Class 5 EVS Chapter 1 Question Answers - Chapter 1 - Super Senses

Q1: Question: How do ants communicate with each other and find their way?
Ans: Ants communicate with each other using their antennae and by leaving a smell on the ground. They find their way by following the smell left by leading ants.

Q2: Question: How can mosquitoes locate humans?
Ans: Mosquitoes can locate humans by sensing the smell of our body, the smell of the soles of our feet, and the heat of our body.

Q3: Question: How do dogs use their sense of smell, and how do humans use it?
Ans: Dogs use their sense of smell to mark their territory and detect other dogs. Humans use a dog's sense of smell for activities like catching criminals or detecting bombs.

Q4: Question: What makes the eyes of birds unique, and why do they need to turn their heads?
Ans: Most birds have eyes on the sides of their heads, which allows them to focus on two different things at a time. Birds need to turn their heads to see around because their eyes are fixed and cannot move.

Q5: Question: Which birds can estimate distance by focusing both eyes on an object?
Ans: Birds like kites, eagles, and vultures can estimate distance by focusing both eyes on an object, which gives them a broader range of vision.

Q6: Question: Can animals see as many colors as humans? Explain.
Ans: No, animals cannot see as many colors as humans. Animals awake during the daytime can see some colors, while those awake at night can usually only see in black and white.

Q7: Question: What advantage do animals with larger ears have in terms of hearing?
Ans: Animals with larger ears can collect more sound waves, making their hearing power stronger than that of animals with smaller ears, including humans.

Q8: Question: How do birds warn others about danger, and why is this important?
Ans: Birds give alarm calls to warn about danger. Some birds even have different warning calls for different kinds of dangers, such as threats from the sky or the ground. This is important to help them protect themselves and their nests.

Q9: Question: Why do some animals go into a long, deep sleep during certain seasons?
Ans: Some animals go into a long, deep sleep during certain seasons as a way to survive when food is scarce or conditions are harsh.

Q10: Question: How does a tiger's sense of hearing and smell help it in the wild?
Ans: A tiger's sense of hearing and smell is highly developed, allowing it to detect prey and threats. Its whiskers can sense movements in the air, and its sharp hearing can distinguish different sounds, including the rustling of leaves or animal movements.