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S1 After mid-term_G7 bio_We live in the biosphere

Total questions: 125

Worksheet time: 42mins

Name
Class
Date
1.

Number 1 and 2 are pointing to.......

a)

The nose and nasal passage.

b)

The mouth and trachea.

c)

The bronchus and bronchioles.

d)

The nose and alveoli.

2.

Which number is pointing to the trachea?

a)

7

b)

6

c)

9

d)

4

3.

Which number is pointing to the diaphragm?

a)

8

b)

7

c)

6

d)

5

4.

The blue tubes that branch from the trachea are called ____.

a)

bronchi

b)

alveoli

c)

larnyx

d)

throat

5.

In which part of the lung does gas exchange occur?

a)

bronchus

b)

trachea

c)

bronchiole

d)

alveoli

6.

What do the vessels carry that run around the aveoli?

a)

red blood cells

b)

white blood cells

c)

plasma

d)

platelets

7.

What gas is added to the blood cells and which gas is taken away in the lungs?

a)

Oxygen is added and carbon dioxide is removed.

b)

Carbon dioxide is added and oxygen is removed.

c)

Nitrogen is added and hydrogen is removed.

d)

Propane is added and methane is removed.

8.

How does the extra space created by your diaphragm and rib muscles contracting affect the air pressure inside your chest cavity?

a)

The air pressure increases.

b)

The air pressure decreases.

c)

The air pressure does not change.

d)

The air pressure fluctuates.

9.

How does an increase in air pressure in your chest cavity affect your lungs?

a)

Air rushes in to the lungs.

b)

Air is forced out of the lungs.

c)

The lungs are not affected.

d)

Air does not move in or out.

10.

When the space inside your chest cavity decreases, air pressure ___________.

a)

increases

b)

decreases

c)

stays the same

d)

fluctuates

11.

What system moves air into and out of the lungs?

a)

respiratory

b)

circulatory

c)

digestive

d)

muscular

12.

The respiratory system delivers _______ to the blood stream and transports ____________ out of the body?

a)

oxygen, carbon dioxide

b)

carbon dioxide, oxygen

c)

water, gases

d)

nutrients, wastes

13.

Where is the larynx located?

a)

at the top of the trachea

b)

in your lungs

c)

in your esophagus

d)

in the bronchial tree

14.

If you cannot speak, where might the problem be?

a)

larynx

b)

lungs

c)

trachea

d)

pharnyx

15.

Where does oxygen initially enter into the body?

a)

nose and mouth

b)

eyes

c)

brain

d)

throat

16.

This area warms, moisturizes, and filters air before going to the lungs. What is it?

a)

nasal cavity

b)

nose

c)

mouth

d)

trachea

17.

Where are your vocal chords housed and what is this area called?

a)

pharynx

b)

larynx

c)

throat

d)

trachea

18.

Your windpipe is also called the...

a)

trachea

b)

larynx

c)

pharynx

d)

esophagus

19.

What are the two branches called that branch off from your trachea and into your lungs?

a)

bronchus (bronchi)

b)

alveoli

c)

lungs

d)

trachea

20.

What are the smaller branches of the bronchi called?

a)

bronchioles

b)

alveoli

c)

ravioli

d)

lungs

21.

These tiny grape-like air sacs is where the gas exchange of oxygen and carbon dioxide happen in the lungs. What is it?

a)

alveoli

b)

lungs

c)

ravioli

d)

bronchioles

22.

The elastic sponge-like organs are where gas exchange occurs.

a)

lungs

b)

alveoli

c)

ravioli

d)

trachea

23.

This condition occurs when the airway is narrowed due to inflammation of the bronchi. Which condition is this?

a)

alveoli

b)

asthma

c)

lung cancer

d)

emphysema

24.

What do humans need to breathe in from the air?

a)

oxygen

b)

nitrogen

c)

carbon dioxide

d)

ammonia

25.

What gas do plants take in that animal/humans breathe out?

a)

carbon dioxide

b)

oxygen

c)

nitrogen

d)

phosphorus

26.

What happens during pneumonia?

a)

the alveoli fill with fluid making it harder to breathe

b)

a blockage in the brain prevents blood from being delivered

c)

the heart stops beating

d)

the uncontrolled growth of abnormal cells in one or both lungs

27.

