Sunday, July 26, 2020

Frequently used root words in biology - 3 (Positions)

FREQUENTLY USED ROOT WORDS RELATED TO POSITION


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 Position. Try to memorize them and practice the problems below.

Root words

Meaning

1.       acro-:

tip

2.       ana-:

up, upward

3.       cata-:

down, downward

4.       ecto-, exo-:

outer

5.       endo-:

inner

6.       extra-:

outer

7.       hyper-:

above, increase

8.       hypo-:

below, decrease

9.       infra-:

below

10.   inter-:

between

11.   intra-:

inside

12.   meso-:

middle

13.   peri-:

surrounding, all around

14.   pre-, pro-:

first, before

15.   supra-:

above

16.   tele-:

to or at a distance

17.   ultra-:

beyond


Practice yourself

Choose the correct option:

1. The structure present at the tip of a sperm is called

A. Lysosome
B. Acrosome
C. Ribosome
D. Nucleosome

2. The abnormal increase in thyroid hormones is termed as

A. Hyperthyroidism
B. Hypothyroidism
C. Hyperparathyroidism
D. Hypoparathyroidism

3. The germinal layer present in between outer and inner layer of embryo is called

A. Ectoderm
B. Endoderm
C. Mesoderm
D. Epidermis

4. The digestion of food occurring inside the cells is called

A. Extracellular digestion
B. Intracellular digestion
C. Intercellular digestion
D. Pericellular digestion

5. The instrument used to observe the organs inside the body is

A. Microscope
B. Periscope
C. Telescope
D. Endoscope

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