Chapter 1

EVS (Environmental Studies) Class 5

57 of 57 questions

57
Total Questions
17
Easy
30
Medium
10
Hard
Q1
easyGeneral Concepts
What are the five main senses that animals and humans share?
A.Seeing, hearing, tasting, smelling, touching
B.Running, jumping, swimming, climbing, flying
C.Thinking, feeling, remembering, deciding, dreaming
D.Eating, sleeping, breathing, walking, talking
Q2
mediumSenses of Insects
How did the guard ant recognize its fellow ant at the entrance of the hole?
A.By its sound
B.By the scent trail it left
C.By its color
D.By its movement pattern
Q3
easyExperiment Observation
When you block the ants' path with a pencil, how do the ants find their way again?
A.They guess the direction
B.They follow the scent trail around the obstacle
C.They ask other ants
D.They wait until the obstacle is removed
Q4
easyAnimal Behavior
Why are mosquitoes attracted to humans according to the chapter?
A.They see bright colors
B.They hear human voices
C.They follow the smell and heat of the body
D.They detect movement
Q5
mediumSenses of Mammals
Which sense do dogs primarily use to detect other animals in their territory?
A.Sight
B.Hearing
C.Smell
D.Touch
Q6
mediumExperiment Observation
In the Try This activity with ants, what did students note about how ants move after their path was blocked?
A.They stopped moving
B.They formed a circle
C.They went under the obstacle
D.They followed the scent trail around it
Q7
easyHuman Sense of Smell
Why do humans sometimes cover their nose when cleaning someone else's nappy?
A.Because they dislike the smell
B.To protect from germs
C.To breathe better
D.To keep warm
Q8
mediumDiscussion Points
Which example illustrates that perception of good or bad smell is subjective?
A.Ants following sugar
B.Mosquitoes finding humans
C.Sushila smelling her nephew's nappy differently
D.Eagles hunting roti
Q9
easyBird Vision
What behavior do birds with eyes on either side of the head exhibit when they need to see around?
A.They blink rapidly
B.They turn their heads
C.They close one eye
D.They hop around
Q10
mediumHuman Vision
How does vision differ when looking with one eye versus both eyes, as experienced in the classroom activity?
A.Objects appear closer with one eye
B.Depth perception improves with both eyes
C.Color perception changes with one eye
D.Hearing is sharper with both eyes open
Q11
hardAnimal Vision
Why can some daytime-active animals see more colors than nocturnal ones?
A.They have more rods in their eyes
B.They have more cones for color vision
C.They have larger pupils
D.They have wider field of view
Q12
mediumBird Vision
From what distance can an eagle see a roti on the ground?
A.2 meters
B.4 meters
C.8 meters
D.16 meters
Q13
easySound Transmission
In the desk-tapping activity, how did the sound change when you placed your ear on the desk?
A.The sound got fainter
B.The pitch changed
C.The sound became sharper and louder
D.There was no change
Q14
mediumAquatic Life
How do fishes give alarm signals according to the chapter?
A.By sound waves
B.By changing color
C.By electric signals
D.By rapid movement
Q15
hardNatural Events
What unusual behavior did tribes in the Andaman Islands observe before the 2004 tsunami?
A.Birds singing louder
B.Animals behaving differently
C.Fish jumping out of water
D.Insects disappearing
Q16
mediumReptile Senses
How do snakes perceive sound without external ears?
A.Through their tongue
B.Through vibrations on the ground
C.Through their skin
D.Through their teeth
Q17
easyMarine Communication
How do dolphins communicate messages to each other?
A.By hand signals
B.By whistles and clicks
C.By changing skin color
D.By electric pulses
Q18
mediumAnimal Behavior
Why do some animals hibernate during cold seasons?
A.To escape predators
B.To conserve energy when food is scarce
C.To migrate to warmer areas
D.To shed old skin
Q19
easyMammal Behavior
Approximately how many hours a day does a sloth spend sleeping?
A.6 hours
B.12 hours
C.17 hours
D.24 hours
Q20
hardSloth Facts
How many trees does a sloth typically move through in its lifetime?
A.2 trees
B.8 trees
C.20 trees
D.50 trees
Q21
mediumBig Cat Senses
What special function do the tiger's whiskers serve?
A.To attract mates
B.To sense air vibrations and help in the dark
C.To spray scent
D.To store food
Q22
mediumAnimal Communication
How far away can a tiger's roar be heard?
A.500 meters
B.1 kilometer
C.3 kilometers
D.5 kilometers
Q23
hardConservation Issues
What are the main threats to tigers mentioned in the chapter?
A.Climate change and storms
B.Poaching and habitat destruction
C.Volcanic eruptions
D.Floods and tsunamis
Q24
mediumConservation
Which National Park was mentioned as a protected area for tigers?
A.Sundarbans
B.Kaziranga
C.Jim Corbett
D.Gir Forest
Q25
easyHuman Hearing
Why do singers put their hand on their ear according to the ‘What we have learnt' section?
A.To cover their earwax
B.To block outside noise and hear their voice better
C.To show they are thinking
D.To keep warm
Q26
mediumAnimal Senses
List two animals from the chapter that have a very strong sense of smell.
A.Cats and parrots
B.Dogs and ants
C.Eagles and sparrows
D.Sloths and giraffes
Q27
easyGrammar – Prepositions
Fill in the blank with the correct preposition: The eagle soared ___ the sky.
A.in
B.on
C.at
D.by
Q28
mediumGrammar – Verb Forms
Identify the verb tense: “Mosquitoes can find you by the smell of your body.”
A.Simple present
B.Present continuous
C.Modal + base form
D.Past simple
Q29
hardGrammar – Voice
