All questions of June Week 4 for Class 6 Exam

Archaeologists study the past by digging up remains that people, plants, and animals left behind, such as tools, pots, bones, and other artifacts. An interesting fact is that these remains help archaeologists reconstruct ancient lifestyles, cultures, and environments, providing valuable insights into human history.

Geologists study the physical features of the Earth, such as soil, stones, hills, mountains, rivers, seas, and oceans. They help us understand the Earth's structure and the processes that have shaped it over time. An interesting fact is that geologists also study natural hazards like earthquakes and volcanoes to help predict and mitigate their impacts.

Cottage cheese (paneer) is an animal-based protein, whereas the other options are plant-based sources of protein.

Milk contains protein, calcium, and some vitamin D but lacks vitamin C, which is found in fruits like oranges.

Nutrient Crucial for Vitamin Absorption
Vitamins are essential nutrients that our bodies need to function properly. Among the various nutrients, fats play a significant role in the absorption of certain vitamins.
Types of Vitamins
- Fat-Soluble Vitamins: These include Vitamins A, D, E, and K.
- Water-Soluble Vitamins: These include Vitamin C and all B vitamins.
The Role of Fats
- Facilitating Absorption: Fat-soluble vitamins cannot be absorbed efficiently without dietary fats. When you consume these vitamins with a source of fat, they dissolve in the fat, making it easier for your body to absorb them through the intestinal walls.
- Digestive Process: The presence of fats triggers the release of bile from the liver, which emulsifies the fats and helps in the absorption process. Without fats, these vitamins can pass through the digestive system without being utilized.
Importance of Including Fats in Diet
- Healthy Fats: Incorporating healthy fats such as avocados, nuts, seeds, and olive oil into your diet is crucial. These not only aid in vitamin absorption but also provide additional health benefits.
- Balanced Diet: A balanced diet that includes an appropriate amount of fats is essential for optimal health and ensuring that the body can absorb and utilize vitamins effectively.
In summary, fats are the key nutrient that enables the absorption of fat-soluble vitamins, making them vital for maintaining good health.

A century is a period of 100 years. An interesting fact is that we are currently in the 21st century CE, which began in the year 2001 and will end in the year 2100. This term helps historians categorize and study historical events and changes over significant time periods.

Silbattas (traditional grinding stones) are an old method of food preparation, unlike modern appliances like microwaves and grinders.

Understanding Timelines
Timelines are powerful tools that help us visualize and understand the chronological order of events in history.
What is a Timeline?
A timeline is a graphical representation that arranges events in chronological order, often marked along a linear scale. This makes it easy to see how events relate to one another over time.
Purpose of a Timeline
- Understanding Sequence: Timelines are primarily used to illustrate the sequence of historical events. They allow us to see when events occurred and how they influenced each other.
- Visualizing History: By placing events on a timeline, we can easily compare different periods, recognize patterns, and understand cause-and-effect relationships.
- Contextual Framework: Timelines provide context for historical events, helping us grasp the broader narrative of human history. For example, knowing that the signing of the Declaration of Independence occurred in 1776 helps us understand its significance in relation to other events.
Examples of Timelines
- World History Timelines: These may include major wars, discoveries, and revolutions, showing how they interconnect over time.
- Personal Timelines: Individuals can create timelines to track their own life events, such as birthdays, graduations, or significant achievements.
Conclusion
In summary, timelines are invaluable for understanding the sequence of historical events, as they provide clarity and context, enabling us to comprehend the progression of history more effectively.

The current era in the Gregorian calendar is commonly referred to as the Common Era (CE). This designation is used to count the years from the conventional date of Jesus Christ’s birth. An interesting fact is that this era is used alongside other calendar systems, like the Hindu, Muslim, Jewish, and Chinese calendars, to mark important events and festivals.

Wheat (carbohydrate) and ghee (fat) are energy-giving foods, as they provide the body with fuel to function.

Historians use multiple sources of information to reconstruct the past, such as documents, artifacts, oral histories, and scientific studies. An interesting fact is that these sources often provide complementary or contradictory information, and historians must carefully evaluate and cross-check them to create an accurate picture of historical events.

Overview of the Gregorian Calendar
The Gregorian calendar is the most widely used civil calendar around the world today. It was introduced by Pope Gregory XIII in 1582 as a reform of the Julian calendar.
Key Features of the Gregorian Calendar
- Structure: The Gregorian calendar consists of 12 months, totaling 365 days in a common year and 366 days in a leap year.
- Leap Year System: A leap year occurs every four years, except for years divisible by 100 but not divisible by 400. This adjustment keeps the calendar year synchronized with the astronomical year.
- Months: The months are named as follows: January, February, March, April, May, June, July, August, September, October, November, and December.
Global Adoption
- International Standard: The Gregorian calendar has become the de facto international standard for civil use, facilitating global communication, trade, and travel.
- Widespread Acceptance: Most countries have adopted it for official purposes, although some cultures still observe their traditional calendars for religious and cultural events.
Comparison with Other Calendars
- Hindu Calendar: Primarily used in India for religious and cultural purposes, but not for civil use.
- Muslim Calendar: A lunar calendar used predominantly for Islamic religious observances; not suitable for civil purposes due to its shorter year.
- Jewish Calendar: A lunisolar calendar used mainly for religious purposes within the Jewish community.
Conclusion
The Gregorian calendar’s structure, leap year system, and global acceptance make it the most practical choice for civil use, solidifying its status as the world's predominant calendar.

