Dr. Vikram Sarabhai - Chapter 2 English Class VIII

(Anundoram Borooah Academy)

English - Class VIII
Chapter 2
Dr. Vikram Sarabhai

Exercise (অনুশীলনী) :

A. Answer the following questions (তলত দিয়া প্ৰশ্নবোৰৰ উত্তৰ দিয়া) :

1. Who was Dr. Vikram Ambalal Sarabhai?
(ড° বিক্ৰম আম্বালাল চাৰাভাই কোন আছিল ?)
Answer : Dr. Vikaram Ambalal Sarabhai was the Father of Indian Space Research.

2. Why is Dr. Vikram Ambalal Sarabhai called the father of Indian Space Research?
( ড° বিক্ৰম আম্বালাল চাৰাভাইক কিয় ভাৰতীয় মহাকাশ গৱেষণাৰ পিতৃ বুলি কোৱা হয় ?)
Answer : Dr. Vikram Ambalal is called the father of Indian Space Research because he founded the Indian Space Research Organisation and put India on the international map in the field of space research.

3. To whom goes the credit of introducing the concept of zero?
(শূন্যৰ ধাৰণা আৰম্ভ কৰাৰ সন্মান কাক দিয়া হয় ?)
Answer : The credit of introducing the concept of zero goes to Aryabhatta.

4. What was the greatest achievemnt of Dr. Vikram A. Sarabhai in the field of space research?
(মহাকাশ গৱেষণাৰ ক্ষেত্ৰত ড°বিক্ৰম আম্বালাল চাৰাভাইৰ ডাঙৰ অৱদান কি আছিল?)
Answer : The foundation of Indian Space Research Organisation (ISRO) was the greatest achievement of Dr. Vikram A. Sarabhai.

5. Write about Dr. Vikram A. Sarabhai's birth and parentage.
(ড° বিক্ৰম আম্বালাল চাৰাভাইৰ জন্ম আৰু পিতৃ-মাতৃৰ বিষয়ে লিখা।)
Answer : Dr. Vikram A. Sarabhai was born on August 12, 1919 in Ahmedabad, Gujrat. His father's name was Shri Ambalal Sarabhai and his mother's name was Saraladevi Sarabhai. The family was an industrial one.

6. Write in brief the story behind the launching of India's first satellite, 'Aryabhatta'.
(ভাৰতৰ প্ৰথম উপগ্রহ ‘আৰ্য ভট্ট’ৰ উৎক্ষেপণৰ পটভূমিৰ কাহিনীটো চমুকৈ লিখা।)
Answer : Dr. Vikram Sarabhai set up the first rocket launching station in India. This centre was established at Thumba near Thiruvananthapuram on the coast of the Arabian Sea. After a remarkable effort, the inaugural flight was launched on November 21, 1953, Sarabhai started a project for the fabrication and lauch of an Indian satellite and the first Indian satellite, 'Aryabhatta' was put in the orbit in 1975 from a Russian cosmodrome.

7. What does PRL stand for?
(PRL য়ে কি বুজায় ?
Answer : PRL stands for Physical Research Laboratory.

8. Name the person who put India on the international map in the field of space research.
(মহাকাশ গৱেষণাৰ ক্ষেত্ৰত ভাৰতবৰ্ষক আন্তর্জাতিক মানচিত্ৰত স্থাপন কৰা ব্যক্তিজনৰ নাম লিখা।)
Answer : The name of the person who put India on the international map in the field of space research was Dr. Vikram Ambalal Sarabhai.

9. What does ISRO stand for?
( ISRO য়ে কি বুজায় ?
Answer : ISRO stands for Indian Space Research Organization.

10. Why did Vikram A. Sarabhai establish 'The Science Centre'?
(ড° বিক্ৰম আম্বালাল চাৰাভাইয়ে কিয় বিজ্ঞান কেন্দ্র স্থাপন কৰিছিল ?
Answer : In 1966 Vikram A. Sarabhai established 'The Science Centre' to spread scientific knowledge, to create interest in science and to promote experimentation among students, teachers and the general public.

B. Fill in the blanks (খালী ঠাই পূৰণ কৰা) :

1. Dr. Vikram A. Sarabhai died at the age of _____
Answer : 52.

2. Dr. Vikram Sarabhai began research in cosmic rays under the guidance of _____
Answer : Dr. C.V. Raman .

3. Vikram Sarabhai was married to _____
Answer : Mrinalini.

4. The first Indian Satellite 'Aryabhatta' was put in orbit in _____
Answer : 1975.

C. Write 'True' or 'False' ('সঁচা' বা 'মিছা' লিখা) :

1. India is one of the scientific powerhouses of the world.
Answer : True.

2. Dr. C. V. Raman was the main personality behind the launching of India's first satellite, 'Aryabhatta'.
Answer : False.

3. In 1962, Dr. Virkram Sarabhai became the chairman of the Indian National Committee for Space Research.
Answer : True.

4. The credit of launcing India into space goes to Dr. Vikram Sarabhai.
Answer : True.