Unseen Passage for Class 3 - Passage 12
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Dogs, often regarded as highly intelligent creatures, possess remarkable sensory abilities, particularly in their sense of smell, which surpasses that of humans by many times. This heightened olfactory sense enables them to identify and recognize scents with great accuracy.
One notable application of their olfactory prowess is in detecting explosives, showcasing the valuable role dogs play in security and safety measures. Their keen sense of smell allows them to identify and locate substances that might go unnoticed by humans.
Aside from their extraordinary smelling abilities, dogs also exhibit remarkable hearing capabilities. Their auditory perception is five times more acute than that of humans, allowing them to detect sounds and frequencies beyond our range of hearing.
Interestingly, when dogs are born, they are initially deaf, blind, and toothless. These faculties develop gradually as they grow, contributing to their overall sensory repertoire. As they mature, dogs become more adept at navigating their environment through improved vision, hearing, and the growth of teeth.
Dogs, known for their social nature, typically enjoy living in groups. However, some may exhibit a preference for solitude, choosing to live independently. This diversity in social behavior adds to the intriguing complexity of canine personalities.
Highlighting the resilience of certain breeds, the Alaskan Malamute stands out for its ability to endure extremely cold temperatures. Capable of withstanding as low as -70 degrees, this breed showcases the adaptability of dogs to diverse environmental conditions.
Adding to their diversity, dogs come in a variety of body colors. Commonly observed colors include white, brown, black, and an array of mixed patterns, each contributing to the unique and distinct appearances of different dog breeds.
Furthermore, dogs have played integral roles in various aspects of human history, from being loyal companions to performing specialized tasks. Their versatility and ability to form strong bonds with humans have solidified their position as one of the most beloved and cherished domesticated animals worldwide.
Q1) What sense in dogs is many times greater than that of humans?
A. Hearing
B. Smell
C. Sight
D. Taste
Answer: B. Smell
Q2) In what area are dogs often used to detect substances like explosives?
A. Sight
B. Hearing
C. Smell
D. Taste
Answer: C. Smell
Q3) What is the hearing power of dogs compared to humans?
A. Twice as much
B. Three times more
C. Five times more
D. Equal
Answer: C. Five times more
Q4) What are dogs when they are born?
A. Deaf, blind, and toothless
B. Only deaf
C. Only blind
D. Only toothless
Answer: A. Deaf, blind, and toothless
Q5) What develops gradually as dogs grow?
A. Sight only
B. Hearing only
C. Teeth only
D. All of the above
Answer: D. All of the above
Q6) What is the social nature of dogs?
A. They prefer to live alone
B. They enjoy living in groups
C. They are indifferent to social settings
D. They are always aggressive
Answer: B. They enjoy living in groups
Q7) Which breed can endure temperatures as low as -70 degrees?
A. Beagle
B. Alaskan Malamute
C. Dachshund
D. Poodle
Answer: B. Alaskan Malamute
Q8) What is the meaning of 'versatility' as used in the passage?
A. Unpredictability
B. Adaptability
C. Stubbornness
D. Rigidity
Answer: B. Adaptability
Q9) What is the meaning of "olfactory prowess" as used in the passage?
A. Visual abilities
B. Sense of taste
C. Sense of touch
D. Sense of smell
Answer: D. Sense of smell
Q10) What is the meaning of 'canine personalities' as used in the passage?
A. Feline characteristics
B. Human characteristics
C. Dog characteristics
D. Reptilian characteristics
Answer: C. Dog characteristics