Arsenic Problem Is a Great Problem

1. Choose the best answer from the alternatives:                                                    1  5 = 5

a) Water containing industrial pollutants----------.

     i) can be used                                                                                 ii) can sometimes be used

     iii) can never be used                                                    iv) can be used after some treatment

b) The word Ôeventually’ means----------.

     i) consequently                   ii) obviously                  iii) evidently                iv) both i and iii

c) Which water contains arsenic ?

     i) Tubewell water              ii) Rain water               iii) Supply water               iv) pond water 

d) Surface water in Bangladesh is heavily polluted with----------.

     i) dangerous virus                                                                                 ii) dangerous bacteria     

     iii) arsenic poisioning                                                                     iv) dangerous presticides

e) No surface water should be used without----------.

    i) care                      ii) assesment                            iii) boiling                           iv) treatment

2. Write whether the statements are true or false.If false, give the correct  answer:                                                                                                          

                                                                                                                                      1 5 = 5

a. Most of the deep tuebwells of Bangladesh are free from arsenic and bacteria.

b. Boiling can remove arsenic from water.

c. Number of arsenic effected people is on the rise.

d. The poisioning of arsenic is less severe to a healthy man.

e. Arsenicosis is a contagious disease.

3. Fill in each gap in the following passage with a suitable word from the box. There are more words than necessary :                                                                    

uncontaminated	containing	made	causes	called	best
remarkable	arsenic	purpose	source	surfaces	ideal

A (a)---------- part of the ppulation of Bangladesh is in the grip of a disease (b)---------- arsenicosis. The tubewell water (c)---------- arsenic (d)---------- the disease. Hence the (e)---------- possible prevention is to drink (f)---------- water or to drink water from a (g)---------- that is free from (h)----------. For that (i)---------- people should be (j)---------- aware of the tubewells which are safe and which are unsafe.

4. Write a paragraph based on the information relating to arsenic. Use the clues in the box below. Write the information in a logical sequence as it appears in the text. The paragraph should not exceed 70 words.                                                                                 5

poison-----tube well-----affected-----slow-----uncontaminated-----diet-----treatment

5. Answer the following questions :                                                                          1  5 = 5

a. Who are affected by arsenicosis in Bangladesh ?

b. How can the pond water be contaminated ?

c. How canarsenicosis be defended ?

d.How does surface water get polluted in Bangladesh ?

6. Fill in each gap with a suitable word from the text :                                       

Arsenicosis is a (a)---------- which causes a lot of deaths in Bangladesh. It is (b)---------- caused by drinking water (c)---------- much arsenic. It does not (d)---------- people instantly. It (e)----------- builds up in human body. After a long (f)---------- people start to show symptomps and become (g)----------. Wecan save people (h)--------- diseases by (i)---------- awarness. We should remember that drinking safe water is the (j)---------- remedial measure against arsenic poisoning.

7. Write a paragraph in about 70-80 words about the causes and effects of arsenocosis and its remady.                                                                                                                         5

8. Read the passage again and write the main idea of the passage in not more than five sentences.                                                                                                                                  5

9. Fill in thye gap with a suitable word from the box. There are more words than necessary.                                                                                                                                10

flows	different	whirling	hemisphere	blowing	circle
with	strom	changes	terrific	motion	Greek

The word `Cyclone’ is derived from the (a)---------- word `Cyclone’ which means a (b)----------. A cyclone therefore, is a strong wind (c)---------- ina circular (d)----------. It always (e)---------- its direction and (f)---------- at the rate of 60 miles or more per hour. In its nature it is different from an ordinary (g)----------. When very strong wind (h)---------- round the centre of the strom it moves at a (i)---------- speed with an anti clockwise motion in the northen (j)---------- and with clockwise motion in the southern hemisphere, a cyclone occurs.