Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chapter 21-Lesson 1& 2 - grade 9

Total questions: 65

Worksheet time: 51mins

Name
Class
Date
1.

It is not soluble in water

a)

organic compound

b)

inorganic compound

2.

Which of the given compound is NOT an inorganic compound?

a)

HBr

b)

C8H18

c)

NO2

d)

CuSO4

3.
Which of the following elements is required in an organic compound?
a)
nitrogen
b)
oxygen
c)
carbon
d)
sodium
4.
Which compound is inorganic?
a)
Glucose (C₆H₁₂O₆)
b)
Ethane (C₂H₆)
c)
Carbon Dioxide (CO₂)
d)
Stearic Acid (C₁₈H₃₆O₂)
5.
Is NaCl (table salt) a Organic or Inorganic Compound?
a)
Inorganic
b)
Organic
6.
The four organic compounds found in living things are?
a)
Carbohydrates, Lipids, Nucleic Acids, and Oxygen
b)
Carbohydrates, Lipids, Proteins, and Carbon
c)
Carbohydrates, Lipids, Proteins, Nucleic Acids
d)
Carbon, Lipids, Proteins, Nucleic Acids
7.

Function: Stores genetic information

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

8.

Function: Source of quick energy

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

9.

Examples: Fats, oils, waxes, cholesterol, hormones

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

10.

Examples: DNA and RNA

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

11.

Example: Monosaccharides

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

12.

Example: Amino Acids

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

13.

Function: Forms the cell membranes

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

14.

The element _______is found in all of the organic compounds.

a)

Iron

b)

Nitrogen

c)

Carbon

d)

Oxygen

15.

When an atom loses an electron, it becomes a

a)

positive ion

b)

negative ion

c)

neutral ion

d)

neutral atom

16.

IONIC or COVALENT. Sharing of electrons

a)

Ionic

b)

Covalent

17.

IONIC or COVALENT. Transfer of Electrons

a)

Ionic

b)

Covalent

18.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
19.

Which of the following is an example of a nucleic acid?

a)

Proteins

b)

RNA

c)

Enzymes

d)

Cellulose

20.

Glucose, also known as blood sugar, is which type of macromolecule?

a)

Nucleic acids

b)

Lipids

c)

Proteins

d)

Carbohydrate

21.

Which macromolecule stores genetic information?

a)

Nucleic acids

b)

Lipids

c)

Proteins

d)

Carbohydrates

22.

Fatty acids and glycerol are common components of which macromolecule?

a)

Carbohydrates

b)

Nucleic acids

c)

Lipids

d)

Proteins

23.

The macromolecules that make up the majority of the cell membrane's structure are _____.

a)

lipids

b)

proteins

c)

enzymes

d)

carbohydrates

24.

Which category of carbon-based molecules includes sugars and starches?

a)

unsaturated fatty acids

b)

proteins

c)

phospholipids

d)

carbohydrates

25.

We obtain all of the macromolecules form the food we eat except for _____.

a)

carbohydrates

b)

proteins

c)

lipids

d)

nucleic acids

26.

A protein is a macromolecule that is used to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

27.

A carbohydrate is a macromolecule that is used to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

28.
The building blocks of carbohydrates are?
a)
amino acids
b)
fatty acids
c)
monosaccharides 
d)
nucleotides
29.
The three main parts of a nucleotide are the sugar, the phosphate group, and the _____________  base.
a)
carbon
b)
oxygen
c)
nitrogen
d)
hydrogen
30.
What are the building blocks for nucleic acids?
a)
monosaccharides 
b)
amino acids
c)
nucleotides
d)
fatty acids
31.

Homeostasis

a)

allows for a wildly fluctuating internal environment

b)

is impossible in vertebrates

c)

is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

32.
What is responsible for delivering oxygen and removing carbon dioxide from the body?
a)
cell nucleus
b)
excretory system
c)
nervous tissue
d)
respiratory system
33.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
34.
Name the levels of organization in the human body in order from smallest to largest:
a)
Tissue, organ, organ system
b)
Organ system, tissue, organs, cells
c)
Cells, tissue, organs, organ system
d)
Cells , organs, tissue, organ system
35.

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

36.

The process of breaking down food into nutrient rich molecules.

a)

absorption

b)

digestion

c)

peristalsis

d)

villi

37.

