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Biology SE1 C4-C8 Revision Game

Total questions: 109

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

Label the parts of the enzyme model

a)Substrate
b)Products
c)Enzyme
d)Active site
1
2
3
4
1)
2)
3)
4)
2.

Click on the temperature that this enzyme is having optimum activity.

A
B
C
3.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
4.
What happens to an enzyme when it is denatured?
a)
Activation energy is lowered.
b)
It becomes stronger.
c)
It loses its shape.
d)
Activation energy is raised.
5.

What is the purpose of an enzyme?

a)

control how many reactions occur

b)

raise activation energy

c)

give permission for the reaction

d)

speed up chemical reactions

6.

Enzymes are ​ (a)   that ​ (b)   chemical reactions by​ (c)   the amount of activation energy required to start the reaction.

Choose from the below words
proteins
speed-up
decreasing
carbohydrates
increasing
slow-down
7.

Match the following Macromolecules to its structure

a)
1.

Carbohydrate

b)
2.

Lipid

c)
3.

Nucleic Acids

d)
4.

Protein

8.

Enzyme can be used again and again

a)

True

b)

False

9.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
10.
Enzymes provide a site where reactants called substrates can be brought together in an enzyme-catalyzed reaction. The site is called the
a)
enzyme substrate complex.
b)
reaction site.
c)
active site.
d)
lock and key.
11.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
12.
Every enzyme has a optimal temperature and pH. True or False?
a)
True 
b)
False
13.

Substances with a pH of 7 are

a)

Acidic

b)

Basic

c)

Neutral

d)

Saturated

14.

Changes in pH and temperature can ___________________ an enzyme which causes it to lose its shape and affects its function.

a)

puncture

b)

denature

c)

double

d)

delete

15.

What is the optimal temperature of this enzyme?

a)

60

b)

40

c)

70

d)

30

16.

What is the optimal pH for this enzyme?

a)

6

b)

10

c)

9

d)

7

17.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
18.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
19.

Which of the following are true about enzymes? (Choose all that apply)

a)

Enzymes speed up chemical reactions.

b)

Enzymes react best at a specific temperature.

c)

Enzymes only control ONE type of reaction.

d)

Enzymes are made of fatty acids.

20.

Carbon dioxide is absorbed through the

a)

Stoma

b)

Cuticle

c)

Vessel

d)

Palisade Cells

21.

Chlorophyll is the ___ pigment found in the chloroplast

a)

Blue

b)

Green

c)

Red

d)

Purple

22.

The arrows in the diagram all point to the

a)

Cytoplasm

b)

Nucleus

c)

Mitochondria

d)

Chloroplast

23.

The orange colored part of the leaf in the diagram refers to the

a)

Vessels

b)

Stoma

c)

Epidermis

d)

Mesophyll Layer

24.

The following are leaf adaptations for photosynthesis EXCEPT

a)

Thin

b)

Contains Chlorophyll

c)

Contains Root Hair

d)

Contains Stoma and Guard Cells

25.

The part of the leaf that enables it to hold water by stopping water from escaping through evaporation

a)

Cuticle

b)

Palisade Cells

c)

Xylem

d)

Epidermis

26.

Part of the leaf which allows the diffusion of gases to occur

a)

Palisade Cells

b)

Spongy Mesophyll Cells

c)

Epidermis

d)

Phloem

27.

The following compounds goes in and out of the stoma EXCEPT

a)

Oxygen

b)

Glucose

c)

Carbon Dioxide

d)

Water Vapour

28.

What is the chemical symbol for Nitrogen?

a)

N

b)

Ni

c)

K

d)

P

29.

Which of the following is known as the vascular system of the plant?

a)

Leaves

b)

Stem

c)

Roots

d)

Seeds

30.

Where does photosynthesis occur?

a)

Stem

b)

Nucleus

c)

Chloroplasts

d)

Roots

31.

Which of the following is not a requirement for plant growth?

a)

Adequate water

b)

Soil or media

c)

Fertilizer

d)

Adequate space

32.

