WorksheetsNCERT Class 7 - Water
Total questions: 14
Worksheet time: 8mins
_____ is an artificial enclosure for keeping small house plants.
Earth
Terrarium
Vase
Four major sources of fresh water
(a)
When is World Water Day Celebrated?
8 March
22 July
22 March
1 April
_____ in Israel has salinity of 340 grams per litre of water.
Dead Sea
Mediterranean Sea
Arabian Sea
Red Sea
Tsunami is a Japanese word that means (a)
_____ are formed when wind scrape across the ocean surface.
Tsunami
Ocean Current
Waves
Tides
Which of the following statements are false?
( i ) An earthquake, a volcanic eruption or underwater landslides can shift large amounts of ocean water, as a result a huge tide is formed called wave.
( ii ) The largest Tsunami ever measured was 150m, high.
( iii ) Tsunami struck havoc in the Indian Ocean on 26 October 2004.
Both ( i ) and ( ii )
Both ( i ) and ( iii )
All are correct
All are false
The rhythmic rise and fall of ocean water twice in a day is called as a waves
True
False
Name the tide shown in the picture.
(a)
State the tide which is formed.
Spring Tide
Neap Tide
High Tide
Low Tide
The ______ in Andaman and Nicobar island got submerged after the tsunami.
Andhra Pradesh
Indira point
Puducherry
Sumatra
In India, the worst affected (tsunami) coastal areas were :
Kerala
Puducherry
Tamil Nadu
All of them
When the water on the surface of the ocean rises and falls alternately, they are called
Ocean Currents
Tides
Waves
______ percent of people were affected by tsunami.
10,000
20,000
10,00
20,00
