Life without inventions and discoveries would be unimaginably hard and primitive. We wouldn’t have electricity, clean water systems, transportation, the internet, or medical advancements. Simple tasks would be time-consuming, communication would be slow, and many diseases would remain untreatable. HRead more
Life without inventions and discoveries would be unimaginably hard and primitive. We wouldn’t have electricity, clean water systems, transportation, the internet, or medical advancements. Simple tasks would be time-consuming, communication would be slow, and many diseases would remain untreatable. Human lives would be shorter and less comfortable. Innovation has driven progress in every field—from science to education—and without it, society would remain stagnant, lacking the tools and knowledge to solve problems or improve quality of life.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 1 My Brother’s Great Invention
The vocation I admire most is that of a scientist. Scientists are curious minds who discover and invent amazing things for society. They require strong academic training, research labs, and advanced equipment. They often work in teams and face challenges bravely. Their work demands dedication, patieRead more
The vocation I admire most is that of a scientist. Scientists are curious minds who discover and invent amazing things for society. They require strong academic training, research labs, and advanced equipment. They often work in teams and face challenges bravely. Their work demands dedication, patience, and innovation. I like this field because it combines learning and creativity. I wish to become a scientist and contribute to new inventions with pride and responsibility.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 1 My Brother’s Great Invention
Creativity is the ability to think differently, which often leads to great inventions. For example, Sushruta used creative ideas in ancient times to develop surgical techniques. Dr. A.P.J. Abdul Kalam combined science and imagination to launch India’s first satellite. Dr. Narinder Singh Kapany creatRead more
Creativity is the ability to think differently, which often leads to great inventions. For example, Sushruta used creative ideas in ancient times to develop surgical techniques. Dr. A.P.J. Abdul Kalam combined science and imagination to launch India’s first satellite. Dr. Narinder Singh Kapany creatively developed fibre optics. Such inventions happen because of a creative mind that dares to think beyond limits and transform dreams into useful realities, benefiting the whole world.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 1 My Brother’s Great Invention
(a) Sushruta – Sushruta, known as the ‘Father of Surgery,’ lived in the 6th century B.C. He wrote the ancient text Sushruta Samhita, which described over 300 surgical procedures and 120 surgical instruments. His work laid the foundation for modern surgical techniques. He was the first to perform plaRead more
(a) Sushruta –
Sushruta, known as the ‘Father of Surgery,’ lived in the 6th century B.C. He wrote the ancient text Sushruta Samhita, which described over 300 surgical procedures and 120 surgical instruments. His work laid the foundation for modern surgical techniques. He was the first to perform plastic surgery, cataract operations, and even complex bone surgeries. Sushruta also emphasized hygiene, patient care, and diet, which are core principles in medicine today. His contributions proved that ancient India was scientifically advanced. His teachings were used for centuries in Ayurvedic medicine. Even today, the global medical community acknowledges his achievements. Sushruta’s work reflects the spirit of Indian innovation in medical science.
(b) Dr. Janaki Ammal –
Dr. Janaki Ammal was one of India’s first women scientists and a pioneer in cytogenetics and botany. She made vital contributions to plant breeding and genetics. Her research on sugarcane helped in developing sweeter and stronger varieties, which was important for India’s agriculture. She also worked on the chromosomal studies of many plants. Janaki Ammal was awarded the Padma Shri in 1977. She promoted biodiversity and conservation, especially of medicinal plants. She worked with international institutions like the Royal Horticultural Society in London. Her passion for science and dedication to research made her a role model for many women scientists. Her legacy continues in the fields of genetics and environmental science.
(c) Dr. A.P.J. Abdul Kalam –
Dr. A.P.J. Abdul Kalam, known as the ‘Missile Man of India,’ played a key role in India’s space and defence research. Under his leadership, India launched its first satellite vehicle SLV-III, placing Rohini into orbit in 1980. He worked with DRDO and ISRO to develop satellite launch and missile technologies. He later became the 11th President of India and inspired youth through his speeches and books. A visionary scientist, Dr. Kalam combined science with national service. He was awarded the Bharat Ratna for his achievements. He believed that dreams, when pursued with determination, lead to great inventions. His life remains a source of inspiration for young innovators and future scientists across India.
