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Pre-test SEM1 grade8

Total questions: 90

Worksheet time: 45mins

Name
Class
Date
1.

Using the word bank Aorta, Superior vena cava, Inferior vena cava, Right atrium, Pulmonary artery, Pulmonary vein, Right ventricle, Left ventricle, Left atrium: Which structure carries blood from the lungs back to the heart?

a)

Pulmonary artery

b)

Pulmonary vein

c)

Aorta

d)

Superior vena cava

2.

Using the same word bank: Which chamber pumps oxygen-rich blood into the aorta?

a)

Right ventricle

b)

Left ventricle

c)

Right atrium

d)

Left atrium

3.

Using the same word bank: Which vessel receives oxygen-rich blood leaving the left ventricle?

a)

Pulmonary artery

b)

Pulmonary vein

c)

Aorta

d)

Inferior vena cava

4.

Using the same word bank: Which vessel returns deoxygenated blood to the right atrium from the upper body?

a)

Inferior vena cava

b)

Superior vena cava

c)

Pulmonary vein

d)

Aorta

5.

Using the same word bank: Which chamber first receives blood from the vena cavae?

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

6.

Write the numbers that contain oxygen-rich blood: Convert to a single-select question. Which set lists only structures that carry oxygen-rich blood in the heart?

a)

Pulmonary artery, Right atrium, Right ventricle

b)

Aorta, Pulmonary vein, Left atrium, Left ventricle

c)

Superior vena cava, Inferior vena cava, Right ventricle

d)

Right atrium, Pulmonary artery, Superior vena cava

7.

Make an events chain concept map to show pulmonary circulation beginning at the right atrium and ending at the aorta: What is the correct next step after the right atrium in pulmonary circulation?

a)

Left ventricle

b)

Right ventricle

c)

Pulmonary vein

d)

Aorta

8.

In pulmonary circulation beginning at the right atrium and ending at the aorta, which vessel carries blood from the heart to the lungs?

a)

Pulmonary artery

b)

Pulmonary vein

c)

Aorta

d)

Superior vena cava

9.

In pulmonary circulation beginning at the right atrium and ending at the aorta, oxygenated blood returns to the heart through which vessel?

a)

Pulmonary artery

b)

Inferior vena cava

c)

Pulmonary vein

d)

Superior vena cava

10.

In pulmonary circulation beginning at the right atrium and ending at the aorta, which chamber receives oxygenated blood from the lungs?

a)

Right atrium

b)

Left atrium

c)

Right ventricle

d)

Left ventricle

11.

In pulmonary circulation beginning at the right atrium and ending at the aorta, which chamber pumps oxygenated blood into the systemic circulation via the aorta?

a)

Right ventricle

b)

Left ventricle

c)

Right atrium

d)

Left atrium

12.

In the plant cell diagram, which numbered part is the large central vacuole?

a)

7

b)

8

c)

9

d)

10

13.

In the plant cell diagram, which numbered part indicates the nucleus?

a)

7

b)

8

c)

9

d)

10

14.

In the animal cell diagram, which numbered part indicates the nucleus?

a)

1

b)

2

c)

3

d)

4

15.

On the microscope diagram, which numbered part is the eyepiece (ocular lens)?

a)

1

b)

4

c)

5

d)

7

16.

On the microscope diagram, which numbered part is the coarse focus knob?

a)

6

b)

10

c)

3

d)

5

17.

On the microscope diagram, which numbered part is the fine focus knob?

a)

6

b)

10

c)

7

d)

2

18.

On the microscope diagram, which numbered part is the stage?

a)

5

b)

3

c)

9

d)

11

19.

On the microscope diagram, which numbered parts are objective lenses? Select all that apply.

a)

2

b)

3

c)

8

d)

11

20.

What does the green-and-red organelle diagram mention about?

a)

Cell division

b)

Photosynthesis and cellular respiration

c)

DNA replication

d)

Protein synthesis

21.

In the respiratory system diagram, which letter labels the trachea?

a)

C

b)

G

c)

H

d)

I

22.

