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Evolution · Question 121

AIPMT 2000MCQEasy📈 Topic in 75% papers+4−1
1

Which is not a vestigial organ in man?

  1. Segmental muscles of abdomen
  2. Third molar
  3. Coccyx
  4. Nails

Answer

(4) Nails

Solution

Vestigial organs are reduced, functionless remnants of organs that were functional in ancestors.

In man, segmental muscles of the abdomen, third molars (wisdom teeth) and the coccyx (tail vertebrae) are vestigial organs.

Nails are functional structures (protect the tips of fingers and toes) ⇒ not vestigial.

Answer: (4)

AIPMT 2000

Keep practising — Evolution

2

Homo sapiens have evolved in

  1. Pleistocene
  2. Paleocene
  3. Oligocene
  4. Holocene
AIPMT 2000
3

Character which is closely related to human evolution

  1. Reduction in size of jaws
  2. Disappearance of tail
  3. Flat nails
  4. Binocular vision
AIPMT 2000
4

Which evidence of evolution related to Darwin's finches?

  1. Evidences from comparative anatomy
  2. Evidences from embryology
  3. Evidences from biogeographical distribution
  4. Evidences from palaeontological
AIPMT 2000
5

Who is directly related to man?

  1. Gorilla
  2. Orangutan
  3. Gibbon
  4. Rhesus
AIPMT 2000

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