CLASS-9 SOCIAL SCIENCE EXTRA QUESTIONS

  EVENTS CONVENT HIGH SCHOOL

21/12/2021      CLASS- 9   SESSION 2021-22
SUBJECT : social SCIENCE  

CHAPTER-9 
EXTRA QUESTIONS 

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Nazims and The Rise of Hitler Class 9 Extra Questions One word.

Question 1.
The Great Depression was a period of _______ .
Answer:
Economic crisis

Question 2.
What is the German Parliament known as ?
Answer:
The German Parliament is known as the Reichstag.

Question 3.
A camp where people were isolated and detained without due process of law, referred to as _______ .
Answer:
Concentration camp

Question 4.
Which Article of the Weimar Constitution gave the President the powers to impose emergency, suspend civil rights and rule by decree ?
Answer:
Article 48

Question 5.
Who offered the chancellorship to Hitler on 30 January 1933 ?
Answer:
President Hindenburg

Question 6.
People of Weimar Republic lost confidence in the democratic _______ .
Answer:
Parliamentary system

Question 7.
The Nazi Party had become largest party by _______ .
Answer:
1932

Question 8.
The Tripartite Pact was signed between Germany, Japan and _______ .
Answer:
Italy

Question 9.
Nazi propaganda projected _______ .
Answer:
Hitler as a messiah

Question 10.
Nazi youth groups for children below 14 years of age were called _______ .
Answer:
Jungvolk

Drainage Class 9 Extra Questions Extra Questions One word.

Question 1.
The area drained by a single river system is called a _______ .
Answer:
Drainage

Question 2.
The world’s largest drainage basin is of the river _______ .
Answer:
Amazon

Question 3.
The largest delta in the world is _______ .
Answer:
Sunderban delta

Question 4.
An area through which a river and its tributaries flow is called _______ .
Answer:
Basin

Question 5.
What is the total length of the Indus river?
Answer:
The total length of the Indus river is 2900 km.

Question 6.
Which is the largest tributary of the Ganga?
Answer:
Yamuna

Question 7.
Most of the Himalayan rivers are _______ .
Answer:
Perennial

Question 8.
A river along with its tributaries may be called
Answer:
River system

Question 9.
The Brahmaputra rises in _______ .
Answer:
Tibet

Question 10.
Name any one freshwater lake of India.
Answer:
Wular lake.

People as Resource Class 9 Extra Questions One word.

Question 1.
When there is investment made in the form of education, training and medical care, the population becomes _______ .
Answer:
Human capital

Question 2. Greater knowledge with the help of improved technology can rapidly improve the production of land resources. One big example of this in India is _______ .
Answer:
Green Revolution

Question 3.
India’s large population can be used as a great asset, like other resources. It can be treated as a _______ .
Answer:
Human resource

Question 4.
Activities like agriculture, forestry, animal husbandry, fishing, poultry farming and mining are part of _______ .
Answer:
Primary sector

Question 5.
Quarrying and manufacturing is included in the _______ .
Answer:
Secondary sector

Question 6.
What do you mean by ‘death rate’ ?
Answer:
Death rate is the number of people per 1,000 who die during a particular period of time.

Question 7.
The activities that result in the production of goods and services and add value to the national income are called _______ .
Answer:
Economic activities

Question 8.
Economic activities are basically of two types _______ .
Answer:
Market activities and non-market activities

Question 9.
Activities which include production of goods or services, including government service and are performed for pay or profit, are called _______ .
Answer:
Market activities.

Question 10.
Self-consumption is _______ .
Answer:
Non-market activities.

Working of Institutions Class 9 Extra Questions One word.

