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Chapter 8

EVS (Environmental Studies) Class 5

44 of 44 questions

44
Total Questions
10
Easy
26
Medium
8
Hard
Q1
easyPersonal Experience
What symptom did Rajat experience that led to his diagnosis?
A.Headache
B.Fever
C.Cough
D.Rash
Q2
easyDiagnosis
How was Rajat's malaria confirmed?
A.X-ray
B.Blood test
C.Urine test
D.Skin prick
Q3
easyDisease Transmission
Which type of mosquito spreads malaria?
A.Male Anopheles
B.Female Anopheles
C.Male Culex
D.Female Culex
Q4
mediumDisease Transmission
Why don't all mosquito bites cause malaria?
A.Some mosquitoes aren't big enough
B.Only disease-carrying mosquitoes transmit malaria
C.It depends on the weather
D.Malaria comes from water only
Q5
easyTools
What instrument makes blood cells look a thousand times bigger?
A.Magnifying glass
B.Telescope
C.Microscope
D.X-ray machine
Q6
easyHealth Conditions
Which condition was Aarti diagnosed with from her blood test?
A.Malaria
B.Anaemia
C.Dengue
D.Cholera
Q7
mediumNutrition
Which foods did the doctor recommend to improve Aarti's haemoglobin?
A.Rice and dal
B.Jaggery, amla and leafy greens
C.Bread and butter
D.Fruits and nuts
Q8
mediumBlood Components
What does haemoglobin carry in our blood?
A.Calcium
B.Iron and oxygen
C.Sugar
D.Fats
Q9
mediumTraditional Medicine
What tree bark was used historically to treat malaria?
A.Neem
B.Cinchona
C.Banyan
D.Peepal
Q10
mediumPharmacology
How are modern malaria medicines usually prepared?
A.From leaves
B.From tablets made of bark extract
C.From animal parts
D.From synthetic dyes
Q11
mediumPrevention
What does the malaria-warning poster advise regarding water?
A.Leave it standing
B.Cover and dry containers weekly
C.Heat it before use
D.Mix it with oil
Q12
easyLife Cycle
What are mosquito larvae?
A.Pupa stage
B.Baby mosquitoes
C.Dead mosquito parts
D.Larvae of flies
Q13
easyLife Cycle
Where do female mosquitoes lay their eggs?
A.In dry soil
B.On leaves
C.In stagnant water
D.In tree bark
Q14
mediumPrevention
What action did Nancy's father take to prevent mosquito breeding?
A.Added sugar to water
B.Cleaned, dried, and inverted the pot
C.Filled it with sand
D.Covered it with cloth
Q15
easyPrevention
Which household item can be used as a mosquito net alternative?
A.Plastic sheet
B.Cotton cloth
C.Wire mesh
D.Paper
Q16
mediumHealth Conditions
What is the medical term for low haemoglobin?
A.Hypertension
B.Diabetes
C.Anaemia
D.Arthritis
Q17
mediumLaboratory Values
What is the normal haemoglobin range given in the report?
A.10–12 gm/dl
B.12–16 gm/dl
C.8–10 gm/dl
D.16–20 gm/dl
Q18
mediumLaboratory Values
What was Aarti's haemoglobin level on her first test?
A.10.5 gm/dl
B.8 gm/dl
C.12 gm/dl
D.16 gm/dl
Q19
mediumData Interpretation
By how much did Aarti's haemoglobin increase on her next test?
A.1.5 gm/dl
B.2.5 gm/dl
C.3.5 gm/dl
D.4.5 gm/dl
Q20
mediumEnvironmental Observation
During which season does algae spread more around taps?
A.Winter
B.Summer
C.Rainy
D.Autumn
Q21
hardHistorical Context
What currency was used to pay malaria patients for mosquito bites in Ross's experiments?
A.Rupee
B.Anna
C.Paisa
D.Dollar
Q22
mediumKey Figures
Who won the Nobel Prize for discovering the malaria transmission cycle?
A.Louis Pasteur
B.Alexander Fleming
C.Ronald Ross
D.Robert Koch
Q23
mediumKey Figures
Where did Ronald Ross conduct his mosquito-biting experiments?
