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

Answer: (C) Admired in elite academic groups but largely overlooked publicly

Explanation:
1. Bibha Chowdhuri was a very smart scientist.
2. Great scientists knew her and respected her clever work.
3. But normal people and newspapers did not celebrate her when she was alive.

Answer: (B) Dr. Ritu Karidhal Srivastava

Explanation:
1. Dr. Ritu Karidhal Srivastava is a senior scientist at ISRO.
2. She helped guide India's rocket all the way to Mars.
3. People proudly call her the 'Rocket Woman of India'.

Answer: (B) She pursued science in a society with few women in that domain.

Explanation:
1. Many years ago, girls were not encouraged to study science.
2. Bibha was very brave and decided to study physics anyway.
3. She became one of the very few women scientists of her time.

Answer: (B) was laid

Explanation:
1. The word 'foundation' or 'base' is singular.
2. It was created in the past by someone else.
3. In the past passive form, we use 'was laid'.

Answer: (C) Cosmic rays

Explanation:
1. Bibha traveled to England to do research at the University of Manchester.
2. She studied mysterious energy rays falling from space called cosmic rays.
3. She got her highest college degree (Ph.D.) for this work.

Answer: (C) membership

Explanation:
1. A suffix is added to the end of a word.
2. When we add '-ship' to the word 'member', we get 'membership'.
3. Membership means being a member of a group or club.

Answer: (C) It shows how she worked alongside India's top scientific leaders despite gender bias.

Explanation:
1. Homi Bhabha and Vikram Sarabhai were India's greatest scientists.
2. They respected Bibha's sharp mind and worked with her in laboratories.
3. This shows she was trusted by the best scientists in India.

Answer: (B) Renaming a star after her

Explanation:
1. The International Astronomical Union names objects in space.
2. In 2019, they named a shining star in the sky 'Bibha'.
3. The name 'Bibha' means a bright beam of light.

Answer: (C) -hood

Explanation:
1. A child is a young boy or girl.
2. When we add '-hood', it becomes 'childhood'.
3. Childhood means the time when a person is growing up as a kid.

Answer: (C) She maintained quiet dedication despite limited acknowledgement.

Explanation:
1. Bibha loved science for the joy of discovering things.
2. She did not work just to become famous or get praise.
3. She worked silently and happily in her lab every day.

Answer: (B) were taken

Explanation:
1. 'Blood samples' is plural, meaning there were many samples.
2. The trials happened in the past.
3. For many things in the past, we say 'were taken'.

Answer: (C) When a celestial body was named in her honour

Explanation:
1. A celestial body is an object in space, like a star.
2. In 2019, scientists named a star after Bibha.
3. That is when people all over the world started reading her story.

Answer: (D) Homi J. Bhabha

Explanation:
1. Dr. Homi J. Bhabha started the famous TIFR science institute in Mumbai.
2. He knew how smart Bibha was.
3. He personally selected her to be the first female teacher and researcher there.

Answer: (C) are celebrated

Explanation:
1. 'Women' means more than one female scientist (plural).
2. The word 'Today' tells us it is happening right now in the present.
3. For plural subjects in the present tense, we use 'are celebrated'.

Answer: (C) the resilience of women breaking academic stereotypes

Explanation:
1. Resilience means staying strong and never giving up.
2. Long ago, people believed only men could do physics.
3. Bibha broke this false idea by becoming an amazing physicist.

Answer: (B) The discovery of pi-mesons

Explanation:
1. Atoms are made of tiny particles.
2. Bibha helped discover a special tiny particle called the pi-meson.
3. This was her greatest contribution to science.

Answer: (D) An experiment was performed by me.

Explanation:
1. 'An experiment' becomes the first word of the sentence.
2. The action was done in the past, so we use 'was performed'.
3. The word 'I' changes into 'by me' at the end.

Answer: (C) She contributed to multiple premier research institutes.

Explanation:
1. When Bibha returned to India, she worked in top laboratories.
2. She worked at TIFR, PRL, and the Saha Institute of Nuclear Physics.
3. She helped build India's science foundation.

Answer: (C) was discovered

Explanation:
1. 'A new cure' is singular (one thing).
2. It was found in the past.
3. In the passive past tense, we say 'was discovered'.

Answer: (C) Her research earned respect from global scientific pioneers.

Explanation:
1. Erwin Schrödinger was a world-famous scientist.
2. He thought Bibha's research was so good that she deserved the Nobel Prize.
3. This shows top world experts respected her work.

Answer: (A) Data was noted daily by me.

Explanation:
1. 'Data' moves to the start of the passive sentence.
2. The action took place in the past, so we use 'was noted'.
3. We add 'by me' to show who did the writing.

Answer: (B) Traditional beliefs about women's intellectual roles

Explanation:
1. In old days, people thought women could not do high-level thinking.
2. Bibha solved very difficult physics problems.
3. Her life proved that women are just as clever and capable as men.

Answer: (C) is positioned

Explanation:
1. When we give a step-by-step direction, we use the simple present tense.
2. 'It' is one object (the spacecraft).
3. For a single object in the present passive voice, we say 'is positioned'.

Answer: (C) A is true but R is false.

Explanation:
1. Bibha truly did not get major awards when she was alive, so statement A is true.
2. But India did have awards for scientists at that time, so statement R is false.
3. Therefore, choice (C) is the right answer.

Answer: (c) Her lasting impact and recognition in science

Explanation:
1. The word 'Bibha' means a bright beam of light.
2. Astronomers named a star in the sky after her to honour her work.
3. It shows that her great work in science will always be remembered.

Answer: (c) University of Manchester

Explanation:
1. Bibha Chowdhuri traveled to England for her higher studies.
2. She studied physics at the University of Manchester.
3. She did great research on cosmic rays and earned her Ph.D. degree there.

Answer: (b) Discovery of pi-mesons

Explanation:
1. Pi-mesons are very tiny particles found inside atoms.
2. Bibha studied rays from space to help discover these particles.
3. This was her most important and famous work in physics.

Answer: (d) Patrick M.S. Blackett

Explanation:
1. Patrick M.S. Blackett was a famous scientist who won the Nobel Prize.
2. He was Bibha's teacher and guide in England.
3. He helped her study cosmic rays coming from outer space.

Answer: (c) Erwin Schrodinger

Explanation:
1. Erwin Schrödinger was a great world-famous scientist.
2. He respected Bibha's research on subatomic particles.
3. In 1950, he nominated her for the prestigious Nobel Prize.