8th Standard CBSE Syllabus & Materials
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Published on: 29/10/2025
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Take MCQ Social Science Test

1.
Given below are the names of common rivers in India. Against each river, tick in the appropriate box to indicate whether it floods frequently or not.
| River | Floods frequently | Does not flood frequently |
|---|---|---|
| GODAVARI | ||
| BRAHMAPUTRA | ||
| MAHANADI | ||
| KAVERI | ||
| GANGA | ||
| SUTLEJ |
2.
What should a community do in order to be prepared before every flood season?
3.
How can communities prepare to face floods?
4.
List the causes for floods.
5.
Read the following newspaper reports.
Assam Several embankments on the main Brahmaputra River have been breached, with water engulfing more than 600 villages. About 30,000 hectares of crops were also submerged. All rivers in Assam are flowing at dangerous levels threatening several new areas, officials said. The eastern district of Dhemaji was among the worst affected by a breach in the embankment, with at least 250000 people stranded by the rising waters.
Uttarkashi Heavy monsoon rains have triggered flash floods in parts of northern and western India. A cloudburst that hit nearby Uttarkashi district created a torrent of muddy water that swept away at least six villages while flowing down the mountains, said D.K. Gupta, from the state control room.
Maharashtra Flooding in the western state of Maharashtra where a few cases of cholera have been reported close to Mumbai.
Himachal Pradesh More than 100 people were reported to have died in flash floods in the northern state of Himachal Pradesh earlier this week. The river Sutlej, which runs through the state, was reported to have risen to more than 40 feet above it's not level in some places.
Bihar Water from two of India's biggest rivers-the Brahmaputra and the Ganges-has engulfed thousands of villages. According to some estimates, nearly half a million people have been made homeless in the northern states of Bihar and Assam.
Identify the states and areas that are vulnerable to floods by the following rivers:
(i) Brahmaputra
(ii) Ganga
(iii) Sutlej
6.
Suggest measures to prevent damage from frequent flooding.
7.
Read the newspaper extract of 2002 below.
In Assam, soldiers have helped rescue thousands of people marooned in remote villages, and more troops have been put on 'standby' for relief operations. An army spokesman said that disaster management squads in speedboats and helicopters were also on standby. This is just the beginning of India's monsoon season, but the rains have been unusually heavy so far.
(i) Find out which are the agencies and organisations that play an important role in flood preparedness and response.
(ii) Make a list of their local offices and people heading them. Ask your teacher to contact Red Cross or any of the other agencies to come and tell you how they prepare for floods and other disasters.
1.
Ganga and Brahmaputra rivers flood frequently, whereas the Godavari, Mahanadi, Kaveri, and Sutlej do not.
2.
People should know the nearest safe shelter's route. People must have ready an emergency kit containing first aid kit, strong ropes, a radio, torch, spare batteries, stocks of fresh water, dry food, salt, sugar, kerosene, matchboxes, water-proof bags to store clothing and valuables.
People must be connected with the local radio or TV for warnings and advice and keep themselves alert. Take bullock-carts, agricultural equipment, and domestic animals to a safer place.
3.
Communities can play an important role at the time of floods:
• In seasons of flooding, the flood-prone areas should identify the nearest safe shelters.
• An emergency kit containing useful objects like a first-aid kit, torch, waterproof bags, ere should be kept handy.
• Dry food, drinking water, and warm clothes should be kept handy.
• Taking these steps can be helpful in minimizing the damage due to floods.
4.
There are various causes of floods such as:
• Rainwater or melting snow
• Strong tides, Storms • Cyclones, Tsunami
Other causes of floods are:
• Blocking of river channels by landslides
• The narrowness of the river
• Change in the course of the river
5.
The states that are vulnerable to floods by these rivers are as follows:
(i) Brahmaputra - Assam, Bihar
(ii) Ganga - Bihar
(iii) Sutlej - Himachal Pradesh
6.
Two measures have been suggested, add more.
(i) Raising the height of the public and private building in low lying areas.
(ii) De-silting river beds regularly.
Some other measures to prevent damage from frequent flooding are as follows:
(i) Find higher safe areas than the surrounding, or get built an earthen mound for evacuating in the event of a flood.
(ii) Building structures should be based on sound engineering design.
(iii) People must have an emergency kit ready.
7.
(i) Trained DMTs (Disaster Management Teams) are responsible for preparedness and response in each village or urban neighborhood.
(ii) Students are advised to attempt themselves with the help of their subject teacher by using survey technique.
8th Standard CBSE Syllabus & Materials
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