What is the function of the diaphragm?

a)

the muscle that contracts and relaxes when you breathe

b)

the muscle that regulates your heart beat

c)

no function

28.

tiny sacs of lung tissue specialized for the movement of gases between air and blood.

a)

lungs

b)

bronchi

c)

alveoli

d)

diaphragm

29.

tiny, hairlike projections in the airway that move in a wavelike manner.

a)

alveoli

b)

cilia

c)

trachea

d)

lungs

30.

the windpipe; a passage through which air moves in the respiratory system.

a)

trachea

b)

lungs

c)

larynx

d)

bronchi

31.

the passages that direct air into the lungs.

a)

lungs

b)

trachea

c)

bronchi

d)

alveoli

32.

What can you infer about the function of the ribcage?

a)

It protects the lungs.

b)

It helps the lungs pump oxygen.

c)

It delivers oxygen from the lungs to the bloodstream.

d)

It connects the trachea to the lungs.

33.

What word best describes the function of the trachea?

a)

Pumping station

b)

Entrance point

c)

Muscle

d)

Passageway

34.

What happens when your diaphragm relaxes and moves upward?

a)

Your lungs deflate and you breathe out.

b)

Your lungs inflate and you breathe in.

c)

Your alveoli transfer oxygen to your bloodstream.

d)

Your bloodstream transfers carbon dioxide to your alveoli.

35.

What organ of the respiratory system is in blue.

a)

pharynx

b)

trachea

c)

larynx

d)

epiglottis

36.

What organ of the respiratory system is in purple.

a)

pharynx

b)

trachea

c)

larynx

d)

epiglottis

37.

What is the function of these tiny hairs in the bronchial tubes?

a)

moistens the air as it enters the lungs

b)

helps the lungs get carbon dioxide

c)

removes unwanted mater from the lungs

d)

helps the lungs get oxygen

38.

What is the dome-shaped muscle beneath the lungs that helps us breathe.

a)

diagram

b)

dialysis

c)

diaphragm

d)

diorama

39.

Cellular respiration uses glucose and __________ to make energy.

a)

carbon dioxide

b)

glucose

c)

oxygen

d)

mitochondria

40.

Which organ of the digestive system physically breaks down food by the squeezing and churning of muscular contractions?

a)

mouth

b)

stomach

c)

esophagus

d)

small intestine

41.

The muscular tube that connects the mouth to the stomach.

a)

stomach

b)

esophagus

c)

large intestine

d)

small intestine

42.

Which organ is responsible for absorbing water from digested food?

a)

small intestine

b)

stomach

c)

large intestine

d)

mouth

43.

Digestion begins here, where food is broken into smaller pieces before entering the esophagus.

a)

large intestine

b)

stomach

c)

small intestine

d)

mouth

44.

In which organ does most of the chemical digestion of food occur?

a)

small intestine

b)

large intestine

c)

stomach

d)

mouth

45.

Which of the following organs does NOT contribute digestive juices and enzymes?

a)

liver

b)

gallbladder

c)

pancreas

d)

thyroid

46.

What happens if one organ of the digestive system is not functioning properly?

a)

We will not be able to digest food properly.

b)

We will have no problems.

c)

It will only affect my digestive system, but not other body systems.

47.

Which organ of the digestive system secretes pepsin and hydrochloric acid?

a)

mouth

b)

stomach

c)

esophagus

d)

small intestine

48.

Which organ of the digestive system begins the breakdown of proteins in food?

a)

mouth

b)

stomach

c)

esophagus

d)

small intestine

49.

The enzyme, PEPSIN, breaks down proteins into...

a)

glucose

b)

fatty acids

c)

amino acids

d)

nucleic acids

50.

The breakdown of starch (carbohydrates) begins in the...

a)

small intestine

b)

stomach

c)

large intestine

d)

mouth

51.

Amylase is an enzyme found in the ___________ and begins breaking down which food molecule?

a)

mouth; fats

b)

stomach; fats

c)

stomach; carbohydrates

d)

mouth; carbohydrates

52.

In which organ does most of the nutrient absorption occur?

a)

small intestine

b)

large intestine

c)

stomach

d)

mouth

53.

In which organ of the digestive system are most fats broken down?

a)

esophagus

b)

stomach

c)

small intestine

d)

large intestine

54.

What are the functions of the Digestive system?

a)

Food digestion

b)

Provides storage

c)

Removal of undigested materials

d)

Absorption of digested food

55.