Change to passive voice: “Ants follow the scent trail.”
A.The scent trail are followed by ants.
B.The scent trail is followed by ants.
C.Ants is followed by the scent trail.
D.The scent trail was followed by ants.
Q30
mediumGrammar – Parts of Speech
Which part of speech is the word “sharpest” in the sentence: “Put your hands behind your ears and the sound was sharper.”?
A.Noun
B.Verb
C.Adjective
D.Adverb
Q31
mediumGrammar – Subject-Verb Agreement
Correct the sentence: “Sloths live for about 40 years and moves only eight trees.”
A.Sloths live for about 40 years and move only eight trees.
B.Sloths lives for about 40 years and move only eight trees.
C.Sloths live for about 40 years and moving only eight trees.
D.Sloths lived for about 40 years and move only eight trees.
Q32
easyGrammar – Imperative
In the paper dog craft instructions, what verb form is used in “Cut a long strip of thick paper”?
A.Infinitive
B.Imperative
C.Present continuous
D.Past simple
Q33
mediumGrammar – Conjunctions
Which conjunction best completes the sentence: “Ants follow the scent trail, ___ they reach the food source quickly.”?
A.but
B.and
C.so
D.or
Q34
mediumGrammar – Adverbs
Identify the adverb in: “They leave a smell on the ground quickly.”
A.leave
B.smell
C.quickly
D.ground
Q35
hardGrammar – Question Tags
Rewrite using a question tag: “Ants follow the scent trail, ___?”
A.don't they
B.do they
C.aren't they
D.isn't it
Q36
easyPedagogical Aims
What is the main purpose of the ‘Think and Tell' exercises in the chapter?
A.To practice drawing
B.To encourage critical thinking and observation
C.To memorize definitions
D.To learn grammar rules
Q37
mediumHands-on Activities
Which activity helps students learn about spatial positions in the chapter?
A.Dropping sugar for ants
B.Desk-tapping for sound
C.Paper dog craft
D.Hands behind ears listening
Q38
mediumHuman-Animal Interaction
How do humans benefit from dogs' sense of smell as discussed in the chapter?
A.For hunting
B.For rescue operations and detecting diseases
C.For flying
D.For seeing at night
Q39
easyConservation Vocabulary
What do we call people who kill animals illegally for profit?
A.Hunters
B.Poachers
C.Conservationists
D.Rangers
Q40
mediumExperiment Observation
Which experiment in the chapter helps students explore sound vibration?
A.Ant trail experiment
B.Desk tapping with ear on desk
C.Paper dog craft
D.Sloth sleep clock
Q41
hardMathematical Application
What fraction of the day is the sloth awake if it sleeps 17 hours?
A.1/4
B.1/3
C.1/2
D.1/17
Q42
mediumHuman Vision
Which sense is primarily tested when students catch a tossed ball with one eye closed?
A.Taste
B.Sight and depth perception
C.Smell
D.Touch
Q43
easyBig Cat Behavior
How do tigers mark their territory?
A.By roaring loudly
B.By scratching trees
C.By spraying urine on vegetation
D.By leaving footprints
Q44
mediumHuman-Animal Interaction
Which sense helps a dog locate hidden objects in search-and-rescue operations?
A.Sight
B.Hearing
C.Smell
D.Touch
Q45
hardSensory Biology
What term describes the ability to detect vibrations through touch or other receptors?
A.Olfaction
B.Gustation
C.Tactile sense
D.Vision
Q46
mediumAnimal Vision
What is the function of cones in the eyes of daytime animals?
A.Detecting light intensity
B.Detecting color
C.Detecting movement
D.Detecting temperature
Q47
easyGrammar – Sentence Types
Which grammatical structure is exemplified by the instruction “Write the names of ten animals”?
A.Interrogative sentence
B.Imperative sentence
C.Exclamatory sentence
D.Declarative sentence
Q48
mediumPedagogical Aims
Which section of the chapter encourages students to collect information and write a report?
A.Think and Tell
B.Let's make a paper dog
C.Find out
D.What we have learnt
Q49
hardBird Vision
Why do birds like eagles and vultures have better long-distance vision?
A.They have more rod cells
B.They have a higher density of cone cells in their retina
C.They blink less often
D.They have larger beaks
Q50
easyWriting Exercise
Which writing task asks students to express personal preferences about smells?
A.Think and Tell
B.Write
C.Discuss
D.Say it with sounds
Q51
mediumInstruction Vocabulary
In the paper dog craft, what does the verb 'hook together' imply?
A.Glue parts
B.Cut parts
C.Join parts by interlocking
D.Paint parts
Q52
mediumAnimal Adaptations
How does the chapter illustrate the concept of adaptation in sloths?
A.By showing their hunting technique
B.By describing their long sleep cycles
C.By explaining their color vision
D.By detailing their diet diversity
Q53
easyObservation Skills
What learning outcome is targeted by asking students to observe a dog sniffing around?
A.Understanding canine diet
B.Recognizing the dog's sense of smell in action
C.Measuring dog speed
D.Identifying dog species
Q54
mediumData Interpretation
Which animal's sleep pattern is shown on a 24-hour clock in the chapter?
A.House lizard
B.Sloth
C.Cow
D.Tiger
Q55
hardMathematical Application
What fraction of the day does the sloth spend sleeping if it sleeps 17 hours?
A.1/4
B.1/3
C.17/24
D.7/24
Q56
mediumPedagogical Methods
How does the chapter encourage critical thinking through experiments?
A.By giving multiple-choice quizzes
B.By having students design their own experiments
C.By guiding observations like ants' paths and sound tests
D.By lecturing about animal senses
Q57
mediumMathematical Application
Which activity in the chapter involves using fractions implicitly?
A.Ant trail experiment
B.Sloth sleep clock
C.Paper dog craft
D.Desk-tapping experiment