In the respiratory system diagram, which letter labels the lungs?

a)

D

b)

H

c)

A

d)

I

23.

In the respiratory system diagram, which letter labels the diaphragm?

a)

I

b)

E

c)

G

d)

B

24.

Match A with B: Hemoglobin corresponds to which definition?

a)

Biggest artery that carries oxygen-rich blood to all parts of the body

b)

Protein that destroys or neutralizes the foreign substances or any antigen

c)

Protein that has the ability to connect with O2 and CO2

d)

Wave of pressure that rises and falls in the arterial wall

e)

The flow of blood from the heart to the lungs and back to the heart

25.

Match A with B: Antibody corresponds to which definition?

a)

Protein that destroys or neutralizes the foreign substances or any antigen

b)

Biggest artery that carries oxygen-rich blood to all parts of the body

c)

Wave of pressure that rises and falls in the arterial wall

d)

The flow of blood from the heart to the lungs and back to the heart

26.

Match A with B: Pulse corresponds to which definition?

a)

Wave of pressure that rises and falls in the arterial wall

b)

Pressure exerted by blood on the arterial wall

c)

Biggest artery that carries oxygen-rich blood to all parts of the body

d)

Protein that has the ability to connect with O2 and CO2

27.

Match A with B: Pulmonary circulation corresponds to which definition?

a)

The flow of blood from the heart to the lungs and back to the heart

b)

Wave of pressure that rises and falls in the arterial wall

c)

Pressure exerted by blood on the arterial wall

d)

The flow of blood from heart to heart itself

28.

Match A with B: Aorta corresponds to which definition?

a)

Biggest artery that carries oxygen-rich blood to all parts of the body

b)

Protein that destroys or neutralizes foreign substances

c)

The flow of blood from the heart to the lungs and back to the heart

d)

Wave of pressure that rises and falls in the arterial wall

29.

Wave of blood pressure rises and falls in your arteries: Which term matches the phrase?

a)

Blood pressure

b)

Pulse

c)

Capillaries

d)

Atherosclerosis

30.

Pressure exerted by the flow of blood through the vessels of the body: Which term matches the phrase?

a)

Blood pressure

b)

Pulse

c)

Veins

d)

Arteries

31.

Fight bacteria, viruses, and other foreign substances that constantly try to invade your body: Which term matches the phrase?

a)

Platelets

b)

Plasma

c)

White blood cells

d)

Capillaries

32.

Blood vessels that move blood to the heart: Which term matches the phrase?

a)

Arteries

b)

Veins

c)

Capillaries

d)

Atherosclerosis

33.

Irregularly shaped cell fragments that help clot blood: Which term matches the phrase?

a)

White blood cells

b)

Platelets

c)

Plasma

d)

Veins

34.

High blood pressure disorder: Which term matches the phrase?

a)

Pulse

b)

Hypertension

c)

Capillaries

d)

Atherosclerosis

35.

Blood vessels that move blood away from the heart: Which term matches the phrase?

a)

Arteries

b)

Veins

c)

Capillaries

d)

Pulse

36.

Liquid part of blood that consists mostly of water: Which term matches the phrase?

a)

Platelets

b)

White blood cells

c)

Plasma

d)

Pulse

37.

Condition of fatty deposits on the inner wall of arteries: Which term matches the phrase?

a)

Hypertension

b)

Atherosclerosis

c)

Pulse

d)

Blood pressure

38.

Microscopic blood vessels that connect arteries and veins: Which term matches the phrase?

a)

Capillaries

b)

Arteries

c)

Veins

d)

Pulse

39.

Amount of heat necessary to raise the temperature of 1 kg of water 1 °C: Which term or number matches the phrase?

a)

(3) calorie

b)

(1) Nutrition

c)

(10) pulse

d)

(12) blood pressure

40.

Foods that contain the same type of nutrient: Which term or number matches the phrase?

a)

(5) food group

b)

(6) serving size

c)

(2) nutrients

d)

(9) food pyramid

41.

Process of giving or getting the right type of food for good health and growth: Which term or number matches the phrase?

a)

(2) nutrients

b)

(1) Nutrition

c)

(9) food pyramid

d)

(6) serving size

42.