Question 1.
The President of India is the highest formal authority in the _______ .
Answer:
State

Question 2.
Prime Minister is the one who actually exercises all governmental powers and he is the head of the _______ .
Answer:
Government

Question 3.
Who exercises more powers in money matters?
Answer:
The Lok Sabha

Question 4.
On August 13, 1990, the Government of India issued an office memorandum for 27% reservation for socially and educationally Backward classes in _______ .
Answer:
Civil posts or services under Government of India

Question 5.
An institution where disputes between citizens and the government of India are finally settled, is _______ .
Answer:
The Supreme Court

Question 6.
In India, a national assembly of elected representatives is called _______ .
Answer:
Parliament

Question 7.
An assembly of elected representatives at the state level is called _______ .
Answer:
Legislative Assembly or Legislature

Question 8.
The President of India is a part of the Parliament, although he/she is not a _______ .
Answer:
Member of either House

Question 9.
Our constitution gives the Rajya Sabha some special powers over :
Answer:
The states

Question 10.
In a democratic country like India there are two types of executives. They are _______ .
Answer:
Political Executive and Permanent Executive

Forest society and Colonialism Class 9 Extra Questions Very Short Answer Type Questions

Question 1.
Which new trade was created due to the introduction of new forest laws ?
Answer:
Collecting latex from wild rubber trees.

Question 2.
Name the communities living in Bastar.
Answer:
Maria and Muria Gonds, Dhurwas, Bhatras and Halbas.

Question 3.
Who was Dietrich Brandis ?
Answer:
Dietrich Brandis was a German forest expert, whom the colonial government invited for advice and made him the first Inspector General of forests in India.

Question 4.
The forest management in Java was under the ________ .
Answer:
Dutch

Question 5.
After the Forest Act was enacted in 1865, ________ .
Answer:
It was amended twic

Question 6.
Who were ‘Kalangs’ of Java ?
Answer:
Skilled forest cutters and shifting cultivators

Question 7.
What are wooden planks lay across railway tracks to hold these tracks in a position called ?
Answer:
Sleepers

Question 8.
Why did the government decide to ban shifting cultivation ?
Answer:
Because when a forest was burnt, there was the danger of destroying valuable timber.

Question 9.
Which type of trees were preferred by the forest department ?
Answer:
The trees those are suitable for building ships and railways.

Question 10.
Indian Forest Service was set up in the year ________ .
Answer:
1864

CLASS-9 SUBJECT SCIENCE CHAPTER-11 WORK POWER AND ENERGY

 EVENTS CONVENT HIGH SCHOOL

16/12/2021      CLASS- 9   SESSION 2021-22
SUBJECT :SCIENCE 

CHAPTER-11
WORK POWER AND ENERGY

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Question 1.
When a body falls freely towards the earth, then its total energy
(a) increases
(b) decreases
(c) remains constant
(d) first increases and then decreases

Answer

Answer: (c) remains constant

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Question 2.
A car is accelerated on a levelled road and attains a velocity 4 times of its initial velocity. In this process the potential energy of the car
(a) does not change
(b) becomes twice to that of initial
(c) becomes 4 times that of initial
(d) becomes 16 times that of initial

Answer

Answer: (a) does not change

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Question 3.
In case of negative work the angle between the force and displacement is (NCERT Exemplar)
(a) 0°
(b) 45°
(c) 90°
(d) 180°

Answer

Answer: (d) 180°

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Kinetic Energy Calculator is a handy tool that solves the kinetic energy problems easily & quickly.

Question 4.
An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass is 3.5 kg. Both spheres are dropped simultaneously from a tower. When they are lo m above the ground, they have the same.
(a) acceleration
(b) momenta
(c) potential energy
(d) kinetic energy

Answer

Answer: (a) acceleration

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Question 5.
A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. The work done against the gravitational force will be (g = 10 ms²)
(a) 6 × 10³ J
(b) 6 J
(c) 0.6 J
(d) zero

Answer

Answer: (d) zero

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Question 6.
Which one of the following is not the unit of energy?
(a) joule
(b) newton metre
(c) kilowatt
(d) kilowatt hour

Answer

Answer: (c) kilowatt

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Question 7.
The work done on an object does not depend upon the
(a) displacement
(b) force applied
(c) angle between force and displacement
(d) initial velocity of the object

Answer

Answer: (d) initial velocity of the object

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Question 8.
Water stored in a dam possesses
(a) no energy
(b) electrical energy
(c) kinetic energy
(d) potential energy

Answer

Answer: (d) potential energy

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Question 9.
A body is falling from a height h. After it has fallen a height h2, it will possess
(a) only potential energy
(b) only kinetic energy
(c) half potential and half kinetic energy
(d) more kinetic and less potential energy

Answer

Answer: (c) half potential and half kinetic energy

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Question 10.
The number of joules contained in 1 kWh is
(a) 36 × 105 J
(b) 3.6 × 107 J
(c) 36 × 108 J
(d) 3.7 × 107 J

Answer

Answer: (a) 36 × 105 J

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Fill in the blanks

1. Work done is product of ………….. and distance moved the direction of the force.

Answer

Answer: force

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2. If the angle between force and displacement is …………. then work done is said to be zero.

