All Exams  >   Class 3  >   Social Science for Class 3  >   All Questions

All questions of Our Ancestors for Class 3 Exam

What was the first use of the wheel?
  • a)
    To transport goods
  • b)
    To travel long distances
  • c)
    To build houses
  • d)
    To cook food
Correct answer is option 'A'. Can you explain this answer?

The first use of the wheel was for transporting goods. The invention of the wheel is considered one of the most significant inventions in human history. The wheel revolutionized transportation and had a profound impact on the development of civilizations.

Here is a detailed explanation of why the first use of the wheel was for transporting goods:

Advantages of the Wheel:
1. Efficient Movement: The wheel allows for easier movement of heavy objects compared to dragging or carrying them. By placing the object on a wheeled platform, it reduces the friction and effort required to move it.

2. Increased Speed: With the wheel, people could transport goods at a faster pace. This was particularly useful for long-distance travel and trade.

3. Weight Distribution: The wheel distributes the weight of the load evenly, making it easier to balance and maneuver the goods.

Early Wheel Inventions:
1. Solid Wheels: The earliest wheels were solid and made from materials such as wood or stone. These wheels were attached to an axle, which allowed them to rotate freely.

2. Simple Vehicles: People initially used the wheel by attaching it to a simple vehicle, such as a cart or sled. This enabled them to transport goods more efficiently than before.

3. Domestication of Animals: The invention of the wheel coincided with the domestication of animals like horses and oxen. These animals were harnessed to the wheeled vehicles, further enhancing transportation capabilities.

Impact on Civilization:
1. Trade and Commerce: The wheel revolutionized trade and commerce by enabling the transportation of goods over long distances. It facilitated the exchange of goods between different regions and contributed to the growth of economies.

2. Infrastructure Development: The need for smoother transportation led to the construction of roads and pathways. This infrastructure development created better connectivity between communities and facilitated the movement of goods.

3. Cultural Exchange: The wheel played a crucial role in cultural exchange as it allowed people to travel and interact with others from different regions. This exchange of ideas, technologies, and goods helped shape the development of civilizations.

In conclusion, the first use of the wheel was for transporting goods. Its invention revolutionized transportation, increased speed, and facilitated trade and commerce. The wheel played a significant role in the development of civilizations and continues to be an essential part of modern transportation systems.

How did early humans use fire?
  • a)
    To keep themselves cool
  • b)
    To light up their homes
  • c)
    To cook food
  • d)
    To hunt animals
Correct answer is option 'C'. Can you explain this answer?

Dhruv Shah answered
Early humans used fire primarily for cooking food. Fire provided several advantages that helped early humans survive and thrive.

Fire for cooking:
- Fire allowed early humans to cook their food, which improved its taste, made it easier to chew and digest, and killed harmful bacteria and parasites. This had significant implications for their health and nutrition. Cooked food provided more calories and nutrients, which helped early humans grow and develop properly.
- Cooking also made certain foods, such as tubers and tough meats, more palatable and easier to eat. This allowed early humans to consume a wider variety of foods, which increased their chances of obtaining all the necessary nutrients from their diet.
- Additionally, cooking food helped break down certain toxins and anti-nutrients found in plants, making them safer to consume.

Other uses of fire:
While cooking was the primary use of fire, early humans also found other ways to benefit from it:
- Light: Fire provided early humans with light, allowing them to extend their activities beyond daylight hours. They could gather, socialize, and work in the evenings, which increased their productivity and safety.
- Protection: Fire provided warmth and protection from predators. Early humans could gather around the fire at night, which deterred dangerous animals and served as a form of defense.
- Tool-making: Fire allowed early humans to manipulate materials more effectively. By heating rocks, they could shape them into tools, such as arrowheads or blades, by flaking off pieces or melting them together.
- Signaling: Fire could be used as a signal to communicate with other groups of humans, potentially for trade, cooperation, or warning of danger.

In conclusion, while early humans used fire for various purposes, such as providing light, warmth, and signaling, its most significant use was for cooking food. The ability to cook food had profound impacts on early human development, nutrition, and overall survival.

