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HUMAN BODY SYSTEMS

Total questions: 60

Worksheet time: 44mins

Name
Class
Date
1.

The overall reactions of photosynthesis are best summarized as …

a)

12 CO2 + 6 H2O → C6H12O6 + 12 O2 + 6 H2O.

b)

C6H12O6 + 6 O2 + 6 H2O → 6 CO2 + 12 H2O.

c)

6 CO2 + 12 H2O → C6H12O6 + 6 O2 + 6 H2O.

d)

6 CO2 + 12 H2O → C6H12O6 + 12 O2.

2.

What colour of light is best absorbed by plants?

a)

Red and blue

b)

Green and Yellow

c)

Red and green

d)

Blue and green

e)

Only green

3.
Plants need what to do photosynthesis?
a)
Food absorbed from ground
b)
Sun's energy
c)
Food broken down
d)
Minerals from the soil
4.
Which plant part absorbs water and nutrients?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
5.
Which plant part collects the sun's energy and makes food?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
6.

Identify what is shown in the picture

a)

chlorophyll

b)

stomata

c)

carbon dioxide

d)

veins

7.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
8.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
9.

What is the chemical formula for carbon dioxide?

a)

C6H12O6

b)

H2O

c)

O2

d)

CO2

e)

ATP

10.

What is the chemical formula for glucose?

a)

C6H12O6

b)

H2O

c)

O2

d)

CO2

e)

ATP

11.

What is the chemical formula for water?

a)

C6H12O6

b)

H2O

c)

O2

d)

CO2

e)

ATP

12.

What is the chemical formula for oxygen?

a)

C6H12O6

b)

H2O

c)

O2

d)

CO2

e)

ATP

13.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
14.
Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 
a)
1,2,3,4
b)
2,3,1,4
c)
2,1,3,4
d)
4,2,3,1 
15.
a dome shaped sheet of muscle, the _________, separates the chest from the abdomen
a)
diaphragm
b)
epiglottis
c)
alveoli
d)
bronchial tubes
16.
known as the voice box
a)
windpipe
b)
larynx
c)
pharynx
d)
epiglottis
17.

Your body couldn’t breathe without this system. Which one is it?

a)

Respiratory system

b)

Circulatory system

c)

Digestive system

18.

Where in the body does respiration occur?

a)

In the heart

b)

In all living cells

c)

In the muscles

d)

In the lungs

19.

What is this?

a)

a ribosome

b)

a nucleus

c)

a bacterium

d)

a mitochondrion

20.
which kind of cells would have the most mitochondria?
a)
brain cells
b)
bone cells
c)
plant cells
d)
muscle cells
21.
Which equation shows the reaction for anaerobic respiration
a)
carbon dioxide + water --> glucose and oxygen
b)
glucose + Oxygen --> lactic acid and energy
c)
glucose + oxygen --> carbon dioxide and water and energy
d)
glucose --> lactic acid and energy
22.
Which of the following delivers oxygen to cells?
a)
Red Blood cells
b)
White blood cells
c)
Platelets
d)
Plasma
23.
Label A is...
a)
Trachea
b)
Diagphragm
c)
Bronchus
d)
Alveolus
24.

Where are the lungs located?

a)

In the Chest Cavity

b)

In the Spine

c)

In the stomach

25.

The system in any organism that helps in transporting the substances, gases, etc is called ________

a)

Circulatory system

b)

Digestive system

c)

Respiratory system

d)

Excretory system

26.

What is tested by a Doctor by holding the wrist of a person?

a)

Heart beat

b)

Pulse rate

c)

Breath rate

d)

Nerve impulse

27.

Is pulse rate equal to heart beat?

a)

Yes

b)

No

c)

Never

d)

Some times

28.

How many chambers are there in the heart of human?

a)

4

b)

3

c)

2

d)

5

29.

The upper chambers of the heart are known as __________

a)

Atria

b)

Ventricles

c)

Arteries

d)

Veins

30.

