Class IX English Workbook Unit 1 Integrated Grammar Practice 1 Solutions CBSE

These exercises are taken from NCERT Class 9 Interact in English Workbook Unit 1

1. Study the given notes and complete the paragraph that follows by filling in the blanks.
Mobile phones – emit electromagnetic field – prolonged exposure – research needed – brain illness – cancer memory loss – evidence- likely to cause – health scares – press reports – people worry needlessly.

Think about it. Every time you use a mobile phone, (a) ……………………………………. head to electromagnetic emission. Manufacturers (b) ………………………………… to prove there is no risk (c) …………………………………………. Some evidence, so far suggests that mobile phone emissions (d) ……………………………… These health scares (e) ………………………………… So, people worry needlessly.
(a)

(i) you expose your
(ii) he exposes his
(iii) one exposes his
(iv) one exposes one’s

(b)

(i) needed
(ii) are needed
(iii) have needed
(iv) need

(c)

(i) in brain cancer or memory loss
(ii) from brain cancer or memory loss
(iii) with brain cancer or memory loss
(iv) of brain cancer or memory loss

(d)

(i) are likely to cause illness
(ii) are likely for causing illness
(iii) is likely in causing illness
(iv) is likely to cause illness

(e)

(i) is base on press reports
(ii) have been based on press reports
(iii) are based on press reports
(iv) are being based on press reports

Solution

(a) you expose your
(b) need
(c) of brain cancer or memory loss
(d) are likely to cause illness
(e) are based on press reports

2. Rearrange the following words and phrases to form meaningful sentences.

(a) of nature / biodiversity / the / is / variety of life forms / interact to support / a/ and / sustain / balance / the

(b) consumed / as / group / more and more of / earth’s / the / resources / are / human population / the / by / being

(c) extinction / crisis / explosive / an consumption / had led / growth and/

(d) that have / earth’s history / mass extinctions / the / threaten / periodically / during / occurred / the / and / to resurface

(e) one everyday / scientists / that / estimate / rate of / species are disappearing / the / at / the

Solution

A variety of life forms interact to support and sustain the balance and the biodiversity of nature.

As more and more of the earth’s resources are being consumed by the human population group.

Explosive growth and consumption had led an extinction crisis.

And the mass extinctions that have periodically occurred during the earth’s history threaten to resurface.

Scientists estimate that the species are disappearing at the rate of one everyday.

3. Choose one suitable word from the given options to complete the paragraph.

It’s in (a) ……………. middle of (b) ………….. night on (c) …………… edge of the world. On the fringes of civilization, where man and beast have barely left (d) …………… mark, 12 people are sleeping in small nylon tents pitched in the scant shelter of …………….. (e) mountains. The camp is at (f) ……………. mercy of the elements. (g) ……………… are volunteers who have set up camp to help gather (h) ……………… information on (i) ……………. the snow leopard population. These conservationists have had very (j) ……………. or no scientific training. They, along with (k) ………………. guides intend to assess (l) ……………….. snow leopard’s habitat in (m) ……………. Altai region, Siberia.

(a) (i) x (ii) a (iii) an (iv) the

(b) (i) the (ii) some (iii) a (iv) one

(c) (i) a (ii) an (iii) the (iv) X

(d) (i) their’s (ii) their (iii) his (iv) our

(e) (i) a (ii) X (iii) the (iv) some

(f) (i) X (ii) a (iii) an (iv) the

(g) (i) This (ii) There (iii) That (iv) These

(h) (i) some (ii) few (iii) X (iv) a few

(i) (i) X (ii) a (iii) an (iv) the

(j) (i) a little (ii) few (iii) some (iv) little

(k) (i) there (ii) their (iii) they’re (iv) these

(l) (i) the (ii) a (iii) an (iv) X

(m) (i) an (ii) a (iii) X (iv) the

Solution

(a) the

(b) a

(c) the

d) their

(e) some / the

(f) the

(g) These

(h) some

(i) the

(j) little

(k) their

(l) the

(m) the

4. Edit the following narrative by choosing the appropriate word from the options given below.

(a) Wander along the streets of New York City, my daughters and (b) me stop at shoe stores wherever we (c) happens to be. This is their choice. These women, who as little (d) girl, teetered around the house (e) balances like cranes in my mother’s high heels. I (f) sits on the bench and wait while they try on shoe (g) on shoe readjusting their positions in (h) a mirror, eyes downcast considering their feet.

‘So?’ one of them (i) will ask me. ‘What do you think of these?’ ‘I love them.’ I say about (j) all pair.

(a) (i) wandered (ii) wandering (iii) were wandering (iv) was wandering

(b) (i) they (ii) I (iii) we (iv) us

(c) (i) happen (ii) happened (iii) are happening (iv) are happened

(d) (i) girls (ii) woman (iii) boys (iv) people

(e) (i) are balancing (ii) is balancing (iii) balanced (iv) balance

(f) (i) sit (ii) am sitting (iii) sat (iv) was sitting

(g) (i) after (ii) before (iii) in (iv) by

(h) (i) that (ii) the (iii) their (iv) X

(i) (i) is asking (ii) asks (iii) are asking (iv) asked

(j) (i) every (ii) few (iii) some (iv) a

Solution

(a) wandering
(b) I
(c) happen
(d) girls
(e) balancing
(f) sit
(g) after
(h) the
(i) asks
(j) every