(d) Dr. Narinder Singh Kapany –
Dr. Narinder Singh Kapany is known as the Father of Fibre Optics. His invention revolutionized telecommunications and medical imaging. Fibre optics uses light to transmit data quickly and clearly, and is used in internet, cable TV, and endoscopy. Born in India, Dr. Kapany pursued studies in optics and later moved to the U.S., where he conducted groundbreaking experiments in light transmission. He founded several companies and published research papers and books. Time magazine named him one of the “Unsung Heroes of the 20th Century.” He also promoted Indian art and culture through philanthropy. Dr. Kapany’s creative and scientific work has transformed how we connect and communicate in the modern digital age.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 1 My Brother’s Great Invention
The riddle’s answer is a river. Though it has a “bed,” it doesn’t sleep, and it has “banks” without money. A river flows continuously, carrying water, stories, and memories from the mountains to the ocean. It connects places and people and sustains life. Its journey is long and eventful. The poeticRead more
The riddle’s answer is a river. Though it has a “bed,” it doesn’t sleep, and it has “banks” without money. A river flows continuously, carrying water, stories, and memories from the mountains to the ocean. It connects places and people and sustains life. Its journey is long and eventful. The poetic clues of beds, banks, and stories describe the river perfectly as a life-giving force of nature that never rests.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 2 Paper Boats
How would life be different without inventions and discoveries?
Life without inventions and discoveries would be unimaginably hard and primitive. We wouldn’t have electricity, clean water systems, transportation, the internet, or medical advancements. Simple tasks would be time-consuming, communication would be slow, and many diseases would remain untreatable. HRead more
Life without inventions and discoveries would be unimaginably hard and primitive. We wouldn’t have electricity, clean water systems, transportation, the internet, or medical advancements. Simple tasks would be time-consuming, communication would be slow, and many diseases would remain untreatable. Human lives would be shorter and less comfortable. Innovation has driven progress in every field—from science to education—and without it, society would remain stagnant, lacking the tools and knowledge to solve problems or improve quality of life.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 1 My Brother’s Great Invention
https://www.tiwariacademy.com/ncert-solutions/class-7/english/
See lessWrite a paragraph about a vocation you admire the most.
The vocation I admire most is that of a scientist. Scientists are curious minds who discover and invent amazing things for society. They require strong academic training, research labs, and advanced equipment. They often work in teams and face challenges bravely. Their work demands dedication, patieRead more
The vocation I admire most is that of a scientist. Scientists are curious minds who discover and invent amazing things for society. They require strong academic training, research labs, and advanced equipment. They often work in teams and face challenges bravely. Their work demands dedication, patience, and innovation. I like this field because it combines learning and creativity. I wish to become a scientist and contribute to new inventions with pride and responsibility.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 1 My Brother’s Great Invention
https://www.tiwariacademy.com/ncert-solutions/class-7/english/
See lessHow does creativity lead to invention? Explain using examples from famous Indian scientists.
