CBSE Class 8 English Bibha Chowdhuri: The Beam of Light that Lit the Path for Women in Indian Science Worksheet Set 02

Fill in the Blanks

Question. The lunar landing ............ on live television in 1969. (record)
Answer: was recorded
Explanation: Astronauts walked on the Moon in 1969, and people everywhere watched the video broadcast on their television sets.

Question. In 2019, the International Astronomical Union named a star after Bibha in the constellation ............
Answer: Leo
Explanation: Astronomers chose a real shining star up in space and named it after Bibha to celebrate her brilliant scientific work.

Question. The final outcomes of the experiment ............ in a scientific journal last month. (publish)
Answer: were published
Explanation: When researchers finish a study, their discoveries are printed in a science magazine for others to read.

Question. Her recommendation for the Nobel Prize came in the year ............
Answer: 1950
Explanation: A world-famous scientist officially suggested that Bibha deserved the Nobel Prize in 1950 for discovering tiny subatomic particles.

Question. The answer sheets ............ by the instructor before the results were announced. (check)
Answer: were checked
Explanation: The teacher looked through all the exam papers carefully to mark them before sharing the final scores.

Question. Bibha Chowdhuri was the first female faculty member at ............
Answer: Tata Institute of Fundamental Research (TIFR)
Explanation: She made history by becoming the very first woman researcher and professor at this top physics institute in India.

Question. A new type of butterfly ............ recently in the Amazon rainforest. (discover)
Answer: was discovered
Explanation: Explorers exploring the thick jungle spotted a special kind of butterfly that had never been seen before.

Question. Bibha died in the year ............ with her story largely forgotten.
Answer: 1991
Explanation: Bibha passed away in 1991, and back then, few people remembered the wonderful things she had done for physics.

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. Complete the sentence in the passive voice: '...the foundation ___ by early trailblazers like Bibha Chowdhuri.'
Answer: was laid
Explanation: When something was built or started by people in the past, we use the helping phrase "was laid."

Question. In 2019, the International Astronomical Union honoured Bibha by designating a star in the ............ constellation after her.
Answer: Leo
Explanation: Astronomers chose a real shining star in the Leo constellation (star pattern) and gave it Bibha's name to honour her.

True or False

Question. The story calls Bibha a 'beam of light' because she guided the path to other women in science.
Answer: True
Explanation: Like a bright flashlight in the dark, she showed other girls that they too could pursue science and succeed.

Question. Over 50 women contributed to the triumph of Chandrayaan-3.
Answer: True
Explanation: More than fifty talented women scientists and engineers worked together at ISRO to make the Moon landing a success.

Question. Bibha Chowdhuri received prestigious accolades for her work during her lifetime.
Answer: False
Explanation: Even though Bibha was a brilliant physicist, she did not receive any major awards or public fame while she was alive.

Question. More than 50 women scientists participated in the success of the Chandrayaan-3 mission.
Answer: True
Explanation: Over fifty female scientists and engineers worked together at ISRO to land India's spacecraft safely on the Moon.

Question. Erwin Schrödinger nominated Bibha Chowdhuri for the Nobel Prize in 1950 for her research on pi-mesons.
Answer: True
Explanation: A world-famous scientist named Erwin Schrödinger recommended Bibha for science's highest prize because of her great discoveries.

Vocabulary Activity - "Guess the Word"

Question. At work, I always share my ideas with the people who work with me in the same office.
Answer: colleagues
Explanation: Colleagues are friends and teammates who do work together in the same workplace.

Question. People who create new ideas or products that change the world are often called the first inventors or makers.
Answer: innovators
Explanation: Innovators are clever thinkers who dream up new ideas and create brand-new inventions.

Question. I am thankful to my teacher who acted as a trusted advisor during my studies.
Answer: mentor
Explanation: A mentor is a kind and wise guide who helps you learn and teaches you how to do well.

Question. To succeed, one must overcome many things that make progress hard.
Answer: obstacles
Explanation: Obstacles are difficulties or roadblocks that stand in your way when you are trying to reach a goal.

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. This title reflected the awe she inspired in a world still ............ of her abilities. (meaning: doubtful)
Answer: sceptical
Explanation: "Sceptical" means having doubts or not being completely sure whether someone can really do something.

Question. India has seen its share of ............ who cleared the way for others. (meaning: people who are the first to do something)
Answer: trailblazers
Explanation: A "trailblazer" is a brave person who does something first so that other people can easily follow later.

Question. The journey from Bibha Chowdhuri's time to today's women scientists has been long and ............ . (meaning: difficult, needing a lot of effort)
Answer: arduous
Explanation: An "arduous" journey is one that is very tough and requires tons of hard work and patience to finish.

Question. Bibha's ............ eventually earned her a seat at the Bose Institute. (meaning: ability to keep doing something difficult)
Answer: persistence
Explanation: "Persistence" means staying focused and never giving up, even when things are very difficult.

Question. As the stars of Indian science shine brighter, Bibha Chowdhuri, the ............ — 'beam of light,' will always lead the way. (meaning: a good example that gives people hope)
Answer: beacon
Explanation: A "beacon" is a guiding light (like a lighthouse) that helps people find their way and gives them hope.

Questions / Short Question Answers

Question. Explain how the journey of Bibha Chowdhuri contrasts with the roles of women in ISRO today.
Answer: In Bibha's era, women were solitary figures fighting against social barriers and receiving minimal recognition. In contrast, women scientists at ISRO today serve in leading roles as mission directors and project heads for major space missions like Chandrayaan-3 and the Mars Orbiter Mission, receiving nationwide celebration. Bibha laid the early groundwork that made today's opportunities possible.
Explanation: Long ago, Bibha was almost the only woman in the laboratory, but today whole teams of women lead rocket missions to the Moon!