Answer

Answer: 90°

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3. Energy of a body is defined as the capacity or …………. to do work.

Answer

Answer: ability

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4. Mechanical energy includes ………….. and ……………

Answer

Answer: kinetic energy, potential energy

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5. Energy can neither be ………….. nor ………….. it can only transformed from one form to another.

Answer

Answer: created, destroyed

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6. ………….. is defined as the rate of doing work.

Answer

Answer: Power

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7. Commercial unit of energy is ………………

Answer

Answer: kilowatt hour

Page 149
Q1. When do we say that work is done?
Work is said to be done when a force causes displacement of an object in the direction of applied force.
Q2. Write an expression for the work done when a force is acting on an object in the direction of its displacement.
Work done = Force x Displacement
Q3. Define 1J of work.
When a force of IN causes a displacement of 1m, in its own direction the work done is said to be one joule.
Q4. A pair of bullocks exerts a force of 140 N on a plough. The field being ploughed is 15 m long. How much work is done in ploughing the length of the field?
Work done = Force x Displacement = 140 x 15 = 2,100 J

Page 156

Q1. What is power?
Power is defined as the rate of doing work
Q2. Define 1 watt of power.
When a work of 1 joule is done in 1 s, the power is said to be one watt.
Q3. A lamp consumes 1000 J of electrical energy in 10 s. What is its power?
Given W = 1000J, t = 10s, P =?
We know, P = W/t = 1000/10 = 100W
Q4. Define average power.
When a machine or person does different amounts of work or uses energy in different intervals of time, the ratio between the total work or energy consumed to the total time is average power.

Q5. A mass of 10 kg is at a point A on a table. It is moved to a point B. If the line joining A and B is horizontal, what is the work done on the object by the gravitational force? Explain your answer.
The work done is zero. This is because the gravitational force and displacement are perpendicular to each other.

Q6. The potential energy of a freely falling object decreases progressively. Does this violate the law of conservation of energy? Why?
It does not violate the law Of conservation of energy. Whatever, is the decrease in PE due to loss of height, same is the increase in the KE due to increase in velocity of the body.

Q7. What are the various energy transformations that occur when you are riding a bicycle?
The chemical energy of the food changes into heat and then to muscular energy. On paddling, the muscular energy changes into mechanical energy

Q8. Does the transfer of energy take place when you push a huge rock with all your might and fail to move it? Where is the energy you spend going?
Energy transfer does not take place as no displacement takes place in the direction of applied force. The energy spent is used to overcome inertia of rest of the rock.

Match the following columns

Column A	Column B
(a) SI unit of power	(i) 1/2 mv2
(b) Kinetic energy	(ii) The change of one form of energy into another
(c) Potential energy	(iii) watt
(d) SI unit of work	(iv) If applied force on an object and displacement is in opposite direction.
(e) Negative work	(v) Energy possessed by a body due to its position or configuration.
(f) Power	(vi) Joule
(g) Expression of kinetic energy	(vii) Energy possessed by a body due to its motion.
(h) Transformation of energy	(viii) Rate of doing work

Answer

Column A	Column B
(a) SI unit of power	(iii) watt
(b) Kinetic energy	(vii) Energy possessed by a body due to its motion.
(c) Potential energy	(v) Energy possessed by a body due to its position or configuration.
(d) SI unit of work	(vi) Joule
(e) Negative work	(iv) If applied force on an object and displacement is in opposite direction.
(f) Power	(viii) Rate of doing work
(g) Expression of kinetic energy	(i) 1/2 mv2
(h) Transformation of energy	(ii) The change of one form of energy into another

