Samacheer Kalvi 9th Social Science Guide Geography Chapter 8 Disaster Management: Responding to Disasters

Tamilnadu State Board New Syllabus Samacheer Kalvi 9th Social Science Guide Pdf Geography Chapter 8 Disaster Management: Responding to Disasters Text Book Back Questions and Answers, Important Questions, Notes.

Tamilnadu Samacheer Kalvi 9th Social Science Solutions Geography Chapter 8 Disaster Management: Responding to Disasters

Samacheer Kalvi 9th Social Science Disaster Management: Responding to Disasters Text Book Back Questions and Answers

I. Choose the best answer

Question 1.
One among the following is not the first responder in case of a disaster.
(a) police officers
(b) firefighters
(c) insurance agents
(d) emergency medical technicians
Answer:
(c) insurance agents

Question 2.
‘Drop, Cover, Hold’ is a mock drill a vowal for
(a) Fire
(b) Earthquake
(c) Tsunami.
(d) Riot
Answer:
(b) Earthquake

Question 3.
When you happen to see a fire break out. You will make a call to
(a) 114
(b) 112
(c) 115
(d) 118
Answer:
(b) 112

Question 4.
Which of the following statements is untrue?
(a) ‘Stop, Drop, Roll’ is for fire.
(b) ‘Drop, Cover, Hold’ is for an earthquake.
(c) ‘If sea water recedes back, run to higher places’ is for flood.
(d) ‘If gunshots are heard, drop to the ground and cover the head with hand’ is for riot.
Answer:
(c) ‘If sea water recedes back, run to higher places’ is for flood.

Question 5.
Which of the following statements belongs to responding to earthquake?
(a) Avoid any place where police or security forces action is in progress.
(b) Know the height of your street above sea level and the distance of your street from the coast.
(c) Stay away from glass, windows, outside doors and walls, and anything that could fall.
(d) Before opening a door, feel it with the back of your hand.
Answer:
(c) Stay away from glass, windows, outside doors and walls, and anything that could fall.

II. Answer in brief

Question 1.
Who are the community’s first responders to disaster?
Answer:
On a daily basis, police officers, firefighters, and emergency medical technicians are our community’s first responders, whether during fire, flood or acts of terrorism.

Question 2.
What are the four phases of the Disaster Management Cycle?
Answer:
The four phases of the disaster management cycle.

1. Mitigation
2. Preparedness
3. Response
4. Recovery

Question 3.
Though Japan has the densest seismic network, Indonesia has the most number of earthquakes. Why?
Answer:
Japan is in a very active seismic area and it has the densest seismic network in the world.
Indonesia is in a very active seismic zone, but because it is larger than Japan, it has more earthquakes.

Question 4.
How many males and females die per day due to fire in India?

1. On average, in India, every year, about 25,000 persons die due to fires and related causes.
2. Female accounts for about 66% of those killed in fire accidents.
3. It is estimated that about 42 females and 21 males die every day in India due to fire.

Question 5.
What should you do after a Tsunami?
Answer:

1. You should continue using a weather radio or staying tuned to a Coast Guard emergency frequency station or a local radio or television station for updated emergency information.
2. Check yourself for injuries and get first aid if necessary, before helping injured or trapped persons.
3. If someone needs to be rescued, call professionals with the right equipment to help.
4. Help people who require special assistance, like Infants, elderly people, those without transportation, large families who may need additional help in an emergency situation, people with disabilities, and the people who care for them.
5. Stay out of a building if water remains around it. Tsunami water, like floodwater, can undermine foundations, causing buildings to sink, floors to crack, or walls to collapse.
6. Check for gas leaks. If you smell gas or hear a blowing or hissing noise, open a window and get everyone outside quickly.

III. Answer in Paragraph.

Question 1.
Write a short note on Tsunami.
Answer:
A tsunami can kill or injure people and damage or destroy buildings and infrastructure as waves come forth and recede. A tsunami is a series of enormous ocean waves caused by earthquakes, underwater landslides, volcanic eruptions or asteroids. Tsunamis can travel 700-800 km per hour, with waves 10-30 meters high. It causes flooding and disrupts transportation, power, communications, and water supply.

Question 2.
What do you do if you are indoors during an earthquake?
Answer:
During an earthquake, if you are indoor:

1. DROP to the ground; take COVER by getting under a sturdy table or another piece of furniture and HOLD ON until the shaking stops. If there is no table or desk near you, cover your face and head with your arms and crouch in an inside comer of the building.
2. Protect yourself by staying under the lintel of an inner door, in the comer of a room, under a table, or even under a bed.
3. Stay away from glass windows outside doors and walls, and anything that could fall, (such as lighting fixtures or furniture).
4. Stay inside until the shaking stops and afterward it is safe to go outside.

Question 3.
How do you respond to Tsunami?
Answer:

1. You should find out if your home, school, workplace or other frequently visited locations are in tsunami hazard areas along the sea-shore.
2. Plan evacuation routes from your home, school, workplace, or any other place you could be, where tsunamis poses a risk.
3. Use a weather radio or stay tuned to a local radio or television station to keep informed of local watches and warnings.
4. Discuss tsunamis with your family. Everyone should be aware of what to do when a tsunami strikes. Discussing tsunamis ahead of time will help reduce fear and save precious time in an emergency. Review flood safety and precautionary measures with your family.