A.Kolkata hospital
B.Delhi clinic
C.Secundrabad hospital
D.Mumbai lab
Q24
mediumKey Figures
Which mosquito species did Ross observe with spotted wings?
A.Culex pipiens
B.Anopheles with spotted wings
C.Aedes aegypti
D.Mansonia uniformis
Q25
mediumDiscovery
What did Ross find inside the mosquito's stomach?
A.Blood cells
B.Water droplets
C.Malaria parasites
D.Air bubbles
Q26
mediumDiscovery
When did Ronald Ross receive his Nobel Prize?
A.1900
B.1902
C.1905
D.1910
Q27
mediumTerminology
What does the word ‘malaria' literally mean?
A.Bad water
B.Bad air
C.Bad blood
D.Bad insects
Q28
mediumPrevention
Why are fish recommended in water tanks to prevent mosquitoes?
A.They clean the water
B.They eat mosquito larvae
C.They produce oxygen
D.They scare mosquitoes away
Q29
mediumPrevention
What effect does spreading oil on stagnant water have?
A.Kills fish
B.Prevents larvae from breathing
C.Increases evaporation
D.Attracts mosquitoes
Q30
easyEnvironmental Observation
What green growth was found around the school taps?
A.Moss
B.Algae
C.Lichen
D.Fungus
Q31
hardEnvironmental Observation
Name one plant that can grow in stagnant water beside drains.
A.Rose
B.Lotus
C.Algae
D.Mango
Q32
hardCommunity Responsibility
Who should clean and maintain school drains to prevent mosquito breeding?
A.Students
B.School gardener
C.Municipal authorities
D.Parents
Q33
easyDocuments
What document contains diagnosis and haemoglobin values?
A.Prescription slip
B.Clinical pathology report
C.Newspaper article
D.Textbook chapter
Q34
mediumKey Figures
Why did Ross forbid fanning during dissections?
A.It would cool the sample
B.The mosquitoes would fly away
C.It would spread dust
D.It interfered with the microscope
Q35
mediumDisease Transmission
Which other diseases are mentioned as spread by mosquitoes?
A.Cholera and typhoid
B.Dengue and chikungunya
C.Tuberculosis and malaria
D.Hepatitis and dengue
Q36
mediumDisease Transmission
Which disease is noted as spread by houseflies?
A.Malaria
B.Stomach problems
C.Dengue
D.Anaemia
Q37
mediumHealth Education
Where should prevention posters ideally be displayed?
A.Inside homes only
B.Around schools and public places
C.Behind closed doors
D.In private offices
Q38
mediumPrevention
How often should water pots and coolers be dried to prevent breeding?
A.Daily
B.Weekly
C.Monthly
D.Yearly
Q39
hardGrammar
Identify the past tense verbs in this sentence: “They took 2–3 drops of blood.”
A.They, took
B.Took
C.They, drops
D.Blood
Q40
hardGrammar
Which of these is a noun phrase from the first paragraph?
A.Had fever
B.Blood test
C.Softly replied
D.Many days
Q41
hardGrammar
Find two adjectives used to describe the mosquitoes in Ross's experiments.
A.Brownish, spotted
B.Large, small
C.Fast, slow
D.Happy, sad
Q42
mediumGrammar
Form a question: “They took 2–3 drops of blood for testing.”
A.Did they take 2–3 drops of blood for testing?
B.They took how many drops of blood?
C.Who took 2–3 drops of blood?
D.What did they take?
Q43
hardGrammar
Rewrite in active voice: “Anaemic children are given iron tablets.”
A.They give iron tablets to anaemic children.
B.Doctors give anaemic children iron tablets.
C.Anaemic children give iron tablets.
D.Iron tablets are given.
Q44
hardGrammar
Identify the direct speech in this sentence: “Who wants to play when you have fever!”
A.Who wants to play
B.When you have fever
C.Have fever
D.Play when