Amount of foods you need daily from each food group: Which term or number matches the phrase?

a)

(6) serving size

b)

(9) food pyramid

c)

(5) food group

d)

(3) calorie

43.

They are required only in small amount, which is fewer than 20 mg a day: Which term or number matches the phrase?

a)

(11) major mineral

b)

(4) trace mineral

c)

(2) nutrients

d)

(8) white blood cells

44.

They are required in large amount, which is more than 250 mg a day: Which term or number matches the phrase?

a)

(11) major mineral

b)

(4) trace mineral

c)

(2) nutrients

d)

(8) white blood cells

45.

Substances in foods that provide energy and materials for cell development, growth, and repair: Which term or number matches the phrase?

a)

(2) nutrients

b)

(1) Nutrition

c)

(3) calorie

d)

(9) food pyramid

46.

The force exerted by blood to the wall of blood vessels when the heart beats: Which term or number matches the phrase?

a)

(12) blood pressure

b)

(10) pulse

c)

(13) artery

d)

(14) vein

47.

The wave of pressure that rises and falls in the arteries: Which term or number matches the phrase?

a)

(12) blood pressure

b)

(10) pulse

c)

(13) artery

d)

(14) vein

48.

They have hemoglobin to carry O2 to body tissues and take back CO2 to be removed by the lungs: Which term or number matches the phrase?

a)

(8) white blood cells

b)

(7) red blood cells

c)

(13) artery

d)

(14) vein

49.

Amount of heat necessary to raise the temperature of 1 kg of water 1 °C: Which term from the list matches the phrase?

a)

Nutrition

b)

Calorie

c)

Unsaturated fats

d)

Water-soluble vitamins

e)

Fat-soluble vitamins

50.

They are usually liquid at room temperature: Which term from the list matches the phrase?

a)

Nutrition

b)

Calorie

c)

Unsaturated fats

d)

Water-soluble vitamins

e)

Fat-soluble vitamins

51.

They can be stored in the body in fatty tissue: Which term from the list matches the phrase?

a)

Nutrition

b)

Calorie

c)

Unsaturated fats

d)

Water-soluble vitamins

e)

Fat-soluble vitamins

52.

They are excreted by the body and need to be replenished every day: Which term from the list matches the phrase?

a)

Nutrition

b)

Calorie

c)

Unsaturated fats

d)

Water-soluble vitamins

e)

Fat-soluble vitamins

53.

Process of giving or getting the right type of food for good health and growth: Which term from the list matches the phrase?

a)

Nutrition

b)

Calorie

c)

Unsaturated fats

d)

Water-soluble vitamins

e)

Fat-soluble vitamins

54.

Tick (✓) in the box of a best answer. What were the results of the Miller–Urey experiment?

a)

Present-day cells

b)

Oceanlike liquid

c)

Amino acids

d)

Answer B and C

55.

Tick (✓) in the box of a best answer. Whose experiment mistakenly proves the theory of spontaneous generation?

a)

John Needham

b)

Lazzaro Spallanzani

c)

Louis Pasteur

d)

Miller and Urey

56.

Tick (✓) in the box of a best answer. Which power of objective lens do we use first to capture the image of a specimen under a microscope?

a)

4x

b)

10x

c)

40x

d)

100x

57.

Tick (✓) in the box of a best answer. Which of the following contains hereditary material of living organisms?

a)

Chromosome

b)

Amino acid

c)

Chloroplast

d)

Mitochondrion

58.

Tick (✓) in the box of a best answer. What substances were used by Miller–Urey in their experiment?

a)

Present-day cells

b)

Oceanlike liquid

c)

Amino acids

d)

Mixture of gases

59.

Tick (✓) in the box of a best answer. Whose experiment disproves the theory of spontaneous generation?

a)

John Needham

b)

Lazzaro Spallanzani

c)

Louis Pasteur

d)

Miller and Urey

60.

