Looking with One or Both Eyes
1. Why do birds move their necks frequently?
a) Their necks are very flexible
b) Their eyes are fixed and cannot move
c) They enjoy moving their necks
d) It helps them balance while flying
2. What is the advantage of birds having eyes on the sides of their heads?
a) It helps them see their prey better
b) It increases their field of vision
c) It makes their heads look bigger
d) It helps them fly faster
3. Which of the following birds has forward-facing eyes like humans?
a) Pigeon
b) Parrot
c) Owl
d) Peacock
4. When one eye is closed while catching a ball, what happens?
a) It becomes easier
b) It makes no difference
c) It becomes more difficult
d) The ball appears larger
5. How do eagles and vultures have such sharp eyesight?
a) They have larger pupils
b) They can see four times farther than humans
c) Their eyes can move in different directions
d) They have an extra pair of eyes
Answers & Explanation:
1. b) Birds’ eyes are fixed, so they must move their necks to see in different directions.
2. b) Birds with side-facing eyes can see more around them, helping detect predators.
3. c) Owls have forward-facing eyes, which help them focus on prey.
4. c) Depth perception is reduced when one eye is closed, making it harder to judge distances.
5. b) Eagles and vultures can see four times farther than humans, allowing them to spot prey from a great distance.
Do Animals See Colours?
1. Animals that are awake during the night usually see:
a) All colours like humans
b) Only black and white
c) Only shades of red and blue
d) In infrared vision
2. Animals that are active in the daytime can see:
a) All colours like humans
b) Some colours
c) Only black and white
d) Only shades of grey
3. Which animal can see ultraviolet light, which humans cannot?
a) Owl
b) Butterfly
c) Dog
d) Tiger
4. What is an advantage of having eyes positioned on the sides of the head?
a) It helps in seeing colours better
b) It helps in detecting predators easily
c) It helps in focusing on a single object
d) It helps in recognizing movement patterns
5. Which of the following statements is true?
a) All animals see the same colours as humans
b) No animals can see colours
c) Some animals see only in black and white, while others see some colours
d) Animals can see more colours than humans
Answers & Explanation:
1. b) Nocturnal animals typically see only in black and white, which helps them in low light.
2. b) Diurnal animals can see some colours but not as vividly as humans.
3. b) Butterflies can detect ultraviolet light, which humans cannot see.
4. b) Animals with side-facing eyes can see a wider area, helping them avoid predators.
5. c) Different animals have different colour vision; some see in black and white, while others see limited colours.
Sounds Send Messages
1. How do langurs warn others about danger?
a) By running away
b) By making a special warning call
c) By attacking the predator
d) By hiding in trees
2. What is a common way birds communicate danger?
a) By changing their colours
b) By giving specific alarm calls
c) By flying in circles
d) By making nests in a different place
3. How do fish send alarm signals?
a) By making loud sounds
b) By changing their body colour
c) By using electric signals
d) By jumping out of water
4. How do snakes hear sounds?
a) They use their external ears
b) They detect vibrations on the ground
c) They rely on their tongues
d) They use their tails to sense sound
5. Why do some animals behave strangely before an earthquake?
a) They can sense changes in air pressure
b) They can feel vibrations before humans
c) They can hear the ground cracking
d) They get confused by the weather
Answers & Explanation:
1. b) Langurs give special warning calls when they sense danger.
2. b) Birds make different alarm calls for different dangers.
3. c) Some fish produce electric signals to warn others.
4. b) Snakes do not have external ears but can sense ground vibrations.
5. b) Many animals detect earthquake vibrations before humans do.
