- Which ancient Indian mathematician wrote the book “Aryabhatiyam”?
a) Varahamihira
b) Bhaskaracharya
c) Aryabhata
d) BrahmaguptaAnswer: c) Aryabhata
Explanation: Aryabhata, a famous mathematician and astronomer, wrote “Aryabhatiyam,” in which he explained the rotation of the Earth, eclipses, and mathematical calculations. - What scientific fact did Aryabhata explain in his book?
a) The Earth is flat
b) Day and night are caused by the rotation of the Earth on its axis
c) The Sun revolves around the Earth
d) The Earth is the center of the universeAnswer: b) Day and night are caused by the rotation of the Earth on its axis
Explanation: Aryabhata correctly stated that the Earth rotates on its axis, causing day and night, which contradicted earlier beliefs that the Sun moved around the Earth. - Which mathematical concept was first introduced by Indian mathematicians?
a) The number zero
b) The concept of fractions
c) The Pythagorean theorem
d) The decimal systemAnswer: a) The number zero
Explanation: Indian mathematicians invented the symbol for zero, which was later adopted by the Arabs and spread to Europe, revolutionizing mathematics. - What was Aryabhata’s contribution to geometry?
a) He discovered the Pythagorean theorem
b) He calculated the circumference of a circle
c) He developed the first map of the stars
d) He discovered trigonometryAnswer: b) He calculated the circumference of a circle
Explanation: Aryabhata found a method to calculate the circumference of a circle with remarkable accuracy, similar to the formulas we use today. - Which of the following scholars contributed significantly to astronomy?
a) Chanakya
b) Charaka
c) Sushruta
d) VarahamihiraAnswer: d) Varahamihira
Explanation: Varahamihira was a well-known astronomer and mathematician who made several discoveries about planetary movements and eclipses. - Who among the following is known for writing the “Charak Samhita”?
a) Charaka
b) Sushruta
c) Aryabhata
d) BrahmaguptaAnswer: a) Charaka
Explanation: Charaka was a pioneer in Ayurveda and wrote the “Charak Samhita,” which is an important text on medicine and health sciences. - What is the “Sushruta Samhita” known for?
a) Astronomy
b) Mathematics
c) Surgical techniques
d) AgricultureAnswer: c) Surgical techniques
Explanation: The “Sushruta Samhita” is a medical text written by Sushruta, detailing surgical procedures, including plastic surgery and cataract removal. - Which of the following Indian mathematicians contributed to the understanding of algebra?
a) Aryabhata
b) Sushruta
c) Bhaskaracharya
d) PatanjaliAnswer: c) Bhaskaracharya
Explanation: Bhaskaracharya, also known as Bhaskara I and II, made significant contributions to algebra and calculus. - Which ancient Indian scientist made discoveries about planetary motion?
a) Aryabhata
b) Brahmagupta
c) Sushruta
d) KalidasaAnswer: b) Brahmagupta
Explanation: Brahmagupta was an Indian mathematician and astronomer who studied planetary motion and developed rules for arithmetic operations. - How did ancient Indian scientific knowledge spread to other parts of the world?
a) Through books translated into Arabic
b) Through Indian kings sending scholars abroad
c) Through oral storytelling traditions
d) Through trade with China
Answer: a) Through books translated into Arabic
Explanation: Many Indian scientific texts were translated into Arabic by scholars, which helped in the transmission of knowledge to Europe and the Islamic world.