|Consider the following statements about vocal learning ability of humans and animals.|
|1. During vocal development, young birds and human infants struggle with similar difficulties and go through a similar stepwise process of learning transitions between syllabus.|
|2. Our closest relatives, apes and monkeys, lack the ability for vocal learning completely.|
|3. Besides humans and songbirds, vocal learning exists in parrots and humming birds, some marine mammals such as whales and dolphins too.|
|Which of the statement(s) given above is/are correct?|
A) 1 and 2
B) 1 and 3
C) Only 3
D) (d) All of these
Correct Answer: B
Solution :[b] Vocal learning is the ability to modify acrostic and syntactic sounds, acquire new sounds via imitation and produce vocalisations. Vocal learning is a critical substrate for spoken language and has only been detected in eight animal groups despite the mide arry of vocalising species, these include human, bats, cetaceans, pinnipeds elephants and three distantly related birds including songbirds, parrots and humming birds.
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