RBSE Class 10 Science Chapter 18 Indian Scientists : Biography and Achievements Solution

Rajasthan Board Class 10 Science Chapter 18 Solution Indian Scientists : Biography and Achievements RBSE Class 10 Science Solution for Chapter 18

Objective type questions.

(1.) For which branch of engineering Dr. A. P. J. Abdul Kalam studied at Madras institute of Technology .

a) Computer

b) Aeronautical

c) Electrical

d) Electronics

Ans-b) Aeronautical

(2.) In which year did Sir C.V. Raman got nobel prize?

a) 1928

b) 1930

c) 1932

d) 1934

Ans- b) 1930

(3.) Who is ornithologist?

a) Dr panchanan maheshwari

b) Meghnad saha

c) Dr. praful Chandra

d) Dr. salim ali.

Ans- d) Dr. salim ali.

(4.) Where is Bhabha Atomic research center situated?

a) Madras

b) Dehli

c) Kolkata

d) Mumbai

Ans- d) Mumbai.

(5.) Charak sumhita is written is which language?

a) Hindi

b) Persian

c) Sanskrit

d) Urdu

Ans-c) saskrit.

Very short type questions

(6.) Dr. Bhabha identified which particle in the cosmic ray?


(7.) Sushurut was descendent of which saint?

Ans- Vishwamitra.

(9.) First appointment of DR.C.V.Raman was on which post?

Ans- national professor.

(10.) Which reactors were established under the guidance of Dr. Bhabha.

Ans-India’s first atomic reactor Apsara.

Short type questions.

(12.) What is the contribution of Dr. Kalam in defence and space research ?

Ans- Dr. Abdul Kalam is also known as Missile Man. He took up the responsibility of developing indigenous Gudied Missiles at DRDO. After working for two decades in ISRO, DR. Klam was appointed as the CEO of integrated guided missile development programme. He was responsible for the development and operationalisation of AGNI and PRITHVI.

(13.) What is Raman effect? What is its importantce?

Ans- Raman effect is the scattering is the inelastic scattering of a photon by molecules which are excited to higher vibrational or rotational energy levels. He explained the reasons for blue colour of sea and space. He studied the Raman Effects in solids, liquids and gases.

(14.) What is the contribution of Dr. Panchanan Maheshwari in Botany ?

Ans- He was a botany scientist. His specialization is plant embrooyology.with the help of combination and plant tissue culture he developed different parts of folwers with artificial nutrition.

(15.) Match the following


a) Bird man of India- Dr. Salim Ali

b) Missile Man – DR. A.P.J. Abdul Kalam.

c) Father of plastic surgery – Sushrut.

d) Father of Indian Nuclear Science- Dr. Bhabha.

Essay type questions.

(16.) Discuss the life history of sushurut and his contribution in science.

Ans- Sushrut was born around six hundred years before Christ. He learnt primary medical education in the ashram of Dhanwantari. Shushrut was the first to give the sophisticated knowledge of surgery in medical science. He refined the procedure of surgery and performed many complex surgiers and provide knowledge regarding equipments used in the surgical procedures. He has written SUGHRUTA SAMHITA in which details of surgery described. He is may called the father of the plastic surgery. He provide knowledge of 101 equipments.

(17.) Discuss the life history of Dr.A.P.J. Abdul kalam and his contribution in science.

Ans-Dr. Abdul Pakir Jainulabdeen Abdul Kalam was born on October 15, 1931 in Dhanush Kodi town of Rameshwaram district of Tamilnadu. his elementary education was in Rameshwaram and for high school he went to nerby town .Iydura  Soloman was his source of inspiration, Kalam made three points of teachings of Solomon as the basis of his life. Willpower ,faith,and hope points for a successful life.

In 1904 he joined Madras Institute to study aeronautical engineering. In 1958 kalam was appointed senior scientist in Hovercraft project under DRDO. Kalam took training of technique of launching of Rockets from NASA  and first rocket Nike Apache was launched by India from Thumba. He was appointed project director of SLV project and under his directionship sucessfuly deployed Rohini Satellite into orbit.

In 1983 kalam was appointed chief Executive of IGMDP and he played very important part in development and launching of PRITHVI,AGNI, TRISHUL ,NAG and AKASH ,issile. He was the chief project coordinator for Pokhran 2 nuclear test in 1998.Government of India honoured him with Pdma bhushan 1981, Padma Vibhushan 1900 and Bharat Ratna1997.

On july 21,2015 Dr. kalam died of cardiac arrest wile delivering a lecture in IIM shilling.

(18.) Discuss the life history of sir C.V. Raman and his contribution of science.

Ans- Chandrashekara Venkat Raman born on November 07, 1888 in Trichirapalli city of Ta,ilnadu state was of India. His father was Chandrashekhar Ayyer and mother was Parvati Ammal. Raman passed inter in first division with scholarship from Waltear college in Visakhapatanm. He got M.sc. with the hightest distinction from university of Madras. At the age of 19 he passed government competitive exam of economics in which literature history, saskrit and political scienece were the topics. He joined as Deputy Auditor General in government of India.

In 1997 Raman resigned from his government job because he was not able to give time to scientific research and become the first palit professor of Physics in culcutta university. During his tentur he discovered Raman effect in 1928. In 1930 Raman got nobel prize for his famous discovery of Raman effect. Raman effect is also known as Raman effect and it is also known as Raman scattering. Raman scattering is the inelastic scattering of a photon by molecules wich are excited to higher vibrational pr rotational energy levels.

In 1949 he was appointed as the first national professor by the government of India. In 1954 Raman was conferred Bharat Ratna by government of India. For his work he was awarded Lenin Peace Prize in 1957. He was also given Knighthood in 1929. He died on November 20, 1970. In his honour on 28 february India celebrates Science day.

(19.) Discuss the life history of Dr. Salim Ali and his contribution in science.

Ans-Dr. Salim Ali was born on november 12,1896 in Sulemani Muslim family. He was an Indian ornithologist and naturalist. He is also refered to as Birdman of India. He was the first person who symetematically conducted surveys on birds all around India. His books on India birds helped in popularsing ormithology in India.

In 19976 he was awarded the Padma Vibhushan the second highest Civilian Honour of India. Agter 1947, he became the main person behind the Bombay Natural History Society he used his personal influence for getting government support for the organization. He was also instrumental in creating Bharatpur Bird Sanctuary he worked hard to stop the construction of a dam that was a threat to silent valley national park. He gave a few books to start collecting birds and one of the books was common Birds of Mumbai. In his autobiography The Fall of a Saparrow”. Salim writes that the event if yellow throated sparrow was life changing event for him because this event led him into ornithology. In 1990 government of India established Salim Ali Center for ornithology and Natural history.

Updated: December 12, 2020 — 3:47 pm

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