Industries

Q1. Fill in the blanks.

                            i.        The raw material is put in the blast furnace where it undergoes smelting.

                           ii.        The river Yodo provides sufficient water for the Osaka textile industry.

                          iii.        Ahmedabad is often referred to as the ‘Manchester of India’.

                          iv.        Silicon Valley is a part of Santa Clara Valley, located next to the Rocky Mountains of North America.

                           v.        The first successful modern textile mill was established in Mumbai in 1854.

                          vi.        Secondary activities or manufacturing change raw materials into products of more value to people.

Q2. True/False

                             i.        Leather industry is an agro-based industry. True

                            ii.        Small scale industries use lesser amount of capital and technology as compared to large scale industries. True

                           iii.        Maruti Udyog Limited is an example of co-operative sector industry. False

                           iv.        Alloys give steel unusual hardness, toughness, or ability to resist rust. True

                            v.        Finished product has more value and utility than the raw material that it is made from. False

Q3. What is the output of iron and steel industry?

Ans. Steel

Q4. Where is Silicon Valley located?

Ans.  Silicon Valley is located in California.

Q5. Which is the largest lake of the world?

Ans. Lake Superior is the largest of these five lakes.

Q6. What does AMUL stand for?

Ans. AMUL stands for Anand Milk Union Limited.

Q7. Name some natural fibres.

Ans. Natural fibres are wool, silk, cotton, linen and jute.

Q8. Where is Ahmedabad located in India?

Ans. It is located in Gujarat on the banks of the Sabarmati river.

Q9. Which Indian city is known as "The Manchester of India"?

Ans. Ahmedabad is often referred to as the ‘Manchester of India’.

Q10. Name some man-made fibres.

Ans. Man-made fibres include nylon, polyester, acrylic and rayon.

Q11. What is full form TISCO?

Ans. TISCO stands for Tata Iron and Steel Company Limited.

Q12. What are the effects of alloying elements on steel?

Ans. Alloys give steel unusual hardness, toughness, or ability to resist rust.

Q13. What are the processes of cotton textile industries?

Ans. The processes include ginning, spinning, weaving, dyeing and printing.

Q14. When and where was the first successful textile mill established in India?

Ans. The first successful modern textile mill was established in Mumbai in 1854.

Q15. Name the great lakes of the world.

Ans. The names of great lakes are Superior, Huron, Ontario, Michigan and Erie.

Q16. Where did the word textile come from?

Ans. The term ‘textile’ is derived from Latin word texere which means to weave.

Q17. What are the different ways in which the industries are classified?
Or
Name three common methods of classifying industries.

Ans.  Industries can be classified on the basis of raw materials, size and ownership.

Q18. What is Smelting?

Ans. It is the process in which metals are extracted from their ores by heating beyond the melting point.

Q19. Why Bangalore is called “Silicon Plateau”?
Or
Why Bangalore is known as Silicon Plateau?

Ans. Bangalore is located on the Deccan Plateau from where it gets the name ‘Silicon Plateau’.

Q20. Why do industrial disasters occur?
Or
What are the main causes of industrial accidents?

Ans. In industries, accidents/disaster mainly occurs due to technical failure or irresponsible handling of hazardous material.

Q21. Which place is known as ‘Manchester of Japan’?
Or
Which place is known as ‘Manchester of Japan’?

Ans. Osaka is an important textile centre of Japan, also known as the ‘Manchester of Japan’.