EXPOSITION TEXT PART 3
D. Latihan Soal
Answer the following questions.
Text 1
There is no best way to deal with pests in agriculture. Pesticides which are commonly
used may cause many problems. I think combining different management operations
is the most effective way to control pests.
Firstly, the chemicals in the pesticides may build up as residues in the environment and
in the soil which absorbs the chemicals. This reduces the quality of farm product.
Secondly, pests can gradually become resistant to pesticides. This means that newer
and stronger ones have to be developed.
Lastly, some pesticides affect non target plants and animals such as fish and bees. This
affects the ecology and environment as well.
So, understanding of ecology of an area helps a lot in pest control. Pesticides should be
chosen and applied carefully so that they don’t affect the ecological balance and
environment.
Therefore, integrated pest management is a safe and more effective option to fight pest
in agriculture and livestock.
Answer the following questions.
1. Which of the following is not directly affected by pesticides used?
a. Plants
b. Ecology
c. Animals.
d. Environment.
e. Human Beings
2. What can you say about paragraph two and four?
A. The fourth paragraph supports the idea stated in paragraph two.
B. Both paragraphs tell about the disadvantages of using pesticides.
C. Both paragraphs tell about how pesticides affect the quality of farm products.
D. The statement in paragraph is contrary to the statement in paragraph four.
E. The second paragraph tells about the effects of using pesticides on animals
mentioned in paragraph four.
3. One of the disadvantages of using chemical pesticides is ...
A. killing fish and bees.
B. increasing crops productivity.
C. creating balanced ecosystem.
D. causing the pests to become inactive
E. helping reduce pollutants in the environment.
4. Secondly, pests can gradually become resistant to pesticides. (paragraph 3). The
word resistant in the sentence above means ...
A. weak
B. fragile
C. damage
D. unaffected
E. unbalanced
Text 2
The use of formalin and other dangerous preservatives in food has been serious
problem for three reasons.
Firstly, formalin is not for human beings, but it is for biological specimens and
experiments. Formalin in Biology is a 10% solution of formaldehyde in water which
is usually used as a disinfectant or to preserve biological specimens. Thus, it is not
for food preservatives. Of course when it is used for food preservative, it will be very
dangerous to human’s body.
The second reason is that there is no tight control from the government. This
condition makes the people’s health is really in a threat. When the control is weak
and the use formalin was spread wide all over the Indonesian regions, and these
days it has really happened, the citizen’s bodies will be badly contaminated with the
poisons.
Fish or food traders still sell their products which contain formalin and dangerous
preservatives. Can you imagine that our digestive system absorbs the substance that
should be for the human and animal corpses?
Considering the reasons, we can make a conclusion that the use of formalin and
other preservatives is really a serious problem if it is not resolved immediately.
5. Why is formalin dangerous for human`s body?
A. It is not food preservatives
B. It is a disinfectant for human beings
C. It is used to preserve biological specimens
D. It is 10% solution of formaldehyde in water
E. It is controlled flighty from the government
6. The main idea of paragraph two is ....
A. The human`s bodies will be harmful after consuming the formalin
B. The government has not controlled the use of formalin firmly
C. The weak control of using formalin is not threatening the human
D. The human`s bodies will be harmful after consuming the formalin
E. The use of formalin is known all over the regions
7. Based on the facts above, the writer suggest that ... .
A. People have to avoid consuming formalin in their food
B. The use of formal dehyde is necessary to control the food
C. People should add 100% solution of formaldehyde in water
D. The food preservative is required to make the food delicious
E. Food seller is supposed to pour formalin for vegetables and food products
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