CBSE Class 8 English Bibha Chowdhuri: The Beam of Light that Lit the Path for Women in Indian Science Worksheet Set 01

Fill in the Blanks

Question. The broken spacecraft parts ............ thoroughly before the launch. (inspect)
Answer: were inspected
Explanation: Engineers checked every damaged piece of the rocket very closely to make sure it was completely safe to fly.

Question. Bibha worked in several research centres including the ............ in Kolkata.
Answer: Saha Institute of Nuclear Physics
Explanation: Bibha carried out many experiments in Kolkata at leading laboratories like the Saha Institute and Bose Institute.

Question. Thousands of trees ............ during the environment conservation campaign last week. (plant)
Answer: were planted
Explanation: Many helpful people came together to put baby trees into the soil so our Earth stays green and healthy.

Question. During the space mission, various atmospheric factors ............ by the satellite sensors. (measure)
Answer: were measured
Explanation: High-tech robotic instruments on the satellite checked details like temperature and air around our planet.

Question. All samples ............ cautiously before being sent to the lab. (test)
Answer: were tested
Explanation: The materials were examined with extra care to ensure safe handling inside the science laboratory.

Question. An uncommon chemical reaction ............ in the laboratory yesterday. (observe)
Answer: was observed
Explanation: The scientists witnessed a rare and interesting reaction taking place inside their test tubes.

Question. Important notes ............ by the students during the lecture. (take)
Answer: were taken
Explanation: The children wrote down key facts in their notebooks while their teacher was speaking.

True or False

Question. Bibha Chowdhuri was supervised by Homi J. Bhabha during her Ph.D. in England.
Answer: False
Explanation: During her Ph.D. research in England, she worked under Nobel Laureate Patrick Blackett, not Homi Bhabha.

Question. Bibha's discovery of pi-mesons brought her an international award.
Answer: False
Explanation: Even though she helped discover these important particles, she did not win a major prize during her lifetime.

Question. Bibha Chowdhuri received the Padma Bhushan during her life.
Answer: False
Explanation: Bibha never received major national awards like the Padma Bhushan while she was alive.

Vocabulary Activity - "Guess the Word"

Question. His strong commitment and hard work made him prosperous in life.
Answer: dedication
Explanation: Dedication means giving all your time, energy, and love to something you really want to achieve.

Question. My coworkers and associates helped me complete the assignment on time.
Answer: colleagues
Explanation: Colleagues are fellow teammates who help each other finish projects and tasks.

Question. A person who guides and assists you in your career or studies is known as a guide or teacher.
Answer: mentors
Explanation: Mentors are caring teachers who show you the best way to grow and succeed.

Question. Winning the national prize was one of her greatest successes or accomplishments.
Answer: achievements
Explanation: Achievements are wonderful accomplishments that you earn by studying and trying your hardest.

Question. The biggest challenges or difficulties in the project were solved with teamwork.
Answer: obstacles
Explanation: Obstacles are tough problems that become easier to beat when everyone works as a team.

Question. The startup was founded by young people who introduced new techniques or products.
Answer: innovators
Explanation: Innovators are creative individuals who introduce new ways of doing things to help people.

Questions / Short Question Answers

Question. In which calendar year was Bibha Chowdhuri born?
Answer: Bibha Chowdhuri was born in the year 1913 in Kolkata.
Explanation: Bibha was born more than one hundred years ago, long before India won its freedom.

Question. What does Bibha Chowdhuri's quiet scientific career tell us about the role of fame in one's work?
Answer: Bibha Chowdhuri's quiet scientific career tells us that true dedication to science doesn't always come with fame, but the impact of one's work can still be powerful and long-lasting.
Explanation: It teaches us that doing great work is important, even if no one claps or cheers for you right away.

Question. Which branch of science did Bibha specialise in?
Answer: Bibha specialised in high-energy particle physics and the study of cosmic rays.
Explanation: Physics is the science of energy and matter; she studied tiny, invisible particles that travel from outer space.