CLASS-8 HINDI CHAPTER-17 बाज और साँप

  EVENTS CONVENT HIGH SCHOOL

10/12/2021      CLASS- 8   SESSION 2021-22
SUBJECT :HINDI 

CHAPTER-17
 बाज और साँप  

______________________________________

प्रश्न-अभ्यास

Question 1.
घायल होने के बाद भी बाज ने यह क्यों कहा, ”मुझे कोई शिकायत नहीं है।” विचार प्रकट कीजिए।
Solution:
घायल होने के बाद भी बाज ने यह कहा कि – “मुझे कोई शिकायत नहीं है।” उसने ऐसा इसलिए कहा क्योंकि वह किसी भी कीमत पर समझौतावादी जीवन शैली पसंद नहीं करता था। वह अपने अधिकारों के लिए लड़ने में विश्वास रखता था। उसने अपनी ज़िंदगी को भरपूर भोगा। वह असीम आकाश में जी भरकर उड़ान भर चुका था। जब तक उसके शरीर में ताकत रही तब तक ऐसा कोई सुख नहीं बचा जिसे उसने न भोगा हो। वह अपने जीवन से पूर्णतः संतुष्ट था।

Question 2.
बाज ज़िंदगी भर आकाश में ही उड़ता रहा फिर घायल होने के बाद भी वह उड़ना क्यों चाहता था?
Solution:
बाज ज़िंदगी भर आकाश में उड़ता रहा, उसने आकाश की असीम ऊँचाइयों को अपने पंखों से नापा। बाज साहसी था। वह किसी भी कीमत पर समझौतावादी जीवन शैली पसंद नहीं करता था। अतः कायर की मौत नहीं मरना चाहता था। वह अंतिम क्षण तक जीवन की आवश्यकताओं के लिए संघर्ष करना चाहता था।

Question 3.
साँप उड़ने की इच्छा को मूर्खतापूर्ण मानता था। फिर उसने उड़ने की कोशिश क्यों की?
Solution:
साँप उड़ने की इच्छा को मूर्खतापूर्ण मानता था क्योंकि वह मानता था कि वह उड़ने में सक्षम नहीं है। पर जब उसने बाज के मन में आकाश में उड़ने के लिए तड़प देखी तब साँप के मन में भी उत्सुकता जागी कि आकाश का मुक्त जीवन कैसा होता है ? इस रहस्य का पता लगाना ही चाहिए। तब उसने भी आकाश में एक बार उड़ने की कोशिश करने का निश्चय किया।

Question 4.
बाज के लिए लहरों ने गीत क्यों गाया था?
Solution:
बाज की बहादुरी पर प्रसन्न होकर लहरों ने गीत गाया था। उसने अपने प्राण गँवा दिए परन्तु ज़िंदगी के खतरे का सामना करने से पीछे नहीं हटा।

Question 5.
घायल बाज को देखकर साँप खुश क्यों हुआ होगा?
Solution:
साँप का शत्रु बाज है चूँकि वो उसका आहार होता है। घायल बाज उसे किसी प्रकार का आघात नहीं पहुँचा सकता था इसलिए घायल बाज को देखकर साँप के लिए खुश होना स्वाभाविक था।

Question 6.
कहानी में से वे पंक्तियाँ चुनकर लिखिए जिनसे स्वतंत्रता की प्रेरणा मिलती हो।
Solution:
कहानी की स्वतंत्रता से संबंधित पंक्तियाँ –

1. जब तक शरीर में ताकत रही, कोई सुख ऐसा नहीं बचा जिसे न भोगा हो। दूर-दूर तक उडानें भरी हैं, आकाश की असीम ऊँचाइयों को अपने पंखों से नाप आया हूँ।
2. “आह! काश, मैं सिर्फ एक बार आकाश में उड पाता।”
3. पर वह समय दूर नहीं है, जब तुम्हारे खून की एक-एक बूँद जिंदगी के अँधेरे में प्रकाश फैलाएगी और साहसी, बहादुर दिलों में स्वतंत्रता और प्रकाश के लिए प्रेम पैदा करेगी।

