Available Answers

1. 1.

   Choose the right options to complete these sentences.

   1. The barriers designed by the Indus Valley Civilisation were actually
      1. the city gates.
      2. the sewerage pipes.
      3. the city walls.
      4. all of the above
   2. In the Roman system of waste management, the drained waste went into 
      1. a channel.
      2. a well.
      3. a river or a stream.
      4. a sea.
   3. 'Intricate' in an 'intricate knowledge of hydraulic engineering means
      1. in extreme detail; complicated.
      2. easy to solve and understand.
      3. bookish.
      4. all of te above.
2. 2.

   What does the phrase 'this society boasted of' mean?

3. 3.

   Write about three water supply and sanitation tools of the Indus Valley Civilisation.

4. 4.

   Write a few lines on the Roman system of waste management.

5. 5.

   Change these sentences to reported speech.

   1. Her father said to her, "Go to your room."
   2. "Where is your home?" she asked me.
   3. "What a beautiful rainbow!" Samina exclaimed.
   4. He said to her, "I have lost your pen."
   5. She said, "The earth orbits the sun."
   6. Suresh said, "I have been reading this book."
6. 6.

   Mark the sentences in active voice as A and the sentences in passive voice as P.

   1. Several apartments were built here last year.
   2. Paresh got hurt in an accident.
   3. Someone sent her a cheque for a thousand dollars.
   4. The meeting was postponed for an hour.
   5. The streets were thronged by the activists.
   6. Everyone will blame us.

   Now change the sentences in active into passive voice and vice-versa.