- Tamil Nadu is located in the southern part of India, known for its rich cultural heritage and diverse cuisine.
- Dosa is a thin, crispy pancake made from fermented rice and lentil batter, often served with chutneys and sambar.
- Idli is a soft, steamed cake made from the same batter, typically enjoyed for breakfast.
- These dishes are staples in Tamil Nadu and are also popular in other South Indian states, reflecting the region's culinary traditions.

Anthropologists study human societies and cultures from the oldest times to the present. They explore various aspects of human life, including social structures, cultural practices, and evolutionary history. An interesting fact is that anthropology often involves fieldwork, where anthropologists live among the communities they study to gain a deeper understanding of their way of life.

Palaeontologists contribute to our understanding of history by studying the remains of plants, animals, and humans from millions of years ago in the form of fossils. An interesting fact is that fossils provide crucial evidence about life forms that existed long before humans and help us understand the evolution and extinction of different species.

Understanding Vada Pav
Vada Pav is a popular street food that originates from the vibrant state of Maharashtra, India. It is often referred to as the "Indian burger" and is loved by many for its unique flavors and easy preparation.
Key Ingredients
- Vada: This is a spicy potato filling, seasoned with various spices, and then coated in a chickpea flour batter before being deep-fried.
- Pav: This is a soft bread roll that serves as the bun for the vada.
- Chutneys: Vada Pav is typically served with green chutney (made from coriander and green chilies) and tamarind chutney, adding a burst of flavor.
Popularity and Cultural Significance
- Street Food Culture: Vada Pav is an essential part of Mumbai's street food scene, available at numerous stalls and eateries across the city.
- Affordable and Filling: It is not only delicious but also affordable, making it a favorite among students and working professionals.
- Iconic Representation: As a symbol of Mumbai's culinary diversity, Vada Pav represents the city’s bustling lifestyle and is often enjoyed on the go.
Conclusion
Maharashtra, particularly Mumbai, is the heart of Vada Pav culture. Its simple ingredients and delightful taste make it a cherished snack across India and beyond. Whether you are in a bustling market or a quiet corner of the city, indulging in a Vada Pav is a must for anyone seeking to experience authentic Indian street food.

Understanding Deficiency Diseases
Deficiency diseases occur when the body lacks essential nutrients necessary for maintaining health. Let's break down the statements to understand why option 'C' (ii and iv) is the correct answer.
Statement Analysis
- (i) They are caused by germs.
This statement refers to infectious diseases, not deficiency diseases. Infectious diseases are caused by pathogens like bacteria and viruses.
- (ii) They are caused due to a lack of nutrients in our diet.
This statement accurately describes deficiency diseases. Conditions like scurvy (vitamin C deficiency) and rickets (vitamin D deficiency) arise from insufficient nutrients.
- (iii) They can be passed on to another person through contact.
This statement applies to infectious diseases, not deficiency diseases. Deficiency diseases are not contagious.
- (iv) They can be prevented by taking a balanced diet.
This statement is also correct for deficiency diseases. A balanced diet provides all necessary nutrients, preventing these diseases.
Conclusion
In summary, deficiency diseases are specifically linked to a lack of nutrients (statement ii) and can be prevented through a balanced diet (statement iv). Thus, the pair of statements that best describes a deficiency disease is option 'C' (ii and iv).
Understanding these distinctions helps us appreciate the importance of nutrition in maintaining good health!

Millets are nutritious grains that are easy to grow in dry regions and provide essential nutrients like fiber and protein.

Milk does not contain fiber; dietary fiber is mainly found in plant-based foods like grains, pulses, and vegetables.

Iodine solution turns blue-black when starch is present, making it a common test for detecting starch in food.

A millennium is a period of 1,000 years. An interesting fact is that we are currently in the 3rd millennium CE, which began in the year 2001 and will continue until the year 3000. This term helps us understand and categorize long durations of time in history.

"Food miles" indicate the distance food travels from production to consumption, affecting its freshness and environmental impact.

- Brown rice is a whole grain, meaning it contains all parts of the grain, including the bran, germ, and endosperm.
- The bran and germ are rich in dietary fiber, which is essential for healthy digestion.
- Dietary fiber helps regulate bowel movements, lowers cholesterol levels, and can aid in weight management.
- In contrast, milk, butter, and chicken contain minimal to no dietary fiber, making brown rice the clear choice for fiber intake.