Question 7.
मानव ने भी हमेशा पक्षियों की तरह उड़ने की इच्छा की है। आज मनुष्य उड़ने की इच्छा किन साधनों से पूरी करता है।
Solution:
मानव ने आदिकाल से ही पक्षियों की तरह उड़ने की इच्छा मन में रखी है। किन्तु शारीरिक असमर्थता की वजह से उड़ नहीं पा रहा था जिसका परिणाम यह हुआ कि मनुष्य हवाई जहाज का आविष्कार कर दिखाया। आज मनुष्य अपने उड़ने की इच्छा की पूर्ति हवाई जहाज, हेलीकॉप्टर, गैस-बैलून आदि से करता है।

CLASS-9 SUBJECT-SCIENCE CHAPTER-9 FORCE AND LAWS OF MOTION

 EVENTS CONVENT HIGH SCHOOL

10/12/2021      CLASS- 9   SESSION 2021-22
SUBJECT :SCIENCE 

CHAPTER-9
FORCE AND LAWS OF MOTION

______________________________________

In-Text Questions Solved

 Page 118
Question 1. Which of the following has more inertia:
(a) a rubber ball and a stone of the same size?
(b) a bicycle and a train?
(c) a five-rupees coin and a one-rupee coin?
Answer:
(a) A stone of the same size
(b) a train
(c) a five-rupees coin
As the mass of an object is a measure of its inertia, objects with more mass have more inertia.

Question 2. In the following example, try to identify the number of times the velocity of the ball changes.
“A football player kicks a football to another player of his team who kicks the football towards the goal The goalkeeper of the opposite team collects the football and kicks it towards a player of his own team”.
Also identify the agent supplying the force in each case.
Answer:

The velocity of football changed four times.

Question 3. Explain why some of the leaves may get detached from a tree if we vigorously shake its branch.
Answer: When the tree’s branch is shaken vigorously the branch attain motion but the leaves stay at rest. Due to the inertia of rest, the leaves tend to remain in its position and hence detaches from the tree to fall down.

Question 4. Why do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when it accelerates from rest?
Answer: When a moving bus brakes-to a stop: When the bus is moving, our body is also in motion, but due to sudden brakes, the lower part of our body comes to rest as soon as the bus stops. But the upper part of our body continues to be in motion and hence we fall in forward direction due to inertia of motion.
When the bus accelerates from rest we fall backwards: When the bus’ is stationary our body is at rest but when the bus accelerates, the lower part of our body being in contact with the floor of the bus comes in motion, but the upper part of our body remains at rest due to inertia of rest. Hence we fall in backward direction.

Page 126-127
Question 1. If action is always equal to the reaction, explain how a horse can pud a cart?
Answer: The third law of motion states that action is always equal to the reaction but they act on two different bodies.
In this case the horse exerts a force on the ground with its feet while walking, the ground exerts an equal and opposite force on the feet of the horse, which enables the horse to move forward and the cart is pulled by the horse.

Question 2. Explain, why is it difficult for a fireman to hold a hose, which ejects a large amount of water at a high velocity.
Answer: The water that is ejected out from the hose in the forward direction comes out with a large momentum and equal amount of momentum is developed in the hose in the opposite direction and hence the hose is pushed backward. It becomes difficult for a fireman to hold a hose which experiences this large momentum.

Class-9 Subejct Social Science History Chapter-9 FOREST SOCIETY AND COLONALISM

  EVENTS CONVENT HIGH SCHOOL

10/12/2021      CLASS- 9   SESSION 2021-22
SUBJECT : SOCIAL SCIENCE  

CHAPTER-4
FOREST SOCIETY AND COLONALISM

______________________________________

Question-1

Discuss how the changes in forest management in the colonial period affected the following groups of people:
(a) Shifting cultivators
(b) Nomadic and pastoralist communities
(c) Firms trading in timber/forest produce
(d) Plantation owners
(e) Kings/British officials engaged in a shikar.
Solution:
(a) Shifting Cultivators
Shifting cultivation was a traditional agricultural practice in many parts of Asia, Africa, and South America. Parts of the forest are cut and burnt in rotation. After the first monsoon rains, seeds are sown in the ashes, and crops are cultivated. Cultivation is continued for a couple of years. Then the forest is allowed to grow in the area for 12 to 18 years. Then they are cut and burnt once more. This rotation is called Shifting cultivation.