What are the lower chambers of heart called?

a)

Ventricles

b)

Atria

c)

Arteries

d)

Veins

31.

Which is the largest artery?

a)

Aorta

b)

Pulmonary vein

c)

Pulmonary artery

d)

Veins

32.

Aorta arises from__________

a)

Right atria

b)

Right ventricle

c)

Left atria

d)

Left ventricle

33.

What is the scientific name given to red blood cells?

a)

megakaryocytes

b)

monocytes

c)

erythrocytes

d)

macrophages

34.

Which of the following secretes hormones directly in the blood?

a)

Bone marrow

b)

Endocrine glands

c)

Histamine

d)

Liver

35.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

36.
How many types of blood vessels are in our body?
a)
1
b)
2
c)
3
d)
4
37.

What are the main functions of the excretory system?

a)

deliver oxygen to the body

b)

remove water and waste from the body

c)

deliver nutrients to the body

d)

remove disease from the body

38.

Which organ filters blood?

a)

Kidneys

b)

Large Intestine

c)

Lungs

d)

Bladder

39.

How many kidneys do you have?

a)

1

b)

3

c)

5

d)

2

40.

What is organ is #1?

a)

Kidney

b)

Stomach

c)

Bladder

d)

Heart

41.

What organ is #3?

a)

Kidney

b)

Stomach

c)

Bladder

d)

Heart

42.

I am the largest organ inside the body

a)

stomach

b)

liver

c)

small intestine

43.

I look like a sleeping snake

a)

colon

b)

small intestine

c)

esophagus

44.

There are how many bones in our body

a)

307

b)

509

c)

206

d)

107

45.

Identify the structural and functional unit in the kidney.

a)

Neurone

b)

Nephron

c)

Nucleus

d)

Glumerulus

46.

What is the job of your digestive system?

a)

To break down food

b)

To remove waste

c)

To pump blood around the body

d)

To bring oxygen into the body

47.

A muscular bag that mixes and crushes food is your

a)

Small Intestine

b)

Stomach

c)

Large Intestine

d)

Esophagus

48.

This picture shows:

a)

Reproduction by fission

b)

Reproduction by Budding

49.

This picture shows:

a)

Reproduction by fission

b)

Reproduction by Budding

50.

The part of a flower that contains the pollen; located at the end of the stamen.

a)

Pistil

b)

Stamen

c)

Anther

d)

Ovary

51.

A female reproductive organ that produces eggs.

a)

Stigma

b)

Ovary

c)

Style

d)

Pistil

52.

The colorful, leaf-like structures that encircle the center part of the flower.

a)

Sepal

b)

Petal

c)

Stamen

d)

Pistil

53.

The female structure of the flower.

a)

Pistil

b)

Stamen

c)

Sepal

d)

Petal

54.

The process of fertilizing flowers by transferring pollen from the male to female parts.

a)

Germination

b)

Pollination

c)

Reproduction

d)

Behavior

55.
Seedless plants reproduce by
a)
spores
b)
seeds
c)
binary fission
d)
mitosis
56.

The gland that stimulates body metabolism (calorie burning)

a)

Thyroid

b)

ovary

c)

testes

57.
Are chemicals that travel in the blood and cause changes in different parts of the body
a)
Hormones
b)
Glands
c)
Parathyroid 
d)
Adrenal Gland 
58.
What are some major organs of the Endocrine system?
a)
Heart and blood vessels
b)
Mouth, Lungs, Bronchi, and Trachea
c)
Esophagus, Stomach, Small and large instestine
d)
Pineal gland, Thyroid gland, Adrenal gland, and pancreas
59.

What is the function of the endocrine system?

a)

to filter and eliminate the waste from the blood

b)

to secrete hormones into the bloodstream to regulate body activities

c)

to provide structure and support for the body

d)

to defend the body against pathogens

60.

Body's central command organ

a)

Brain

b)

Spinal Cord

c)

Stomach

d)

Heart

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