Question. Who is popularly known as the 'Rocket Woman of India' and played a vital role in the Mars Orbiter Mission?
Answer: Dr. Ritu Karidhal Srivastava
Explanation: She is a famous Indian space scientist who led key teams at ISRO to send a satellite to Mars.

Question. In what ways did Bibha add to India's scientific development after returning from abroad?
Answer: Bibha contributed to India's scientific development after returning from abroad by working at leading institutions like the Tata Institute of Fundamental Research. She focused on cosmic rays and helped lay the foundation for advanced scientific research in post-independence India.
Explanation: When she came back to India, she helped set up important science experiments to help our country grow.

Question. How did Bibha's work lay the groundwork for future women scientists in India?
Answer: Bibha proved that women could study complex physics and hold researcher positions at top institutions. By showing immense courage and dedication, she broke gender barriers and opened doors for future Indian women in STEM.
Explanation: She opened the door so that other girls could step inside universities and become scientists too.

Question. What does Bibha Chowdhuri's life teach us about the worth of dedication, even when there is no immediate recognition?
Answer: Bibha's life shows that true dedication to a cause doesn't always need public praise. She never received major awards during her lifetime, yet she kept working in the field of physics with great passion. Her story tells us that what matters most is staying committed to your goal. Recognition may come late, as it did when a star was named after her and a chair professorship was introduced in her honour. Sincere efforts, even if unnoticed at first, can have a lasting impact.
Explanation: Even if no one says 'good job' right away, your hard work and honest efforts will always matter in the end.

Question. How is Bibha's legacy different from the acknowledgment she received in her lifetime?
Answer: During her lifetime, Bibha received almost no awards and remained largely unnoticed by the public. In contrast, her legacy today is recognized worldwide, with a star named after her, university professorships established in her honour, and her story taught in textbooks.
Explanation: People didn't notice her when she was alive, but now the whole world looks up at a star named after her.

Question. Why do you think Bibha's contributions were largely overlooked for many years?
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: Society did not celebrate women scientists back then, and she was too modest to brag about her success.

Question. Compare the hurdles faced by Bibha Chowdhuri in her time to those faced by women scientists today. What changes and what stays the same?
Answer: In Bibha Chowdhuri's time, women were barely seen in science and even if they achieved something big, they were rarely recognised. She had to work extra hard to prove herself and gain respect. Today, women scientists have more opportunities and are leading major space missions like Chandrayaan-3. However, some challenges like gender bias and the need to balance personal and professional life still exist. The main change is that women are now seen and celebrated more, but the journey for equality is ongoing.
Explanation: Today, women get far more chances to build rockets and lead teams, but they still have to work hard for complete fairness.

Question. If you were asked to create a tribute to Bibha Chowdhuri in your school (like a poster, project or event), what would you do and why? How would it help students understand her importance?
Answer: I would create a science exhibition named 'Beam of Light: The Bibha Chowdhuri Story' with posters, a small play about her life, and models of cosmic rays and stars. I would also include quotes and pictures showing her work. This tribute would help students learn how brave and talented she was and how she made space for women in science, inspiring other students, especially girls, to dream big and work hard.
Explanation: Acting in a school play and making colourful science posters would help all the kids understand how wonderful she was.

Question. Discuss the message the writer shares by narrating Bibha Chowdhuri's life and work. How can her story inspire young students?
Answer: The writer conveys the message that passion for truth and knowledge is more valuable than fame. Bibha's life shows that perseverance in doing meaningful work leaves an everlasting mark, regardless of whether others praise you. Her story inspires students to follow their curiosity, overcome difficulties, and never doubt their own potential.
Explanation: The author wants us to know that loving what you do and helping the world is much more important than being famous.

Question. How did Bibha's association with international scientists influence her career?
Answer: Bibha's association with international scientists affected her career by giving her chances to work at well-known research centres and connect with top minds in the field. For example, Erwin Schrödinger nominating her for the Nobel Prize shows her work was highly respected at the global level.
Explanation: Working with great scientists around the world allowed her to conduct cutting-edge research in famous laboratories.

Question. How is Bibha Chowdhuri's legacy commemorated today and why is it important to celebrate such pioneers?
Answer: Bibha Chowdhuri's legacy was almost forgotten until recently, when the International Astronomical Union named a star after her and the Indian government established a chair professorship in her name. These honours recognise the role she played in Indian science despite little appreciation during her lifetime. Celebrating pioneers like Bibha is important because it brings hidden stories to light and motivates others. Her story reminds us to respect not just the loud successes, but also the quiet contributions that shape history behind the scenes.
Explanation: Celebrating her today tells young students that silent hard work is important and encourages everyone to chase their dreams.

Question. How does Bibha Chowdhuri's life reflect both hardship and strength in the field of science?
Answer: Bibha Chowdhuri's life reflects both struggle and strength as she had to fight against social norms and lack of recognition, but she never gave up on her passion for physics. Despite being overlooked, she worked with some of the best minds in science and made important discoveries. Her journey shows inner strength and love for learning.
Explanation: Life was tough for her because people doubted women, but her brave heart kept her studying physics anyway.

Question. Explain how the journey of Bibha Chowdhuri contrasts with the roles of women in ISRO today.
Answer: In Bibha's era, women were solitary figures fighting against social barriers and receiving minimal recognition. In contrast, women scientists at ISRO today serve in leading roles as mission directors and project heads for major space missions like Chandrayaan-3 and the Mars Orbiter Mission, receiving nationwide celebration. Bibha laid the early groundwork that made today's opportunities possible.
Explanation: Long ago, Bibha was almost the only woman in the laboratory, but today whole teams of women lead rocket missions to the Moon!