Creativity is the ability to think differently, which often leads to great inventions. For example, Sushruta used creative ideas in ancient times to develop surgical techniques. Dr. A.P.J. Abdul Kalam combined science and imagination to launch India’s first satellite. Dr. Narinder Singh Kapany creatRead more
Creativity is the ability to think differently, which often leads to great inventions. For example, Sushruta used creative ideas in ancient times to develop surgical techniques. Dr. A.P.J. Abdul Kalam combined science and imagination to launch India’s first satellite. Dr. Narinder Singh Kapany creatively developed fibre optics. Such inventions happen because of a creative mind that dares to think beyond limits and transform dreams into useful realities, benefiting the whole world.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 1 My Brother’s Great Invention
https://www.tiwariacademy.com/ncert-solutions/class-7/english/
See lessDescribe the contributions of – Dr. A.P.J. Abdul Kalam, Sushruta, Dr. Janaki Ammal, Dr. Narinder Singh Kapany
(a) Sushruta – Sushruta, known as the ‘Father of Surgery,’ lived in the 6th century B.C. He wrote the ancient text Sushruta Samhita, which described over 300 surgical procedures and 120 surgical instruments. His work laid the foundation for modern surgical techniques. He was the first to perform plaRead more
(a) Sushruta –
Sushruta, known as the ‘Father of Surgery,’ lived in the 6th century B.C. He wrote the ancient text Sushruta Samhita, which described over 300 surgical procedures and 120 surgical instruments. His work laid the foundation for modern surgical techniques. He was the first to perform plastic surgery, cataract operations, and even complex bone surgeries. Sushruta also emphasized hygiene, patient care, and diet, which are core principles in medicine today. His contributions proved that ancient India was scientifically advanced. His teachings were used for centuries in Ayurvedic medicine. Even today, the global medical community acknowledges his achievements. Sushruta’s work reflects the spirit of Indian innovation in medical science.
(b) Dr. Janaki Ammal –
Dr. Janaki Ammal was one of India’s first women scientists and a pioneer in cytogenetics and botany. She made vital contributions to plant breeding and genetics. Her research on sugarcane helped in developing sweeter and stronger varieties, which was important for India’s agriculture. She also worked on the chromosomal studies of many plants. Janaki Ammal was awarded the Padma Shri in 1977. She promoted biodiversity and conservation, especially of medicinal plants. She worked with international institutions like the Royal Horticultural Society in London. Her passion for science and dedication to research made her a role model for many women scientists. Her legacy continues in the fields of genetics and environmental science.
(c) Dr. A.P.J. Abdul Kalam –
Dr. A.P.J. Abdul Kalam, known as the ‘Missile Man of India,’ played a key role in India’s space and defence research. Under his leadership, India launched its first satellite vehicle SLV-III, placing Rohini into orbit in 1980. He worked with DRDO and ISRO to develop satellite launch and missile technologies. He later became the 11th President of India and inspired youth through his speeches and books. A visionary scientist, Dr. Kalam combined science with national service. He was awarded the Bharat Ratna for his achievements. He believed that dreams, when pursued with determination, lead to great inventions. His life remains a source of inspiration for young innovators and future scientists across India.
(d) Dr. Narinder Singh Kapany –
Dr. Narinder Singh Kapany is known as the Father of Fibre Optics. His invention revolutionized telecommunications and medical imaging. Fibre optics uses light to transmit data quickly and clearly, and is used in internet, cable TV, and endoscopy. Born in India, Dr. Kapany pursued studies in optics and later moved to the U.S., where he conducted groundbreaking experiments in light transmission. He founded several companies and published research papers and books. Time magazine named him one of the “Unsung Heroes of the 20th Century.” He also promoted Indian art and culture through philanthropy. Dr. Kapany’s creative and scientific work has transformed how we connect and communicate in the modern digital age.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 1 My Brother’s Great Invention
https://www.tiwariacademy.com/ncert-solutions/class-7/english/
See lessSolve the riddles given below. I have a bed, but I do not sleep. I have a bank, but no money I keep. I carry stories, old and new, High mountains to the oceans blue. I journey far to meet the sea, Can you guess, who I can be?
The riddle’s answer is a river. Though it has a “bed,” it doesn’t sleep, and it has “banks” without money. A river flows continuously, carrying water, stories, and memories from the mountains to the ocean. It connects places and people and sustains life. Its journey is long and eventful. The poeticRead more
The riddle’s answer is a river. Though it has a “bed,” it doesn’t sleep, and it has “banks” without money. A river flows continuously, carrying water, stories, and memories from the mountains to the ocean. It connects places and people and sustains life. Its journey is long and eventful. The poetic clues of beds, banks, and stories describe the river perfectly as a life-giving force of nature that never rests.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 2 Paper Boats
https://www.tiwariacademy.com/ncert-solutions/class-7/english/
See less