The Colonial government banned Shifting cultivation, as European foresters felt that this would harm the forests and valuable timber would be lost. The Government also found it difficult to calculate taxes when Shifting cultivation was practiced.
The ban displaced many Shifting cultivators. Many of them had to change their occupation. A few Shifting cultivators agitated against the ban.

(b) Nomadic and Pastoralist Communities
Nomadic and pastoralist communities moved about in the mountains and deserts and in the plains and plateaus of India and Africa. The pastoralist communities formed an important part of the population in both countries during the Colonial era. When the Colonial government established control over the forests it affected the pastoralist communities in a big way.
The pastoralist communities always moved from place to place with their cattle. When forests were destroyed by the government to expand agriculture, the Nomads lost grazing fields for their cattle. This brought a lot of hardship to the pastoralist communities.

(c) Firms Trading in Timber/Forest Produce
Large expanses of forests were cut for timber and forest produce. The Colonial Government was worried about this reckless felling of trees. It passed the Indian Forest Act in 1865. This Act was amended in the year 1878. Under this amendment the forests were divided into 3 categories, – reserved, protected and village forests. Villagers and local firms trading in timber and forest produce could not take anything from the reserved or protected forests which had the best trees. This affected the traders immensely.

(d) Plantation Owners
Vast areas of forests were given to European Planters, at a very cheap rate by the Colonial government. Natural forests were cleared to cultivate tea coffee and rubber trees. There was a great demand for these commodities in Europe. These plantations were fenced off and others were not allowed inside.

(e) Kings/British Officials engaged in Shikar
Forest laws banned hunting of deer, partridges, and small animals. People who lived near the forests were deprived of their livelihood and food because of this ban. Contrary to this ban hunting of big animals like the tiger, leopard and wolves became a sport for the kings and the British. The British felt that by killing dangerous animals they could civilize India. The indiscriminate hunting by the British and the Kings almost made certain species of animals extinct.

Question-2
What are the similarities between the colonial management of the forests in Bastar and in Java?
Solution:
The similarities between the colonial management of forests in Bastar and in Java are as follows.
Colonial management in Bastar:

1. In 1905, the colonial government proposed to reserve 2/3 of the forests, stop shifting cultivation, hunting and collection of forest produce.
2. The villagers were suffering from increased rents and demand for free labour and goods by colonial officials.
3. In the reserved forests, the villagers could stay in the forests and had to work free for the forest department and help them in cutting and transporting trees and protecting them from forest fires. They were called forest villages.

Colonial management in Java:

1. In Java, villagers were punished for grazing cattle, transporting goods without permit or travelling on forest roads.
2. The Dutch needed labour to cut trees, transport logs and prepare sleepers. They introduced the blcmdongdiensten system. According to this system, they first introduced rents on land being cultivated in the forest and then some villages were exempted from paying rent, if they worked collectively to provide free labour and buffaloes for cutting and transporting timber. It was similar to ‘forest villages’.

Class-6 Subject English Grammer Essay Population problem

EVENTS CONVENT HIGH SCHOOL

 *Essay- Population Problem*

*Class-6

Introduction – Population is a big problem of world and the India. In India Population become a serious problem.Every day increasing India population. Mainly due to lack of awareness among the people of India.

Population in India – Land for People to live availability of the cities is declining the population of cities is increasing due to which the environment is also being polluted.

The population in India is increasing as if a typhoon has occurred and it has become a serious problem of India. Apart from this the government has already no more good measures was taken for population control in India.

Pattern growth of Population – India Pattern of population growth it is growing faster in the India ruler areas resulting in not only bigger landless families forcing migration ot towns increasing the numbers of slums but also dividing land holding into unvisible entities.Both these result in lowering the already low standards of living healthcare and Education.

Causes of Population Explosion – The causes of population explosion many factor and the reasons. Increasing the birth rate of India in the ruler areas. India high level of illiteracy and the biggest problem of the family planing.

Conclusion- Rulers areas are the main roll of Population. Rulers areas unemployment and he illiteracy Poverty are the big reson of population problem doe to large population there a large number of people who belong to poverty in the India.