Great Indian Scientists

Multiple Choice Questions

Basic Level

Who among the following is known as the Missile Man of India?

A. C.V. Raman

B. Homi J. Bhabha

C. A.P.J. Abdul Kalam

D. Aryabhata

Answer: C

Which famous Indian scientist won the Nobel Prize for his discovery of the scattering of light?

A. Jagadish Chandra Bose

B. C.V. Raman

C. Vikram Sarabhai

D. Janaki Ammal

Answer: B

National Science Day is celebrated in India every year on February 28th to commemorate the work of

A. Homi J. Bhabha

B. C.V. Raman

C. Aryabhata

D. Satyendra Nath Bose

Answer: B

Janaki Ammal was a famous Indian scientist who specialized in which branch of science?

A. Physics

B. Botany

C. Astronomy

D. Chemistry

Answer: B

The ancient Indian scientist who wrote extensively about medicine and Ayurveda was

A. Aryabhata

B. Charaka

C. Brahmagupta

D. Varahamihira

Answer: B

Moderate Level

The Raman Effect is specifically related to which of the following scientific phenomena?

A. The growth of plants in sunlight

B. The scattering of light when it passes through a transparent material

C. The movement of planets around the sun

D. The reaction of chemicals in a laboratory

Answer: B

What was the major contribution of Aryabhata to the field of Astronomy?

A. He invented the first telescope in India

B. He discovered that the Earth rotates on its axis

C. He was the first to land on the moon

D. He discovered the laws of gravity before Newton

Answer: B

Dr. Homi J. Bhabha is widely regarded as the father of the

A. Indian Space Programme

B. Indian Green Revolution

C. Indian Nuclear Programme

D. Indian IT Industry

Answer: C

Which Indian scientist is credited with proving that plants have feelings and can respond to stimuli?

A. C.V. Raman

B. Jagadish Chandra Bose

C. Janaki Ammal

D. Birbal Sahni

Answer: B

Sushruta is celebrated in the history of science primarily for his pioneering work in

A. Mathematical equations

B. Surgery and plastic surgery

C. Rocket science

D. Ancient chemistry

Answer: B

Challenging & HOTS Type

Assertion: Dr. A.P.J. Abdul Kalam is an inspiration to students across India. Reason: He rose from a humble background to become a top scientist and the President of India through hard work and a scientific temper.

A. Both Assertion and Reason are true and Reason is the correct explanation of Assertion

B. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

C. Assertion is true but Reason is false

D. Assertion is false but Reason is true

Answer: A

Why is the work of ancient scientists like Aryabhata still considered relevant in the modern scientific world?

A. Because modern science has stopped making new discoveries

B. Because their observations laid the foundation for modern mathematics and astronomy

C. Because ancient books are easier to read than modern ones

D. Because they used computers to do their calculations

Answer: B

If a student wants to help India become a leader in space exploration which Indian scientist's life and work should they study most closely for inspiration?

A. Charaka

B. Vikram Sarabhai

C. Janaki Ammal

D. C.V. Raman

Answer: B

How did Janaki Ammal’s work as a botanist directly benefit the common people of India?

A. By discovering new stars in the sky

B. By developing sweeter and higher-yielding varieties of sugarcane for farmers

C. By inventing a new type of medicine for fever

D. By creating the first Indian computer

Answer: B

Assertion: National Science Day is not just a holiday but a day to promote scientific thinking. Reason: It reminds citizens of the importance of evidence-based discovery and the achievements of Indian scientists.

A. Both Assertion and Reason are true and Reason is the correct explanation of Assertion

B. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

C. Assertion is true but Reason is false

D. Assertion is false but Reason is true

Answer: A

India has a rich heritage of scientific discovery, from ancient mathematicians to modern-day physicists. The NCERT Grade 6 syllabus highlights these pioneers to show that science is a global endeavor with significant contributions from India. Studying these scientists helps us understand how persistence and curiosity lead to world-changing discoveries.

Key Indian Scientists and Their Contributions

• Charaka and Sushruta (Ancient India): Often called the fathers of Indian medicine and surgery. Charaka compiled the Charaka Samhita on Ayurveda, while Sushruta performed complex surgeries thousands of years ago.

• Aryabhata: A brilliant mathematician and astronomer who discovered that the Earth rotates on its axis and provided a very accurate value for $\pi$ (pi).

• Sir C.V. Raman: The first Indian to win a Nobel Prize in Science (Physics) for his work on the scattering of light, known as the Raman Effect. We celebrate National Science Day on February 28th to honor this discovery.

• Dr. Homi J. Bhabha: Known as the father of the Indian Nuclear Programme. He realized the potential of nuclear energy for India’s development.

• Dr. A.P.J. Abdul Kalam: Known as the "Missile Man of India" for his work on satellite launch vehicles and missile technology. He also served as the 11th President of India.

• Janaki Ammal: A pioneering botanist who worked on cytogenetics (cell biology) and was instrumental in creating high-yielding varieties of sugarcane in India.