The following passage has not been edited. There is an error in each line. Identify the error and write the correct word in the space provided. The first one has been done for you.

Editing Exercise 1

	Error	Correction
The biometric security system uses measurements of a persons’ physical (a)	persons’	person’s
characteristics that is difficult to abuse or tamper with. Voice recognition (b)
is one such method. Here digitized voice prints making from a person’s (c)
speech samples are stored on a ‘smart’ credit card or passport. This provide (d)
an additional level of security as the card still contains other biometric (e)
data. The two main factors used here is speech patterns and voiceprint. (f)
The face recognition method requires a camera capturing an image of a (g)
face in a crowd. The system adjusts to compensate of the angle at which the photo is taken. (h)

Answers

a) Error – persons’ / correction – person’s (Persons’ is a plural expression. To mean the physical characteristics of a person, write a person’s physical characteristics.)

b) Error – is / correction – are (Here the subject is the plural noun characteristics. The verb in a relative clause should agree with the antecedent of the relative pronoun in number and person.)

c) Error – making / correction – made

d) Error – provide / correction – provides (Here the subject is the singular pronoun this.)

e) Error – still / correction – already

f) Error – is / correction – are (The subject is the plural noun factors.)

g) Error – capturing / correction – captures

h) Error – of / correction – for

Exercise 2

	Error	Correction
Weird things are happening at Saturn’s moon Enceladus. It is now part (a)	at	on
of a small group of places in the solar system that could possible support (b)
life. Discovering in 1789 by William Herschel, Enceladus is only 483 km (c)
wide. Planetary scientists expects that it would be nothing more than (d)
a freezing chunk of ice and rock. But the images and data collected by (e)
Nasa’s Cassini aircraft reveals another picture. The aircraft has spotted (f)
eruptions of icy crystals on the planet, suggest that there could (g)
be pools of liquid water just below it’s surface. And it is oozing heat. (h)

Answers

a) Error – at / correction – on (We say on with a planet – on earth, on Saturn etc.)

b) Error – possible / correction – possibly

c) Error – discovering / correction – discovered

d) Error – expects / correction – expect (Here the subject is the plural noun scientists.)

e) Error – freezing / correction – frozen

f) Error – reveals / correction – reveal (Here the subject is the plural expression images and data

g) Error – suggest /correction – suggesting

h) Error – it’s / correction – its (It’s means it is or it has)

See also

• Class 10 CBSE editing exercises with explanations
• Class 10 CBSE editing exercises