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With reference to the scientific progress of ancient India, which of the statements given below are correct

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With reference to the scientific progress of ancient India, which of the statements given below are correct?
1. Different kinds of specialized surgical instruments were in common use by 1st century AD.
2. Transplant of internal organs in the human body had begun by the beginning of 3rd century AD.
3. The concept of sine of an angle was known in 5th century AD.
4. The concept of cyclic quadrilaterals was known in 7th century AD.
Select the correct answer using the code given below:

(a)

1 and 2 only

(b)

3 and 4 only

(c)

1, 3 and 4 only

(d)

1, 2, 3 and 4

Answer:

(c)

Core Books/NCERT

Explanation

Option (c) is correct. Ancient India had advanced knowledge, including the use of specialized surgical instruments by the 1st century AD, the concept of sine defined in the 5th century AD, and the formula for cyclic quadrilaterals by the 7th century AD. However, internal organ transplants were not performed until the 20th century.