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CBSE Questions for Class 5 Evs A Treat For Mosquito Quiz 2 - MCQExams.com
CBSE
Class 5 Evs
A Treat For Mosquito
Quiz 2
Why are microscopes used to view blood?
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They makes things look thousand times bigger
0%
The details inside the blood can be seen clearly
0%
They are cheap
0%
They are easy to handle
Explanation
Blood is studied under a microscope as a microscope makes things look thousand times bigger and thus the details inside the blood can be seen clearly. Hence, correct options are $$A&B$$
Tablets for malaria are made from?
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Leaves of Cinchona tree
0%
Bark of Cinchona tree
0%
Fruit of Cinchona tree
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Root of Cinchona tree
Explanation
Malaria tablets are made from powdered bark of
Cinchona
tree, thus, option $$B$$ is correct
Malaria is caused by the bite of:
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House fly
0%
Honey bee
0%
Anopheles
mosquito
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Ant
Explanation
Usually, people get malaria by being bitten by an infective female
Anopheles
mosquito.
Infected mosquitoes carry the
Plasmodium
parasite. When this mosquito bites you, the parasite is released into your bloodstream.
Thus, the correct answer is $$C$$.
Choose whether true or false:-
Malaria happens to everyone who gets bitten by a mosquito
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True
0%
False
Explanation
Not all mosquitoe bites are malaria-causing, malaria spreads only by the disease carrying
mosquitoes. Thus, the given statement is false
Rajat was diagnosed with?
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Fever
0%
Dengue
0%
Malaria
0%
Cold
Explanation
Rajat was diagnosed with Malaria. Thus, the correct option is $$C$$.
Choose whether true or false:-
Earlier people used to eat tablets for malaria
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0%
True
0%
False
Explanation
Earlier people used to boil the
Cinchona
bark powder and strain the water which was given
to patients. Now tablets are made from this. Thus, the given statement is false
Anaemia is caused due to less_______
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Haemoglobin
0%
Blood
0%
Nutrients
0%
Vitamins
Explanation
Anaemia is a deficiency of haemoglobin or iron in blood, thus, option $$A$$ is correct.
Anemia happens due to deficiency of
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Iron
0%
Hemoglobin
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Red blood cells
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All of the above
Which of the following was used to make a medicine for malaria?
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Anopheles tablet
0%
Neem leaves
0%
Bark of the Cinchona tree
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None of these
Explanation
From early times, the dried and powdered bark of the Cinchona tree was used to make a medicine for malaria. Thus, option $$C$$ is correct
Coolers and tanks must be be dried every________
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Month
0%
Day
0%
Week
0%
Year
Explanation
The water pots, coolers and tanks clean should be dried every week in order to prevent growth of mosquitoes in our surrounding. Thus, option $$C$$ is correct.
Choose whether true or false:-
Anaemia affects only physical health
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True
0%
False
Explanation
Anaemia affects both physical as well as mental health of children, thus, the given statement is false
How should we stop water from being collected around our houses?
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By closing taps
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By cleaning the water
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By filling up the pits
0%
None of these
Explanation
Collection of water around the house can be avoided by filling up the open pits around the house, thus, option $$C$$ is correct
Larvae are?
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Adult mosquitoes
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Baby mosquitoes
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Female mosquitoes
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Male mosquitoes
Explanation
Larvae are baby mosquitoes they don't look like mosquitoes at all.
Thus, option $$B$$ is correct
Which of the following is not an effect of Anaemia?
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Children do not grow well
0%
Energy levels of children are low
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Affects their ability to study properly
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Provide iron to blood.
Explanation
Anaemia is a loss of iron in blood thus, option $$D$$ is incorrect. Rest all options are a consequence of Anaemia
Which of these is not a necessity to be kept clean to avoid spread of dengue?
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0%
Water pots
0%
Coolers
0%
Tanks
0%
House
Explanation
The water pots, coolers and tanks must be kept clean to avoid spread of dengue through mosquitoes. Thus, option $$D$$ is incorrect
Choose whether true or false:-
Larvae are grey in colour
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True
0%
False
Explanation
Larvae are tiny thread-like and grey in colour. Thus, the statement is true
Spray________ if water has collected at some place
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Perfume
0%
Kerosene
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Milk
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Oil
Explanation
Kerosene prevents the growth of mosquitoes in water thus, option $$B$$ is correct
How can protect ourselves from mosquitoes?
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By killing the mosquitoes
0%
By changing our location
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By using mosquitoes nets
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By using mosquitoes repellents
Explanation
Mosquitoes repellents as well as net could be used to prevent them biting us, thus, options $$C&D$$ are correct.
What is the normal range of haemoglobin in blood?
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10-12 gm/dl
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8-12 gm/dl
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12-16 gm/dl
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16-18 gm/dl
Explanation
According to the pathology report of Aarti, the normal blood range is 12-16 gm/dl
Which of the following is a source of iron?
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0%
Green vegetables
0%
Amla
0%
Jaggery
0%
All of the above
Explanation
Iron is an important component of haemoglobin. It carries oxygen from the lungs to different parts of the body. Sources of iron include sunflower seeds, nuts, beef, beans, green leafy vegetables, tofu, amla, jaggery.
Thus, the correct answer is option D.
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