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

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

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:

  1. Local communities are expected to provide immediate disaster response.
  2. On a daily basis, our police officers, firefighters, and emergency medical technicians are our community’s first responders.

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

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

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

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

Question 3.
Though Japan has the densest seismic network, Indonesia has the most number of earthquakes. Why?
Answer:

  1. The whole Japan is in a very active seismic area, and it has the densest seismic network in the world.
  2. Indonesia is in a very active seismic zone, but by virtue of its larger size than Japan, it has more total earthquakes.
  3. It is in extremely active seismic areas along subduction zones

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

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

  1. On an 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:
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.

III. Answer in Paragraph.

Question 1.
Write a short note on Tsunami.
Answer:

  1. A tsunami can kill or injure people and damage or destroy buildings and infrastructure as waves come in and go out.
  2. A tsunami is a series of enormous ocean waves caused by earthquakes, underwater landslides, volcanic eruptions, or asteroids.
  3. Tsunamis can travel 700-800 per hour with waves 10-30 meter high.
  4. It causes flooding and disrupts transportation, power, communications, and the water supply.

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

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

  1. DROP to the ground; take COVER by getting under a sturdy table or other piece of furniture and HOLD ON until the shaking stops. If there is no a 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 windowsroutside doors and walls, and anything that could fall, (such as lighting fixtures or furniture).
  4. Stay inside until the shaking stops and afterwards it is safe to go outside.

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

  1. You should find out if your heme, school, workplace, or other frequently visited locations are in tsunami hazard areas along 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 know what to do in a tsunami situation.
  5. Discussing tsunamis ahead of time will help reduce fear and save precious time in an emergency.
  6. Review flood safety and preparedness measures with your family.

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

Question 4.
Write three sentences about what to do during 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 metres 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 choses 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.

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

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 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 spreading.

III. Short answer

Question 1.
What is meant by Disaster Response?
Answer:

  1. Disaster response entails restoring physical facilities, rehabilitation of affected populations, restoration of lost livelihoods and reconstruction efforts to restore the infrastructure lost or damaged.
  2. 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 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 earthquake originates is 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 in Richter scale.

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

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, (ii) Check yourself for injuries and get first aid if necessary before helping injured or trapped
  2. If someone needs to be rescued, call professionals with the right equipment to help.
  3. 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.
  4. 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.
  5. 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.
Mention the causes for lire? What are the problems caused by fire?
Answer:

  1. Wildfires occur when vegetated areas are set alight and are particularly common during hot and dry periods.
  2. They can occur in forests, grasslands, bush and deserts, and with sufficient wind can rapidly spread.
  3. Fires can lead to the destruction of buildings, wooden bridges and poles, power, transmission and telecommunication lines, warehouses of containing oil products and other fuel. It causes injury to people and animals.
  4. The most common causes of fires are lightning strikes, sparks during arid conditions, the eruption of volcanoes, and man-made fires arising from deliberate arson or accidents.
  5. A side-effect of wildfires that also threatens inhabited areas is smoke.
  6. Fires create large quantities of smoke, which can be spread far by wind and poses a respiratory hazard.

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

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 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 other hand 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 staircase and not use elevators?
Ans: 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.

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

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 wall, glass panes may happen. So it is better to be away from it.

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