In which of the following places would hydroponics be most useful?

a)

Places with limited space for growing plants

b)

Areas with adequate soil for growing plants

c)

Places with ample space for growing plants

d)

Areas with high quality soil for growing plants

33.

Which plant part absorbs light energy to produce plant sugar?

a)

stem

b)

leaves

c)

roots

d)

flower

34.

Match the following

a)

Root

1.

responsible for anchoring the plant

b)

stem

2.

transports water and nutrients

c)

Leaf

3.

absorb light energy to produce sugar

d)

fruit

4.

fertilized or mature ovules

35.

The correct formula for photosynthesis is 6CO2 + 6H2O → C6H12O6 + 6O2

a)

True

b)

False

36.

What cell is this?

a)

Animal cell

b)

Plant cell

37.

What's this?

(a)  

38.

What's this?

a)

blood cells

b)

leaf cells

c)

nerve cells

d)

white nerve cells

39.

How is this cell specialised? Choose carefully!

a)

It stores fat

b)

It can swim

c)

It can shrink (contract) and grow (relax)

d)

It can swim and has powerful enzymes to break into an egg cell

40.

How are these cells specialised?

a)

They are bi-concave and have a large surface area and a pigment called haemoglobin which carries oxygen.

b)

They are specialised to fight infection.

c)

They carry carbon dioxide to the lungs.

d)

They carry glucose in large amounts

41.

Name this cell.

a)

Pallisade cell

b)

Guard cell

c)

Root hair cell

d)

Epithelial cell

42.

Name the part of this cell, where the arrow points towards.

a)

vacuole

b)

chloroplast

c)

cell wall

d)

ribosome

43.

What is the name of this specialised cell and where is it found

a)

A root hair cell, in the root

b)

A palisade cell in the bottom of a leaf.

c)

A palisade cell at the top of a leaf.

d)

In the middle of a plant stem.

44.

How is this cell specialised?

a)

It stores fat

b)

It can swim

c)

It can shrink (contract) and grow (relax)

d)

It can carry oxygen very well.

45.

What are stem cells?

a)

The cells found in the stem of a plant.

b)

A type of cell that can turn into any other type of cell

c)

A cell that is specialised to perform a function.

d)

A cell with no nucleus.

46.

Where can stem cells be collected from?

a)

Unborn embryos

b)

Bone marrow

c)

Donors

d)

All of the above

47.

Select the nerve cell

a)
b)
c)
d)
48.

How is a leaf cell adapted for absorbing light efficiently?

a)

It has a cellulose cell wall

b)

It has a large vacuole

c)

It has lots of chloroplasts

d)

It has a large nucleus

49.

How is a plant root hair cell adapted for absorbing water from the soil efficiently?

a)

It has many chloroplasts

b)

It has lots of mitochondria

c)

It has a large surface area

d)

It has a large vacuole

50.

What it the correct order, from smallest to largest?

a)

Cell

Organ

Tissue

Organ system

Organism

b)

Tissue

Cell

Organ system

Organ

Organism

c)

Cell

Tissue

Organ

Organ system

Organism

d)

Cell

Tissue

Organ system

Organ

Organism

51.

Which structure in a plant cell would you not find in a root hair cell?

a)

Cell wall

b)

Chloroplast

c)

Vacuole

d)

Cell membrane

52.

What is this cell?

a)

bone cells

b)

cheek cells

c)

muscle cells

d)

red blood cells

53.

which of the following is the correct function of bile

a)

to emulsify protein

b)

to provide enzyme

c)

to neutralize alkaline condition of foods that entering duodenum

d)

to increase the surface area for lipid digestion

54.

diagram show human digestive system. in which organs does digestion of protein take place

a)

w and y

b)

w only

c)

x and z

d)

y and x

55.

what is produce by bacteria as by product of respiration and can cause tooth decay

a)

alkaline

b)

acid

c)

tartar

d)

plaque

56.

what is the function of these two teeth

a)

grinding

b)

holding

c)

biting

d)

cutting

57.

name the teeth

a)

incisor

b)

molar

c)

premolar

d)

canine

58.

