1. With the arrival of winter, the mosquitoes go in hiding but they still remain a menace that is tolerated by all
and sundry, whether rich or poor throughout the year.Using repellents made by various companies foreign
or Indian that are flooding the markets in different brands and types assures all a safer sleep, protected
from the mosquitoes’ bites.
2. But, in studies that have been carried out by experts, Neem oil would be a better mosquito repellent when
compared to the market’s repellents in terms of cost and impact on human health. The studies have
revealed that the domestic Neem tree, of a botanical name of Azadirachta indica, has amazing repellent
properties against mosquitoes’ movements.
3. The Neem oil, which is produced from the fruits of the Neem tree, can provide a more than ninety per cent
protection from the mosquitoes responsible for malaria, and is effective on dreadful dengue carrier parasites
too.The most attractive feature of Neem oil is that it is cheaper.
4. The study emphasized instruction of the people especially in rural areas to use it for their personal
protection. Market-based repellents like coils, mats, vaporizers etc. usually contain parallelthrin or allethrin
as the main compound with insecticidal properties. But, the repellents of these synthetic chemicals are not
proven as non—hazardous products due to toxins. The study of Industrial Toxicological Research Institute,
Lucknow, has revealed that some serious health consequences have been reported after the use of
synthetic repellents. Abnormal facial sensations, sneezing, sniffing, dizziness, fatigue, skin reaction etc.
were the complaints that were recorded.
5. The Malaria Research Centre (MRC), a premier body of the government of India, says that 31 worst effects
of these repellents are seen in the case of children.
1 2. Neem oil, therefore, has been found to be the best solution to the mosquito nuisance and promising a
phytochemical (a plant chemical) in malaria control.
I 3. According to the study, carried out by Dr V.K. Dua and others, application of coconut. oil, with a mixing
of just 2 per cent Neem oil in it, on the exposed body of a human-like face, hands and legs makes for safety
from the mosquitoes’ bites.
I 4• Dr Dua is a scientist in a field station of Malaria Research Centre at Haridwar and data were taken in
the study of Haridwar district.
1. Complete the following statements appropriately. (3)
a. Mosquito repellents are being used by people all over the world _____________.
b. The repellents that are found in the market are unsafe as________________.
c. Neem oil is better mosquito repellent because it_________________
2. What are the negative effects of market based repellents? (any three) (3)
3. What are the uses of neem oil? (2)
4. Find words from the passage which mean the same as the following. (2)
a. very surprising
b. results
Answers
Explanation:
1. With the arrival of winter, the mosquitoes go in hiding but they still remain a menace that is tolerated by all
and sundry, whether rich or poor throughout the year.Using repellents made by various companies foreign
or Indian that are flooding the markets in different brands and types assures all a safer sleep, protected
from the mosquitoes’ bites.
2. But, in studies that have been carried out by experts, Neem oil would be a better mosquito repellent when
compared to the market’s repellents in terms of cost and impact on human health. The studies have
revealed that the domestic Neem tree, of a botanical name of Azadirachta indica, has amazing repellent
properties against mosquitoes’ movements.
3. The Neem oil, which is produced from the fruits of the Neem tree, can provide a more than ninety per cent
protection from the mosquitoes responsible for malaria, and is effective on dreadful dengue carrier parasites
too.The most attractive feature of Neem oil is that it is cheaper.
4. The study emphasized instruction of the people especially in rural areas to use it for their personal
protection. Market-based repellents like coils, mats, vaporizers etc. usually contain parallelthrin or allethrin
as the main compound with insecticidal properties. But, the repellents of these synthetic chemicals are not
proven as non—hazardous products due to toxins. The study of Industrial Toxicological Research Institute,
Lucknow, has revealed that some serious health consequences have been reported after the use of
synthetic repellents. Abnormal facial sensations, sneezing, sniffing, dizziness, fatigue, skin reaction etc.
were the complaints that were recorded.
5. The Malaria Research Centre (MRC), a premier body of the government of India, says that 31 worst effects
of these repellents are seen in the case of children.
1 2. Neem oil, therefore, has been found to be the best solution to the mosquito nuisance and promising a
phytochemical (a plant chemical) in malaria control.
I 3. According to the study, carried out by Dr V.K. Dua and others, application of coconut. oil, with a mixing
of just 2 per cent Neem oil in it, on the exposed body of a human-like face, hands and legs makes for safety
from the mosquitoes’ bites.
I 4• Dr Dua is a scientist in a field station of Malaria Research Centre at Haridwar and data were taken in
the study of Haridwar district.
1. Complete the following statements appropriately. (3)
a. Mosquito repellents are being used by people all over the world _____________.
b. The repellents that are found in the market are unsafe as________________.
c. Neem oil is better mosquito repellent because it_________________
2. What are the negative effects of market based repellents? (any three) (3)
3. What are the uses of neem oil? (2)
4. Find words from the passage which mean the same as the following. (2)
a. very surprising
b. results