Tick (✓) in the box of a best answer. Whose experiment tested the hypothesis of Alexander I. Oparin?

a)

John Needham

b)

Lazzaro Spallanzani

c)

Louis Pasteur

d)

Miller and Urey

61.

Tick (✓) in the box of a best answer. Which of the following controls most cell’s activity?

a)

Chloroplast

b)

Protein

c)

Nucleus

d)

Mitochondrion

62.

Tick (✓) in the box of a best answer. Which of the following is the movement of the chest that brings air into the lungs and removes waste gases?

a)

Breathing

b)

Circulation

c)

Respiration

d)

Inhalation

63.

Tick (✓) in the box of a best answer. Where in the lungs does the exchange of gas take place?

a)

Alveoli

b)

Lungs

c)

Trachea

d)

Nasal cavity

64.

Tick (✓) in the box of a best answer. How is breathing induced?

a)

Breathing is partly the result of the changing in volume of the lungs and air pressure within them.

b)

Depending on the amount of oxygen present in your blood.

c)

The contraction of the diaphragm.

65.

Tick (✓) in the box of a best answer. What make plants gain their weight?

a)

Sunlight

b)

Water

c)

Carbon dioxide

d)

Answer A, B, and C

66.

Tick (✓) in the box of a best answer. What are the vitamins that dissolve easily in water?

a)

Vit. A, B, C

b)

Vit. B, C

c)

Vit. C, D, E

d)

Vit. A, D, E, K

67.

Tick (✓) in the box of a best answer. What are the vitamins that dissolve only in fats?

a)

Vit. A, B, C

b)

Vit. B, C

c)

Vit. C, D, E

d)

Vit. A, D, E, K

68.

Tick (✓) in the box of a best answer. What are the minerals that function as nerve impulse conduction?

a)

Sodium and Potassium

b)

Calcium and Phosphorus

c)

Irons and Copper

d)

Copper and Iodine

69.

IV. Fill in blank using the appropriate word in the box below. The exchange of ________ and carbon dioxide takes place between the alveoli and ________.

a)

blood

b)

capillaries

c)

oxygen

d)

one cell

70.

IV. Fill in blank using the appropriate word in the box below. The exchange of oxygen and carbon dioxide takes place between the alveoli and ________.

a)

blood

b)

capillaries

c)

oxygen

d)

one cell

71.

IV. Fill in blank using the appropriate word in the box below. This easily happens because the walls of the ________ are each only ________ thick.

a)

blood

b)

capillaries

c)

oxygen

d)

one cell

72.

IV. Fill in blank using the appropriate word in the box below. This easily happens because the walls of the alveoli and the are each only ________ thick.

a)

blood

b)

capillaries

c)

oxygen

d)

one cell

73.

IV. Fill in blank using the appropriate word in the box below. Oxygen moves through the cell membranes of the alveoli and then through the cell membrane of the capillaries into the ________.

a)

blood

b)

capillaries

c)

oxygen

d)

one cell

74.

III. Answer the following questions. What was the first ancestor of life on Earth, and when did they appear?

a)

Single-celled prokaryotes about 3.5 billion years ago

b)

Multicellular plants about 600 million years ago

c)

Dinoflagellates about 2.0 billion years ago

d)

Mammals about 65 million years ago

75.

III. Answer the following questions. Why was Oparin’s hypothesis about the origins of life important to Miller and Urey?

a)

It proposed that early Earth’s atmosphere could form organic molecules, guiding the gas mixture used in their experiment.

b)

It proved that living cells spontaneously appear from nonliving matter.

c)

It showed that modern oceans contain all amino acids used by cells.

d)

It explained how multicellular organisms evolved from bacteria.

76.

III. Answer the following questions. What are the three main parts of the cell?

a)

Cell membrane, cytoplasm, nucleus

b)

Cell wall, chloroplast, vacuole

c)

Chromosome, ribosome, mitochondrion

d)

Flagellum, cilia, lysosome

77.

III. Answer the following questions. What is the difference between onion cell and elodea cell?

a)

Elodea cells contain visible chloroplasts while onion bulb cells generally do not

b)

Onion cells have cell walls while elodea cells do not

c)

Elodea cells are animal cells; onion cells are plant cells

d)

Onion cells perform photosynthesis; elodea cells do not

78.