Question. Why was the naming of a celestial body after Bibha meaningful?
Answer: The naming of a celestial body after Bibha was significant because it was a delayed but meaningful recognition of her scientific achievements and a way to honour her lasting legacy.
Explanation: Giving her name to a real star up in the sky showed that her science work was truly wonderful.

Question. Why do you think Bibha continued her scientific work despite not receiving major prizes?
Answer: Bibha continued her scientific work despite not receiving major awards because she valued knowledge more than fame. Her strong passion for science gave her the motivation to keep going. This shows her deep commitment and sense of purpose.
Explanation: She loved discovering new things for fun and learning, not just to collect medals.

Question. What title did the newspapers give Bibha during her early research career?
Answer: British newspapers called her "India's New Woman Scientist—She has an eye for Cosmic Rays".
Explanation: Journalists were fascinated by how smartly she studied invisible rays coming from the universe.

Question. How did Bibha Chowdhuri's work help challenge gender stereotypes in science?
Answer: Bibha Chowdhuri's work helped challenge gender roles in science by proving that women could succeed in a field where they were rarely accepted or encouraged, breaking old stereotypes through her achievements.
Explanation: Long ago, people believed only boys could be physicists, but Bibha proved that girls can be just as smart.

Question. How did Bibha Chowdhuri challenge both societal expectations and professional obstacles through her journey in science?
Answer: Bibha Chowdhuri lived in a time when women were expected to follow traditional roles and were rarely seen in scientific fields. However, she chose to study physics, a subject dominated by men, and became the first Indian woman physicist. She worked with top scientists and made important discoveries like the pi-meson, even though she remained unrecognised for years. Her courage to step into male-dominated spaces and continue her work quietly despite challenges proves that she broke both social and professional barriers.
Explanation: Even when society expected women to stay home, Bibha went to universities and laboratories to become a leading physicist.

Question. Name any two Indian women scientists mentioned as participants to Chandrayaan-3.
Answer: Dr. Ritu Karidhal Srivastava and Kalpana K. are two notable women scientists associated with India's space missions.
Explanation: These brilliant women are rocket scientists who helped guide India's spacecraft all the way to the Moon.

Question. What does the title of the chapter suggest about Bibha's impact on women in science?
Answer: The title of the chapter suggests that Bibha was a guiding force for women in science. Calling her a 'beam of light' means she showed the path to others, proving that even silent achievers can inspire future generations of female scientists.
Explanation: Just like a bright lamp lighting a dark walkway, Bibha made it easier for other girls to follow a path into science.

Question. What trait in Bibha helped her succeed despite limited opportunities for women?
Answer: The quality in Bibha that helped her succeed despite limited opportunities for women was her strong determination and deep love for science, which kept her going even without recognition.
Explanation: She succeeded because she was stubborn about her dreams and truly loved learning how the universe works.

Question. What part did Homi J. Bhabha play in Bibha Chowdhuri's career?
Answer: Homi J. Bhabha recognized Bibha's talent and invited her to join the Tata Institute of Fundamental Research (TIFR) in 1949, making her the first woman faculty member there.
Explanation: Homi Bhabha was India's top nuclear scientist, and he gave Bibha a job as a professor in his research institute.

Question. What lesson does Bibha's life give to young students today?
Answer: Bibha's life gives the message to young students that one should stay focused on their goals and keep working hard, even if praise or recognition does not come immediately.
Explanation: It teaches us to work hard at school because learning is exciting, not just to get praise from others.

Question. Why is Bibha's journey often described as one of both genius and invisibility?
Answer: Bibha's journey is often described as one of both brilliance and invisibility because, although she made important contributions in physics, she remained largely unnoticed by the public and didn't receive the attention she deserved.
Explanation: She was super smart and made big discoveries, but almost nobody outside the laboratory knew her name.

