

d)

Improves life span and maintenance of life

79.

What is the primary function of Vitamins?

a)

Growth and repair of body tissue

b)

Improve sleep

c)

Increase weight and BMI

d)

Trigger Chemical reactions

80.

Calcium is a mineral and can be found in...

a)

Fruits & Vegetables

b)

Sugary treats

c)

Sodas

d)

Dairy

81.

The best way to fill your diet with Iron is by eatting

a)

Red meat

b)

Leafy green vegetables

c)

Thick skinned fruit

d)

Brown rice

82.

What is the name of the indigestible carbohydrate that helps move waste through the digestive system

a)

Vitamins

b)

Minerals

c)

Water

d)

Fiber

83.

What nutrient is best represented by this photo?

a)

Protein

b)

Carbohydrates

c)

Fat

84.
Which nutrient insulates the body against the cold and protects internal organs?
a)
Proteins
b)
Fats
c)
Minerals
d)
Nutrients
85.
Which nutrient helps control body functions such as digestion, metabolism, and wound healing?
a)
Vitamins
b)
Minerals
c)
Water
d)
Vegetables
86.
Which nutrient carries nutrients and oxygen throughout the body?
a)
Dairy
b)
Minerals
c)
Protein
d)
Water
87.

Which elements do plants need in large amounts?

a)

Micronutrients

b)

Macronutrients

c)

Secondary Nutrients

d)

Primary Nutrients

88.

Which elements do plants need in small amounts?

a)

Micronutrients

b)

Macronutrients

c)

Secondary Nutrients

d)

Primary Nutrients

89.

Which elements do plants need in small amounts?

a)

Micronutrients

b)

Macronutrients

c)

Secondary Nutrients

d)

Primary Nutrients

90.

Which group includes micronutrients?

a)

Copper (Cu), Phosphorus (P), Sulfur (S)

b)

Iron (Fe), Zinc (Zn), and Copper (Cu)

c)

Boron (B), Nitrogen (N), and Iron (Fe)

d)

Carbon (C), Oxygen (O), and Hydrogen (H)

91.
Fish, nuts, oils and avocado are healthy sources of....
a)
Fiber
b)
Protein
c)
Minerals
d)
Fat
92.

Which of the following are the functions of lipids?


I - Component of cell walls in plants

II - Synthesis of protein

III - Heat insulator

IV - Solvent for Vitamin A,D,E,K

a)

I and II

b)

I and III

c)

II and IV

d)

III and IV

93.

The details shows the elements found in the food classess X and Y.


Food class X : Elements C, H, O

Food class Y : Elements C, H, O, N


What are food classess X and Y?

a)

X: Carbohydrate, Y: Lipid

b)

X: Lipid, Y: Protein

c)

X: Protein, Y: Carbohydrates

d)

X: Protein, Y: Lipids

94.

Which of the following substances acts as a medium for biochemical reactions in a cell?

a)

Water

b)

Lipids

c)

Glucose

d)

Amino acids

95.

The monomer unit for cellulose is...

a)

Glucose

b)

Galactose

c)

Amino acids

d)

Glucose and fructose

96.

What is the composition of a basic unit of fat?

a)

One molecule of glycerol and one molecule of fatty acid

b)

One molecule of glycerol and three molecules of fatty acids

c)

One molecule of fatty acid and three molecules of glycerol

d)

Three molecules of fatty acid and three molecules of glycerol

97.

Which of the following monosaccharide combination produces sucrose?

a)

Glucose + fructose

b)

Glucose + galactose

c)

Fructose + galactose

d)

Glucose + glucose

98.

The living cell is composed of a wide variety of chemical molecules. More than 90% of these molecules are...

a)

Water molecules

b)

The respiratory gases, oxygen and carbon dioxide

c)

Relative small organic molecules such as amino acids and glucose

d)

Large organic macromolecules such as carbohydrates and protein

99.

What is the importance of cellulose in the human diet?

a)

It is digested to glucose which is absorbed and used to generate energy

b)

It is digested, absorbed and reconstituted for use as long term energy storage

c)

It is digested, absorbed and reconstituted for the formation of cell walls

d)

It absorbs water and adds bulk to the faeces to aid defecation

100.

