Available Answers

1. 1.

   Complete the information in this table on the basis of your reading of the text.

   Name of the mathematician / astronomer / scientist	Born in	Contribution
   1. Aryabhata	____________	a. __________________________ b. found the formulae for the area of triangles and circles. c. __________________________ d. __________________________
   2. ________________		a. Wrote the Siddhanthasiromani b. __________________________
   3. Brahmagupta	a. __________	a. __________________________ b. updated the words of astronomy c. __________________________ d. __________________________
   4. Ramanujan	a. __________	a. prime numbers b. hyper geometric series c. __________________________ d. __________________________ e. __________________________ f. __________________________ g. __________________________
   5. C V Raman		a. __________________________

    

2. 2.

   Possibly, their great success helped produce an atmosphere of creativity.

   1. Whose 'great success' does the line refer to? What is the time frame?
   2. What, according to the speaker, was this 'success' a result of?
   3. What did this 'atmosphere of creativity' bring about?
3. 3.

   All these three scientists realised the importance of making the political leadership understand what science could do for the country.

   1. Who are these 'three scientists'? Which institutes had they established?
   2. Why is it important to make our political leaders aware about the potential of science?
   3. What other message do these scientists convey?
4. 4.

   Dr Kalam traces the development of mathematics and science in India from the ancient times. Why does he feel the need to do so?

5. 5.

   There are a few examples of the benefits of working together in the text. Explain what Dr Kalam is trying to state about the nature of such relationships.

6. 6.

   Fill in the blanks with the present or the past participle from the verbs given in the brackets.

   1. The teacher had scolded (scold) the students for making noise.
   2. She _______________ (look) after her daughter's plants for many years.
   3. Manish ______________ (take) his things and left.
   4. Mother _______________ (make) the dessert that she ___________________ (learn) last Sunday.
   5. You _______________ (help) my friends to finish their project on time.
   6. Rehan ______________ (show) us how to fix the electrical lights.