Question 4.
Write three sentences about what to do during a fire.
Answer:

1. Evacuate calmly and quickly whenever a fire alarm or carbon monoxide alarm sounds.
2. Before opening the door, feel it with the back of your hand. If the door is hot, do not open it.
3. If you encounter smoke during your evacuation, stay low to the floor.
4. Know the locations of fire extinguishers, fire alarm pull stations, and exits.

Intext Hots

Question 1.
Why should you cut off all the branches of trees below 3 meters of height standing near your house?
Answer:

1. Large trees, up to 70 feet or more should be planted at least 20 feet from the home, medium-sized trees up to 70 feet tall, 15 feet from the home, and small trees 30 feet tall or less, 8 to 10 feet from the home.
2. If the branches and limbs extend part the propriety line trimming and cutting up to the property line allowed.

Samacheer Kalvi 9th Social Science Disaster Management: Responding to Disasters Additional Important Questions and Answers

I. Choose the best answer

Question 1.
Find out the correct statements.
(a) The place on the earth’s surface above the focus is epicenter.
(b) During an earthquake, be chosen to building
(c) Stay inside until the shaking stops.
(d) Fire causes injuring to people and animals.
Answer:
(c) Stay inside until the shaking stops and d. Fire causes injuring to people and animals.

Question 2.
Match the following:

1. Firefighters – (i) 10 – 30 mt high
2. Seismograph – (ii) Respiratory hazard
3. Tsunami – (iii) Forests
4. Smoke – (iv) First responder
5. Wild Fire – (v) Earthquake

Answer:

1. – (iv)
2. – (v)
3. – (i)
4. – (ii)
5. – (iii)

II. Very short answer

Question 1.
What is a disaster?
Answer:
A disaster is “a catastrophe that causes great damage or loss of life and property”.

Question 2.
What is meant by stop, drop, and roll?
Answer:

1. To escape a fire, stop, drop, and roll.
2. In case your clothes bum, stop running, drop on the floor, and roll to stop fire from spreading.

III. Short answer

Question 1.
What do you mean by Disaster Response?
Answer:
Disaster response entails restoring physical facilities, rehabilitation of affected population, restoration of lost livelihoods and reconstruction efforts to restore the infrastructure lost or damaged. The Response Phase focuses primarily on emergency relief: saving lives, providing first aid, restoring damaged systems (communications and transportation), meeting the basic life requirements of those impacted by disaster (food, water and shelter) and providing mental health and spiritual support and care.

Question 2.
How is the Earthquake caused?
Answer:

1. Earthquake is a sudden vibration of the part of the earth caused by plate movements.
2. It occurs along the plate boundaries.
3. The place inside the earth where an earthquake originates is the focus.
4. The point on the earth’s surface above the focus is epicenter.
5. The damage caused by the earthquake is the highest near the epicenter.
6. The earthquake is measured by an instrument is called Seismograph.
7. It is recorded on the Richter scale.

Question 3.
What is to be done after a Tsunami?
Answer:

1. You should continue using a Weather Radio or staying tuned to a Coast Guard emergency frequency station or a local radio or television station for updated emergency information.
2. Check yourself for injuries and get first aid if necessary before helping the injured or trapped.
3. If someone needs to be rescued, call professionals with the right equipment to help.
4. Help people who require special assistance Infants, elderly people, those without transportation, large families who may need additional help in an emergency situation, people with disabilities, and the people who care for them.
5. Stay out of a building if water remains around it. Tsunami water, like floodwater, can undermine foundations, causing buildings to sink, floors to crack, or walls to collapse.
6. Check for gas leaks. If you smell gas or hear a blowing or hissing noise, open a window and get everyone outside quickly.

Question 4.
Write about Fire Safety Do’s and Don’ts.
Answer:
Fire Safety Do’s and Don’ts

1. Know your building’s evacuation plan.
2. Evacuate calmly and quickly, whenever a fire alarm or carbon monoxide alarm sounds.
3. Before opening a door, feel it with the back of your hand. If the door is hot, do not open it.
4. If you encounter smoke during your evacuation, stay low to the floor.
5. Know the outside rally point for your building.
6. Know the locations of fire extinguishers, fire alarm pull stations, and exits.

Question 5.
What should be done during a fire?
Answer:

1. Stay calm.
2. Pull the nearest fire alarm or call 112.
3. Give your name and the location of the fire. Do not hang up until the police dispatcher tells you to do so.
4. Leave the building immediately.
5. Inform others as you pass them to leave the building immediately.
6. Walk – don’t run – to the nearest exit.
7. Never use elevators – an elevator may become a trap.

IV. Answer in one or two sentences

Question 1.
Why do you think you should cover your head with one hand and hold the table with the other hands during an earthquake?
Answer:
it is mainly to protect the head and neck from gently damaged.

Question 2.
During an earthquake, why should we exit through the staircase and not use elevators?
Answer:
Because the earthquake likely to knock out electrical power, the elevator machinery will not work.

Question 3.
Suppose you are in a room of a strong building without any furniture when an earthquake occurs. What would you do to protect yourself from the earthquake?
Answer:
if doors are opened, stand under a doorway or in a comer inside the room. Cover your face and head with your arms.

Question 4.
Reason out why should you stay away from buildings with glass panes during an earthquake.
Answer:
At jolting of the earthquake bursting and breaking of the wall, glass panes may happen. So it is better to be away from it.