An organ that stores bile after it is produced by the liver.

a)

Pancreas

b)

Small intestine

c)

Gallbladder

d)

Large intestine

56.

Which organ absorbs water and in the last stage of the digestive process?

a)

Liver

b)

Small intestine

c)

Pancreas

d)

Large intestine

57.

The tiny little structures that line the small intestine are called

a)

Bronchi

b)

Villi

c)

Bile

d)

Enzymes

58.

 Bile is a chemical that helps break down

a)

Proteins

b)

Carbohydrates

c)

Glucose

d)

Fats

59.

How long does food stay in your small intestine?

a)

30 minutes

b)

1 hour

c)

8 hours

d)

5 hours

e)

None

60.

The muscles in your oesophagus act like a giant wave. That is what moves food or drinks down to your stomach. This wave action is called ______________

a)

Appendix

b)

Peristalsis

c)

Enzymes

d)

Muscular tube

e)

None

61.

What acid does the stomach produce?

a)

Nitric acid

b)

Phosphoric acid

c)

Acetic acid

d)

Hydrochloric acid

e)

None

62.

body system that breaks down food and absorbs nutrients

a)

digestive system

b)

mouth

c)

mechanical digestion

63.

tube connecting the mouth to the stomach

a)

stomach

b)

esophagus

c)

peristalsis

64.

waves of muscle contractions (squeezing)

a)

stomach

b)

small intestine

c)

peristalsis

65.

large muscular sac that continues the mechanical and chemical digestion of food

a)

stomach

b)

small intestine

c)

liver

66.

Digestive organ where most chemical digestion and absorption of food takes place

a)

pancreas

b)

small intestine

c)

liver

67.

produces bile to break up fat particles

a)

pancreas

b)

large intestine

c)

liver

68.

produces enzymes for the small intestine that help break down starches, proteins, and fats

a)

pancreas

b)

large intestine

c)

liver

69.

absorbs water into bloodstream

a)

gall bladder

b)

large intestine

c)

liver

70.

organ that stores bile

a)

gall bladder

b)

large intestine

c)

liver

71.

Which of these is NOT a function of the digestive system?

a)

breaks down food

b)

absorbs nutrients

c)

eliminates waste

d)

takes oxygen to body cells

72.

moves food from the mouth to the stomach

a)

esophagus

b)

small intestine

c)

large intestine

d)

pancreas

73.

waves of muscular contractions that move food through the digestive tract.

a)

digestion

b)

absorption

c)

peristalsis

d)

villi

74.

finger-like projections in the small intestine that absorb nutrients

a)

digestion

b)

absorption

c)

peristalsis

d)

villi

75.

Which organ produces bile that breaks down food?

a)

pancreas

b)

liver

c)

gall bladder

d)

stomach

76.

Why do we eat?

a)

To get the nutrients we need to survive.

b)

So we can gain weight.

c)

Because we enjoy it.

d)

To get carbon dioxide and oxygen.

77.

When the pancreas does not make enough insulin to break down glucose.

a)

Diabetes

b)

Cancer

c)

Appendicitis

d)

Acid Reflux

78.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
79.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)

Carbon dioxide + light + water --> oxygen + Sugar

b)

Carbon dioxide + sugar + water --> oxygen + light

c)

oxygen + light + water --> Carbon dioxide + Sugar

d)

Carbon dioxide + oxygen + water --> Light+ Sugar

80.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
81.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
82.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
83.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
84.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
85.
Chloroplasts are...
a)
Structures of animal cells to produce ATP
b)
Organelles where lipids are elaborated
c)
Specialized structures of plants where food is made
d)
Waste organelle of plants
86.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
87.
Which of the following go through the process of photosynthesis?
a)
bees
b)
algae
c)
humans
d)
mushrooms
88.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
89.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
90.
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
91.
Animal cells do not have chloroplasts.
a)
TRUE
b)
FALSE
92.
What energy role describes an organism that makes its own food, usually by using energy from the sun?
a)
consumer
b)
producer
c)
carnivore
d)
decomposer
93.

