AP 8th Class Social Important Questions Chapter 8 Impact of Technology on Livelihoods

These AP 8th Class Social Studies Important Questions 8th Lesson Impact of Technology on Livelihoods will help students prepare well for the exams.

AP State Syllabus 8th Class Social 8th Lesson Important Questions and Answers Impact of Technology on Livelihoods

Question 1.
What happens when Combined Harvesters are used?
Answer:
Agricultural labourers lose the jobs of harvesting the crop, threshing and cleaning the grains from chaff when Combined Harvesters are used.

Question 2.
Why do farmers use Combined Harvesters?
Answer:
Due to excess benefits by using Combined Harvesters, the farmers are using these Combined Harvesters.

Question 3.
What happened with the invention of steam engine?
Answer:
The steam engine changed many production processes in factories.

Question 4.
What is called an invention?
Answer:
When a new machine or method of production is created for the first time, it is called an invention.

Question 5.
Write the names of any two machines.
Answer:
X-ray machines and power looms.

Question 6.
What can we use instead of rubber?
Answer:
We can use plastic instead of rubber.

Question 7.
Write any two advantages of Mobile phones.
Answer:

1. They reduce the distances between people.
2. Emergency messages can be conveyed within seconds.

Question 8.
Write any two disadvantages of Mobile phones.
Answer:

1. They pollute the minds of children.
2. They cause disturbance in the circulation of electro-magnetic waves of one’s body, who uses it.

Question 9.
What comes under service sectors? What is the technological change in it?
Answer:

1. Services include activities that support agriculture and industries. All the trading activities are also services.
2. Technological changes also affect service activities.
3. Due to this there is a rapid change in communications. They are available at the lowest rates.

Question 10.
Write any two advantages and two disadvantages of Mobile phones.
Answer:
Advantages:

1. They reduce the distances between people.
2. Emergency messages can be conveyed within seconds.

Disadvantages:

1. They pollute the minds of children.
2. They cause a disturbance in the circulation of electro-magnetic waves of one’s body, who uses it.

Question 11.
Appreciate the ladies ¡n the following figures.

Answer:
The women in the left side picture are in their traditional dress and repairing community radio. They are caring their children also. They are very conscious in their work.
The women in the right side picture are like white flowers. They are also repairing Telephone assembly line. The way they sit discloses their dedication to the work.

Question 12.
Observe the following table and answer the given questions.

State	1988	2009
Telangana & A.P.	5,29,000	1,24,700
Gujarat	24,000	3,900
Karnataka	1,03,000	40,500
Maharashtra	80,000	4,500
Madhya Pradesh	43,000	3,600
Punjab	22,000	300
Tamil Nadu	5,56,000	1,55,000

a) What was the change in Andhra Pradesh and Telangana?
Answer:
There was a decline in handloom units.

b) Of all the states, which had more decline?
Answer:
Punjab state.

c) Of all the states, which two states were having more units in 2009?
Answer:
Andhra Pradesh, Telangana and Tamilnadu

d) Where did most of the changes take place either in Northern India or in Southern India?
Answer:
In Northern India.

e) Which units is this table related to?
Answer:
This table is related to handloom units.

Question 13.
Read the following passage and answer the questions.
The steam engine changed many production processes in factories. Later on with a new source of energy such as electricity, factories that we see them today emerged. When a new machine or method of production is created for the first time, it is called an invention. However, practical application of these ideas takes a long time and depends on many factors. These could be improvements to make the technology effective, reducing cost of new techniques, acceptance of a new way or product. Technical developments or technical improvements can be due to completely new types of machinery (X ray machines and power looms), or changes in the types of raw materials used (plastic instead of rubber), or reorganisation of production processes.

a) What happened with the invention of steam engine?
Answer:
The steam engine changed many production processes in factories.

b) Why were the factories emerged?
Answer:
New sources of energy such as electricity etc., emerged the factories.

c) What is called an invention?
Answer:
When a new machine or method of production is created for the first time,it is called an invention.

d) Write the names of any two machines.
Answer:
X-ray machines and powerlooms.

e) What can we use instead of rubber?
Answer:
We can use plastic instead of rubber.