What was the first weapon made by early humans?
  • a)
    A gun
  • b)
    A spear
  • c)
    A club
  • d)
    A bow and arrow
Correct answer is option 'C'. Can you explain this answer?

Sparsh Chavan answered
The First Weapon Made by Early Humans: A Club

Early humans, also known as hominids, lived during the Stone Age, a period marked by the use of stone tools and the development of early weapons. Among the various weapons that early humans created, the first weapon ever made was a club.

1. Significance of the Club
- The club was a significant invention as it allowed early humans to defend themselves, hunt for food, and establish dominance over other animals.
- It was a simple, yet effective weapon, providing an advantage in survival and ensuring the safety of individuals and communities.

2. Construction and Materials
- Early humans crafted clubs using materials readily available in their environment, such as wood, bone, and stone.
- Wooden clubs were most commonly used, as they were lightweight and easily shaped and modified.
- The clubs were typically made from hardwood trees, which provided strength and durability.

3. Design and Functionality
- Clubs were designed with a handle and a heavier end, which could be used to strike or bludgeon targets, such as prey or enemies.
- The weight at the end of the club increased the force of impact, making it an effective tool for hunting and defense.

4. Evolution of Weapons
- The invention of the club marked the beginning of human weapon development, with subsequent advancements leading to more complex weapons.
- Over time, early humans began to experiment with different materials, such as stone, to create sharper and more specialized weapons like spears and arrowheads.
- These advancements in weaponry allowed for greater precision, range, and lethality in hunting and warfare.

Conclusion
The club was the first weapon made by early humans. Its invention provided them with a means of defense, hunting, and survival. The simplicity and effectiveness of the club laid the foundation for the development of more advanced weapons, ultimately shaping the course of human history.

How did early humans use tools?
  • a)
    To build houses
  • b)
    To create art
  • c)
    To hunt animals
  • d)
    All of the above
Correct answer is option 'C'. Can you explain this answer?

Early humans used tools to hunt animals and to dig out plants. They used simple stones with sharp edges, and later, they made sharper weapons which were shaped like hammers, choppers, and axe heads.

What did early humans eat?
  • a)
    Cooked food
  • b)
    Fruits, roots, soft stems, and the flesh of wild animals
  • c)
    Only fruits
  • d)
    None of the above
Correct answer is option 'B'. Can you explain this answer?

Rahul Desai answered
Early humans lived in forests and caves and did not know how to cook food. They had to eat whatever was available in the jungle, such as raw fruits, roots, soft stems, and the flesh of wild animals.

Why did early humans invent the wheel?
  • a)
    To cook food
  • b)
    To hunt animals
  • c)
    To carry heavy loads
  • d)
    To make fire
Correct answer is option 'C'. Can you explain this answer?

Amit Khanna answered
Early humans had to carry heavy loads of wood and animals that they hunted back to their cave. Later, they discovered that logs could be cut into circular discs. Changes were made to these discs which led to the invention of the present day wheel.

How did early humans make fire?
  • a)
    By rubbing stones
  • b)
    By using matches
  • c)
    By using a lighter
  • d)
    By using a stove
Correct answer is option 'A'. Can you explain this answer?

Naina Sharma answered
Early humans learnt to make fire by rubbing stones. They used fire to cook food, keep themselves warm, and to keep wild animals away.

What tools did Early Man use to hunt animals and dig out plants?
  • a)
    Complex machines
  • b)
    Simple stones with sharp edges
  • c)
    Electronic devices
  • d)
    None of the above
Correct answer is option 'B'. Can you explain this answer?

Rahul Verma answered
Early Man felt the need for some tools to hunt animals and dig out plants. He used simple stones with sharp edges to hunt animals. Later, he started shaping them to suit his purpose.

Chapter doubts & questions for Our Ancestors - Social Science for Class 3 2026 is part of Class 3 exam preparation. The chapters have been prepared according to the Class 3 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Class 3 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.

Chapter doubts & questions of Our Ancestors - Social Science for Class 3 in English & Hindi are available as part of Class 3 exam. Download more important topics, notes, lectures and mock test series for Class 3 Exam by signing up for free.

Top Courses Class 3