III. Answer the following questions. What is an advantage of having air enter through the nostril?

a)

Air is filtered, warmed, and moistened before reaching the lungs

b)

Air bypasses the trachea and directly enters the alveoli

c)

It increases the concentration of carbon dioxide in inhaled air

d)

It prevents any microorganisms from entering the body

79.

III. Answer the following questions. What are the functions of the respiratory system?

a)

Bring oxygen into the body and remove carbon dioxide

b)

Pump blood through arteries and veins

c)

Digest food and absorb nutrients

d)

Store minerals in bones

80.

III. Answer the following questions. How many cells does each bacterium have? How about you?

a)

A bacterium has one cell; a human has many trillions of cells

b)

A bacterium has many cells; a human has one cell

c)

Both bacteria and humans have the same number of cells

d)

A bacterium has no cells; a human has a few cells

81.

III. Answer the following questions. When was the cell discovered, by who, and how?

a)

In 1665 by Robert Hooke using a microscope to observe cork

b)

In 1543 by Copernicus using a telescope

c)

In 1882 by Koch using petri dishes

d)

In 1953 by Watson and Crick using X-ray diffraction

82.

III. Answer the following questions. Suppose your teacher gave you a slide of an unknown cell. How would you tell whether the cell was from an animal or from a plant?

a)

Look for a cell wall and chloroplasts to identify a plant cell

b)

Check for a nucleus; animal cells lack nuclei

c)

Measure the size; plant cells are always smaller

d)

Only animal cells have mitochondria

83.

III. Answer the following questions. What process is used by white blood cells to engulf bacteria?

a)

Phagocytosis

b)

Diffusion

c)

Osmosis

d)

Photosynthesis

84.

III. Answer the following questions. What was the first ancestor of all lives on Earth—was it unicellular or multicellular?

a)

Unicellular organisms

b)

Multicellular organisms

c)

Only viruses

d)

Only fungi

85.

III. Answer the following questions. What is a cell, and why are cells important?

a)

The basic unit of life; they carry out essential functions of organisms

b)

A small organ in the body; it stores fat

c)

A type of tissue that forms bones; it gives structure

d)

A chemical that controls breathing; it changes air pressure

86.

III. Answer the following questions. What are the four functions of blood?

a)

Transport substances, regulate temperature, defend against disease, and clot wounds

b)

Conduct nerve impulses, store minerals, produce hormones, and digest food

c)

Increase bone density, control muscle movement, filter air, and absorb nutrients

d)

Make proteins, break down fats, release energy, and form cartilage

87.

III. Answer the following questions. Compare between the three types of blood circulation.

a)

Systemic circulates blood to the body, pulmonary to the lungs, and coronary to the heart muscle

b)

Systemic is within the heart, pulmonary within the brain, coronary within the kidneys

c)

Pulmonary delivers nutrients to tissues, systemic exchanges gases in the lungs, coronary digests food

d)

Coronary moves blood to the liver, pulmonary to the stomach, systemic to the skin

88.

III. Answer the following questions. What are the four main functions of blood?

a)

Carry gases and nutrients, remove wastes, protect against infection, and help clotting

b)

Make bones stronger, produce electricity, regulate plant growth, and store water

c)

Create new organs, maintain cell walls, digest fats, and control light absorption

d)

Provide oxygen only, store calcium only, produce energy only, and break down carbohydrates only

89.

III. Answer the following questions. Why are nutrition facts found on all packaged foods important?

a)

They inform consumers about nutrient content to help make healthy choices

b)

They are required to advertise the brand’s logo

c)

They prevent food from spoiling

d)

They eliminate the need to cook food

90.

III. Answer the following questions. Why can saturated fats cause diseases?

a)

They raise LDL cholesterol, increasing the risk of heart disease

b)

They increase lung capacity and improve breathing

c)

They neutralize stomach acid and prevent ulcers

d)

They strengthen bones by adding calcium