Another word (a synonym) for a producer

a)
scavenger
b)
consumer
c)
autotroph
d)
heterotroph
94.
What energy role describes an organism that cannot make its own food and therefore gets energy by eating other organisms?
a)
consumer
b)
producer
c)
autotroph
d)
sunlight
95.
Hetetrotroph is another word (a synonym) for
a)
scavenger
b)
producer
c)
autotroph
d)
consumer
96.
All of the following are types of consumers EXCEPT for
a)
carnivore
b)
herbivore
c)
omnivore
d)
producer
97.
Consumers that eat only meat are called
a)
decomposers
b)
herbivores
c)
carnivores
d)
omnivores
98.
Herbivores eat
a)
meat only
b)
plants only
c)
both meat and plants
d)
freshly dead organisms
99.
Omnivores eat
a)
meat only
b)
plants only
c)
both meat and plants
d)
freshly dead organisms
100.
Great white sharks eat fish, rays, and other sharks. This energy role is
a)
producer
b)
omnivore
c)
scavenger
d)
carnivore
101.
Wild pigs eat leaves, plant roots, flowers, lizards, and snakes. This energy role is
a)
producer
b)
omnivore
c)
herbivore
d)
scavenger
102.

Which of the following IS NOT a limiting factor for photosynthesis?

a)

Carbon dioxide concentration

b)

Oxygen concentration

c)

Temperature

d)

Light intensity

103.

What do we call something that will affect the rate of photosynthesis?

a)

Light intensity

b)

Limiting factor

c)

Carbon dioxide concentration

d)

Control factor

104.
When it is chilly and raining outside, there is no photosynthesis taking place. What is the limiting factor?
a)
Temperature
b)
Rainfall
c)
Carbon Dioxide
105.

An environmental factor that causes a population to stop growing or decrease in size is a ______________.

a)

habitat

b)

limiting factor

c)

biotic factor

d)

ecosystem

106.
Which terms best describe heterotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
107.
What is another name to describe an autotroph?
a)
Consumer
b)
Producer
108.
What is another name to describe a heterotroph?
a)
Consumer
b)
Producer
109.

Hunt/Gather/Graze for Food, Dependent on other species

a)

Autotroph

b)

Heterotroph

110.

In general has more biomass, and more energy

a)

Autotrophs

b)

Heterotrophs

111.
Root systems function in 
a)
anchoring the plant
b)
growth
c)
absorption
d)
all of these
112.
root hairs are prominent in the 
a)
root cap
b)
apical meristem
c)
region of elongation
d)
region of maturation
113.
What is the name of the part of the root that allows water and minerals enter?
a)
root hairs
b)
epidermis
c)
phloem
d)
phyla
114.

Root hairs allow a plant to absorb more water - this is because of....?

a)

the increased root surface area

b)

they have more stomata

c)

the sieve tube members

d)

the greater volume of sugar crystals

115.

Plants can store food in their roots.

a)

True - and it's so cool!

b)

False - there's no way!

116.

Where do plants get their nutrients and water?

a)

Jesus

b)

the air

c)

the soil

d)

their mom

117.

What is the function of roots?

a)

absorb water and minerals from the soil

b)

support the plant

c)

photosynthesis

118.

Match the root structure with its function.

Structure: root cap

a)

function: covers the tip of the root and makes a liquid to help the roots grow

b)

function: makes root hairs to help absorb water and minerals from the soil

c)

function: helps transport and store plant materials

d)

Function: waterproof strip to allow substances to pass through through the endodermal cells

e)

function: makes lateral roots, some can develop vascular cambium (xylem and phloem)

119.

What captures the sun's energy?

a)

mitochondria

b)

chlorophyll

c)

stomata

d)

cytoplasm

120.

The plant tissue that carries food materials DOWNWARD from the leaves to the rest of the pant is the ______.

a)

Phloem

b)

Stomata

c)

Chlorophyll

d)

Xylem

121.

Vascular tissue that transports water and minerals UPWARDS from a plant's roots is know as ______.

a)

Chlorophyll

b)

Phloem

c)

Stomata

d)

Xylem

122.
Where do most plants produce their food?
a)
Stem
b)
Leaves
c)
Roots
d)
Seeds
123.
What carries water from the roots to the leaves?
a)
leaves
b)
stem
c)
seeds
d)
flower
124.
What does the stem of the plant do?
a)
It makes food for the plant
b)
It soaks up the water from the ground
c)
It delivers water to the other parts of the plant
d)
It makes seed
125.

TRUE or FALSE. Roots help a plant take in water and nutrients from the soil.

a)

TRUE

b)

FALSE

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