An unknown solution is mixed ith dilute hydrochloric acid and boiled. The mixture is then cooled and neutralized with sodium bicarbonate. Benedict's solution is then added and the resulting mixture is heated. A brick red precipitate forms.


Which of the following inferences is correct?

a)

The unknown solution contains a reducing sugar

b)

The unknown solution contains a non reducing sugar

c)

The unknown solution contains a reducing sugar and/ or a non reducing sugar

d)

The unknown solution contains neither a reducing sugar nor a non reducing sugar

101.

Sample R is tested with Benedict's solution. It produced a brick red precipitate.


What is R?

a)

Lactose

b)

Sucrose

c)

Glycogen

d)

Cellulose

102.

Sample R is tested with Benedict's solution. It produced a brick red precipitate.


What is R?

a)

Lactose

b)

Sucrose

c)

Glycogen

d)

Cellulose

103.

Which of the following tests for starch?

a)

Iodine

b)

Benedict's

c)

Biuret

d)

Emulsion

104.

Which of the following tests for protein?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

105.

When starch is present iodine turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

106.

Which of the following tests for glucose?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

107.

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

a)

yellow/brown

b)

blue

c)

black

d)

brick red

108.

Which chemicals did you mix to test for proteins - biuret test?

a)

ethanol and water

b)

iodine and potassium permanganate

c)

Benedicts solution

d)

sodium hydroxide and copper sulfate

109.

A negative test for glucose will cause Benedict's solution to stay...

a)

brick red

b)

blue

c)

black

d)

orange

110.

What is a positive result for the lipid emulsion test?

a)

milky white colour

b)

clear

c)

yellow

d)

green

111.

The test tubes in the photo represent a negative and positive result for

a)

Benedict's with glucose

b)

Biuret with protein

c)

Iodine with starch

d)

Ethanol with fat

112.

Three fatty acids bonded to glycerol

a)

starch

b)

polypeptide

c)

protein

d)

lipid

113.
Fish, nuts, oils and avocado are healthy sources of....
a)
Fiber
b)
Protein
c)
Minerals
d)
Fat
114.
What happens if you eat more carbohydrates then your body needs?
a)
becomes DNA 
b)
turns to fat 
c)
creates extra energy 
d)
becomes waste
115.
Breads, rice, and cereal are all...
a)
protein
b)
carbohydrates
c)
water
d)
who knows?
116.
Amino acids are the building blocks of 
a)
Fats
b)
Minerals
c)
Carbohydrates
d)
Protein
117.

What is the primary functions of fats?

a)

Store energy and protect organs

b)

Hair and nail growth

c)

Growth and repair of body tissues

d)

Improves life span and maintenance of life

118.

Which elements do plants need in large amounts?

a)

Micronutrients

b)

Macronutrients

c)

Secondary Nutrients

d)

Primary Nutrients

119.

Which elements do plants need in small amounts?

a)

Micronutrients

b)

Macronutrients

c)

Secondary Nutrients

d)

Primary Nutrients

120.

Which group includes micronutrients?

a)

Copper (Cu), Phosphorus (P), Sulfur (S)

b)

Iron (Fe), Zinc (Zn), and Copper (Cu)

c)

Boron (B), Nitrogen (N), and Iron (Fe)

d)

Carbon (C), Oxygen (O), and Hydrogen (H)

121.
The diagram is intended to show relationships in an ecosystem. What do the arrows represent?
a)
The direction of population migration
b)
Differences in dietary habits
c)
Progressively smaller organisms
d)
The direction of the energy flow
122.

The approximate amount of energy that is transferred between each trophic level is:

a)

10%

b)

0.1%

c)

90%

d)

It totally depends on the ecosystem.

123.

What does a pyramid of numbers compare?

a)

the number of individual organisms at each trophic level

b)

the number of individuals in each population

c)

the number of predators and prey in an ecosystem

d)

the number of different populations at each trophic level

124.

What is biomass?

a)

the total dry weight of organisms in an ecosystem

b)

the total weight of organisms in an ecosystem

c)

the total dry weight of producers in an ecosystem

d)

the total weight of animals in an ecosystem

125.

If only 10% of an organism's energy is available for the next trophic level, what happens with the other 90% of the energy?

a)

It is destroyed after it is used up

b)

It is used for life processes like movement, creating offspring producing waste or lost as body heat

c)

It is used to grow plants

d)

It is lost completely as body heat

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