The process by which nutrient molecules pass through the wall of your digestive system into your blood.

a)

absorption

b)

digestion

c)

peristalsis

d)

villi

38.

organ where there is the most absorption of nutrients

a)

stomach

b)

small intestine

c)

large intestine

d)

liver

39.

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

a)

digestion

b)

absorption

c)

peristalsis

d)

villi

40.

finger-like projections in the small intestine that absorb nutrients

a)

digestion

b)

absorption

c)

peristalsis

d)

villi

41.

Where does the digestion of proteins take place?

a)

Mouth and stomach

b)

Stomach and small intestine

c)

Mouth and small intestine

d)

Mouth, stomach and small intestine

42.

What are proteins made of?

a)

amino acids

b)

minerals

c)

sugars

d)

vitamins

43.

What is the main source of energy for your body?

a)

proteins

b)

carbohydrates

c)

fats

d)

mineral

44.

Where does absorption take place

a)

A

b)

B

c)

C

d)

D

45.

Which process depends on enzymes?

a)

chemical digestion

b)

elimination

c)

mechanical digestion

d)

absorption

46.

In which part of the picture does chemical digestion begin

a)

1

b)

2

c)

3

d)

4

e)

5

47.
Breaks down into glucose, fructose, starch, or cellulose in digestion
a)
Carbohydrates
b)
Nucleic Acids
c)
Proteins
d)
Lipids
48.
Which of the following nutrients is important for body, cell, and muscle growth and repair?
a)
vitamins
b)
fats
c)
proteins
d)
carbohydrates
49.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

o break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

50.

What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?

a)

diapragm

b)

lungs

c)

trachea

51.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
52.

These are the two two main branches from the trachea (one to each lung)

a)

bronchi

b)

alveoli

c)

capillaries

d)

bronchioles

53.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
54.

The circulatory system works with the ___________ system to provide our body with oxygen and get rid of CO2 (carbon dioxide).

a)

respiratory

b)

digestive

c)

muscular

d)

skeletal

55.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
56.
Which is NOT an organ of the urinary system?
a)
kidney
b)
bladder
c)
ureter
d)
liver
57.

Where does the urinary tract start?

a)

In the kidneys

b)

In the urethra

c)

In the ureters

d)

In the esophagus

58.

After to pass to the ureters, where does the urine lead?

a)

In the kidneys

b)

Into the urethra

c)

On the liver

d)

On the bladder

59.

Blood being pumped to the kidneys and then filtered by neurons is an example of which two systems working together?

a)

circulatory and muscular

b)

excretory and circulatory

c)

nervous and excretory

d)

nervous and muscular

60.

What will happen to your pupils if you are in a really bright room?

a)

They will contract

b)

They will expand

c)

They will burst into flames

d)

They will stay the same size

61.

What structure of the eye controls the size of the pupils?

a)

Ciliary Muscles

b)

Iris

c)

Lens

d)

Retina

62.

Which is the small black circle in the eye?

a)

Iris

b)

Pupil

c)

Sclera

d)

Eyelash

63.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
64.
The two types of feedback systems that help organisms maintain homeostasis are:
a)
positive and negative 
b)
receptor and effector
c)
static and dynamic
d)
minor and major
65.
When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.
a)
Positive Feedback Response
b)
Negative Feedback Loop 

Similar Resources on Wayground

Heat Transfer Review

63 questions

Heat Transfer Review

quiz

Worksheet

•

9th Grade

Unit 7 Evolution Review GEN BIO

62 questions

Unit 7 Evolution Review GEN BIO

quiz

Worksheet

•

9th Grade

Behavior of Matter Unit Study Guide

65 questions

Behavior of Matter Unit Study Guide

quiz

Worksheet

•

9th - 10th Grade

Matter (Pure Substances and Mixtures) Review

68 questions

Matter (Pure Substances and Mixtures) Review

quiz

Worksheet

•

9th - 12th Grade

The Nervous system

62 questions

The Nervous system

quiz

Worksheet

•

8th - 10th Grade

Electricity

64 questions

Electricity

quiz

Worksheet

•

9th Grade

Earth Science Test Review

70 questions

Earth Science Test Review

quiz

Worksheet

•

6th Grade - University

Changes in Matter Review

67 questions

Changes in Matter Review

quiz

Worksheet

•

8th - 12th Grade