FREQUENTLY USED ROOT WORDS RELATED TO NUMBERS, SIZE, SHAPE, MEASUREMENT & INSTRUMENTS
Learning root words and their meaning help you to understand and remember biology terms very easily. Given below is the table showing frequently used root words related to Numbers, Size, Shapes, Measurements, and Instruments. Try to memorize them and practice the problems below.
|
Root
words |
Meaning |
|
1.
mono-,
uni- |
one |
|
2.
bi-, di- |
two |
|
3.
tri- |
three |
|
4.
tetra- |
four |
|
5.
penta- |
five |
|
6.
hexa- |
six |
|
7.
hepta-,
septa- |
seven |
|
8.
octa- |
eight |
|
9.
nona- |
nine |
|
10.
deca- |
ten |
|
11.
macro- |
large |
|
12.
mega- |
large |
|
13.
micro- |
small |
|
14.
multi- |
many |
|
15.
poly- |
many |
|
16.
–meter |
instrument that
measures |
|
17.
–scope |
instrument to observe or examine |
|
18.
–graph |
instrument that
records, record |
|
19.
cyclo- |
Circular |
|
20.
hemi-, semi- |
Half |
|
21.
mito- |
Thread-like |
|
22.
morpho- |
Form,
appearance |
|
23.
oligo- |
Few |
|
24.
meio- |
Less |
|
25.
kilo- |
Thousand |
|
26.
milli- |
One thousandth |
Practice yourself
Choose the correct option:1. The superclass of Vertebrata that include four-limbed animals is called
A. Tetrapoda
B. Cephalopoda
C. Octapoda
D. Hexapoda
2. The condition of the presence of a sixth finger or toe is known as
A. Osteoarthritis
B. Hydrocoel
C. Hexadactyly
D. Myocarditis
3. Pteridophytes such as Lycopods have small leaves in relation to stem. They are known as
A. Polyphyllous
B. Multiphyllous
C. Macrophyllous
D. Microphyllous
4. The instrument used to observe the inside of the Stomach is
A. Gastroscope
B. Arthroscope
C. Otoscope
D. Microscope
5. Which of the following is a symptom of Acromegaly?
A. Flat round faceB. Enlarged hands and feetC. Loss of hairD. Rudiment sex organs
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