Question. Describe the significance of the symbolic honour of renaming a star as 'Bibha'. How does it reflect her contribution to science?
Answer: Renaming a distant star as 'Bibha' is deeply meaningful because the word itself means 'a beam of light'. Just as a star shines quietly in space, Bibha worked silently to reveal secrets of cosmic rays and particles. Naming a star after her ensures that her groundbreaking contributions will shine forever for the whole world to see.
Explanation: A star in outer space will now carry her name forever, showing that her scientific work brought light to the world.

Question. What main barrier did Bibha face in her scientific journey?
Answer: Bibha faced societal prejudice and gender bias, as women during her era were rarely accepted, supported, or given equal opportunities in science.
Explanation: Back in those days, many people did not want women to study science or work in laboratories.

Question. What makes Bibha's scientific journey motivating for students today?
Answer: Bibha's scientific journey is inspiring for students today because it proves that with dedication and hard work, even someone facing great odds can make great achievements. Her story also teaches that true effort matters, even if recognition comes later.
Explanation: Her story reminds boys and girls that if they practice and stay curious, they can achieve amazing things.

Question. Discuss how Bibha Chowdhuri's scientific contributions opened the way for future women scientists in India.
Answer: Bibha Chowdhuri's early work in particle physics and cosmic rays showed that women could achieve great things in science. At a time when few women were allowed into research institutions, she not only studied abroad under a Nobel Laureate but also worked at top Indian institutes like TIFR. Although she was not widely recognised, her presence and contributions proved that women could be excellent scientists. Today's women scientists at ISRO and other space missions stand on the foundation laid by pioneers like her.
Explanation: By being the first woman to work in top physics labs, she showed everyone that women can be fantastic scientists.

Question. Why is Bibha's work with scientists like Homi Bhabha crucial in her story?
Answer: Bibha's work with scientists like Homi Bhabha is important in her story because it shows she was respected and trusted by top scientists in India, which proves her talent and capability.
Explanation: It shows that the most brilliant minds in India knew how talented she was and wanted to work with her.

Question. Imagine you are a young girl who wants to become a scientist, but people around you say it's not a 'girl's job'. Based on Bibha Chowdhuri's story, what lessons can you take from her life to stay encouraged?
Answer: Bibha Chowdhuri showed that anyone can follow their dreams if they are determined. Even when people didn't believe in women scientists, she worked hard and became successful. Her story teaches me to never give up, even if others doubt me. I should stay focused, learn as much as I can and believe in myself. Like Bibha, I can prove that science is for everyone—boys and girls.
Explanation: You can do any job you want as long as you work hard and never give up on what you love.

Question. What does Bibha Chowdhuri's story tell us about the past role of women in science?
Answer: Bibha Chowdhuri's story tells us that women played an important role in science, even if they were not publicly acknowledged. It highlights how the lack of support and recognition didn't stop her from succeeding. She quietly broke the idea that science was only meant for men.
Explanation: Women have always done great things in science, even if old history books forgot to mention them.

Question. Why was Bibha's story not well known during her lifetime despite her accomplishments?
Answer: Bibha's contributions were largely forgotten for many years because women scientists were rarely given attention in her time. Also, she didn't seek fame or promote her work, so her achievements remained hidden until they were rediscovered more recently.
Explanation: Bibha was very quiet and cared only about her research, while the world back then mostly praised male scientists.

Question. What made Bibha's scientific contributions even more extraordinary, given the time she lived in?
Answer: Bibha's scientific contributions are even more remarkable because she achieved them at a time when very few women were given the chance to study or work in scientific fields.
Explanation: Girls were rarely allowed to go to university back then, which makes her achievements extra special.

Question. Explain Bibha Chowdhuri's contribution to the field of cosmic rays.
Answer: Bibha conducted pioneering research on cosmic rays using photographic nuclear plates. While working in Darjeeling and later during her Ph.D. in Manchester under Patrick Blackett, she helped discover pi-mesons, which was a vital breakthrough in subatomic physics.
Explanation: She climbed high mountains to catch invisible rays falling from outer space using special photo sheets.