What is the function of the gall bladder? *2015 Q26

a)

absorption of fat

b)

digestion of fat

c)

production of bile

d)

storage of bile

59.

Where does most of the digestive process take place?

a)

Small intestine

b)

Stomach

c)

Large intestine

60.

Bile is produced by ____, stored in ____, released by _____

a)

liver; duodenum; bile duct

b)

liver; gall bladder; bile duct

c)

gall bladder; liver; bile duct

d)

gall bladder; duodenum; bile duct

61.

Peristalsis mixes food with gastric juice in the stomach

a)

True

b)

False

62.

Where does ingestion begin?

a)

duodenum

b)

stomach

c)

mouth

d)

colon

63.

What is the acid produced in the stomach?

a)

Sulphuric acid

b)

Nitric acid

c)

Hydrochloric acid

d)

Acetic acid

64.

What part of the small intestine are nutrients absorbed into the blood?

a)

Ilium

b)

Duodenum

c)

Gall Bladder

d)

Liver

65.

What word is used to describe food which has been mixed with stomach juices.

a)

Chyme

b)

Bolus

c)

Churning

d)

Mucus

66.

Which term describes the movement of food down the oesophagus by a wave of muscular contraction

a)

Diffusion

b)

Peristalsis

c)

Chyme

d)

Bolus

67.

Define the term chemical digestion

a)

The breaking down of large food molecules by the use of enzymes.

b)

The physical break down of food done by the teeth or the muscles in the stomach.

68.

Define the term egestion

a)

The movement of nutrients from the digestive system into the blood

b)

The removal of undigested food from the body

c)

The breaking down of large insoluble molecules into small soluble molecules

d)

The taking in of nutrients.

69.

You can find protein in...

a)

dairy products.

b)

fruit.

c)

oil.

70.

Oils and butter are rich in...

a)

proteins.

b)

fats.

c)

carbohydrates.

71.

Name the glands associated with the Human Digestive System?

a)

Only salivary glands and pancreas

b)

Only salivary glands and liver

c)

Only liver and pancreas

d)

Salivary Glands, Liver and Pancreas

72.

What is the function of dietary fibre in the human body?

a)

Provides energy

b)

Fights infection and disease

c)

Keeps the digestive system healthy

d)

Promotes healthy hair and nails

73.

What is a function of protein?

a)

Repair and build muscle

b)

Keep the body warm

c)

Help with the digestive system

d)

Cures asthma

74.

Maltose is digested into glucose by maltase

a)

True

b)

False

75.

Absorption of digested food molecules occur at the villi

a)

True

b)

False

76.
What are the two products of photosynthesis?
a)
Oxygen and Carbon Dioxide
b)

Oxygen and Sugar

c)
Sunlight and Sugar
77.
Pigment in green plants that captures the energy in sunlight is called _______.
a)
Pigment
b)
Chlorophyll
c)
Stomata
d)
Green Thing
78.

When light is abundant, .........................................................

(Choose the correct statement to complete the sentence.)

a)

it becomes a limiting factor.

b)

carbon dioxide concentration or temperature is the limiting factor.

c)

stomata are closed.

d)

transpiration drops.

79.

What ion is needed to manufacture chlorophyll?

a)

potassium

b)

phosphate

c)

magnesium

d)

calcium

80.

This nutrient is needed for growth, tissue repair, making enzymes and producing hair and nails. What nutrient is this?

a)

protein

b)

carbohydrate

c)

fats

d)

lipids

81.

What vitamin our body can synthesise by exposing ourselves to the sun's UV rays?

a)

A

b)

B

c)

C

d)

D

82.

Which digestive enzyme is present in the saliva?

a)

protease

b)

maltase

c)

sucrase

d)

amylase

83.

Which aspect of food is increased by mechanical digestion?

a)

solubility in water

b)

surface area

c)

nutritional value

d)

cellulose content

84.

Which ones are alimentary canal?

a)

oesophagus

b)

stomach

c)

pancreas

d)

liver

e)

small intestine

85.

