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Evolution · Question 107

AIPMT 2002MCQEasy📈 Topic in 38% papers+4−1
1

According to fossils which discovered up to present time, origin and evolution of man was started from

  1. Java
  2. Africa
  3. China
  4. France

Answer

(2) Africa

Solution

As per NCERT, about 2 mya Australopithecines probably lived in East African grasslands, and the first human-like being, the hominid Homo habilis, also arose in Africa.

⇒ Homo erectus later migrated out of Africa to Asia (Java man, Peking man) and Europe.

∴ The fossil record shows that the origin and evolution of man started from Africa.

Answer: (2)

AIPMT 2002

Keep practising — Evolution

2

In which condition, the gene ratio remains constant for any species population ?

  1. Gene flow
  2. Mutation
  3. Sexual selection
  4. Random mating
AIPMT 2002
3

Sequence of which of the following is used to know the phylogeny ?

  1. DNA
  2. r-RNA
  3. m-RNA
  4. t-RNA
AIPMT 2002
4

In which era reptiles were dominant ?

  1. Archaeozoic era
  2. Mesozoic era
  3. Coenozoic era
  4. Paleozoic era
AIPMT 2002
5

Half life period of C14 is : -

  1. 5000 years
  2. 50 years
  3. 500 years
  4. 5 104 years
AIPMT 2001
6

Similarities in organism with different genotype indicates : -

  1. Divergent evolution
  2. Macroevolution
  3. Convergent evolution
  4. Microevolution
AIPMT 2001
7

Reason of diversity in living beings : -

  1. Mutation
  2. Short term evolutionary change
  3. Long term evolutionary change
  4. Gradual change
AIPMT 2001
8

Which of the following is closest relative of man ?

  1. Gorilla
  2. Chimpanzee
  3. Gibbon
  4. Orangutan
AIPMT 2001
9

Which of the following is correct order of the evolutionary history of man ?

  1. Peking man, Heidelberg man, Neanderthal man, Cro-Magnon man
  2. Peking man, Neanderthal man, Homo sapiens, Cro-Magnon man
  3. Peking man, Neanderthal man, Homo sapiens, Heidelberg man
  4. Peking man, Homo sapiens, Neanderthal man, Cro-Magnon man
AIPMT 2001
10

First life on earth was : -

  1. Autotrophs
  2. Photoautotrophs
  3. Cyanobacteria
  4. Chemoheterotrophs
AIPMT 2001
11

Forthcoming generations are less adaptive than their parental generation due to

  1. Genetic drift
  2. Natural selection
  3. Mutation
  4. Adaptation
AIPMT 2001

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