In what state does water escape the leaves during transpiration?

a)

solid

b)

liquid

c)

gas

86.

What is a balanced diet?

a)

A diet that contains only carbohydrates

b)

A diet that contains all the needed nutrients in correct amounts

c)

A diet that contains only proteins

d)

A diet that contains only fats

87.

Which factor affects the dietary needs of humans?

a)

Age

b)

Gender

c)

Activity

d)

All of the above

88.

What is the effect of too little food?

a)

Starvation

b)

Coronary heart disease

c)

Obesity

d)

Constipation

89.

What is the effect of too much food or large amounts of foods that are high in fat or sugar?

a)

Starvation

b)

Coronary heart disease

c)

Obesity

d)

Constipation

90.

What is the condition of the digestive system where an individual has hard faeces that are difficult to be excreted?

a)

Starvation

b)

Coronary heart disease

c)

Obesity

d)

Constipation

91.

What is the deficiency disease caused by lack of Vitamin C?

a)

Scurvy

b)

Rickets

c)

Anaemia

d)

Kwashiorkor

92.

What is the deficiency disease caused by lack of Iron?

a)

Scurvy

b)

Rickets

c)

Anaemia

d)

Kwashiorkor

93.

What is caused by deficiency of protein and calories?

a)

rickets

b)

kwashiorkor

c)

marasmus

d)

scurvy

94.

What is caused by deficiency of protein?

a)

rickets

b)

kwashiorkor

c)

marasmus

d)

scurvy

95.

Which of the following contains the MOST protein?

a)

cup of rice

b)

1/2 cup of lentils

c)

one egg

d)

butter

96.
Which of the following is an example of a mineral?
a)
Vitamin C
b)
Vitamin A
c)
Calcium
d)
Vitamin D
97.
Which mineral is important for strong bones?
a)
Iron
b)
Calcium
c)
Vitamin D
d)
Vitamin E
98.

What food substance is made by plants during photosynthesis?

a)

Carbon dioxide

b)

Glucose

c)

Granulated sugar

d)

Oxygen

99.

The xylem and phloem together are know as

a)

vascular bundles.

b)

the mesophyll.

c)

stomates.

d)

guard cells.

100.

Stomata are made of specialized cells called ______ which surround a tiny pore/opening

a)

stoma

b)

guard cells

c)

epidermal cells

d)

diffusion channels

101.
What molecule is the phloem responsible for transporting?
a)

Glucose

b)

Water

c)

Sucrose

d)

Glycogen

102.

Translocation is the

a)

transport of water in the xylem

b)

transport of water in the phloem

c)

transport of sugar in the xylem

d)

transport of sugar in the phloem

103.

Describe the flow of water through the plant.

a)

Water enters through the root hairs

b)

Water travels up the xylem of the stem through cohesion and adhesion

c)

Water travels through the xylem into the central vein of the leaf

d)

Water exits through the stoma on the bottom of the leaf

1)
2)
3)
4)
104.

How does water enter the roots from the soil?

a)

diffusion

b)

osmosis

c)

transpiration

d)

active transport

105.

What happens to the transpiration rate as light intensity increases?

a)

It increases.

b)

It decreases.

c)

It stays the same.

106.

Match the following

a)

Diffusion of water vapour from the leaves

1.

Transpiration

b)

Change of liquid to gaseous state

2.

Evaporation

c)

Increase surface area

3.

Root hair cells

d)

Measure of how much water vapour in the air

4.

Humidity

e)

Evaporation occurs here

5.

Cell wall

107.

What can trigger the closure of stomata?

a)

extreme drought

b)

light intensity

c)

moderate temperature

d)

slightly increased carbon dioxide concentration

108.

Position the labels correctly for both axes of the graph.

a)

rate of transpiration

b)

humidity

1
2
1)
2)
109.

Which description of translocation is correct?

a)

movement of glucose and amino acids from a sink to a source

b)

movement of glucose and amino acids from a source to a sink

c)

movement of sucrose and amino acids from a sink to a source

d)

movement of sucrose and amino acids from a source to a sink

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