Select the correct group/set of Australian Marsupials exhibiting adaptive radiation.

NEET-2023 [Evolution] [class-xii ]

• Lemur, Anteater, Wolf
• Tasmanian wolf, Bobcat, Marsupial mole
• Numbat, Spotted cuscus, Flying phalanger
• Mole, Flying squirrel, Tasmanian tiger cat
Correct Option: C  [ Numbat, Spotted cuscus, Flying phalanger ]

Remark:

Natural selection where more individuals acquire specific character value other than the mean character value, leads to:

NEET-2022 [Evolution] [class-xii ]

• Directional change
• Disruptive change
• Random change
• Stabilising change
Correct Option: A  [ Directional change ]

Remark:

Which of the following statements is not true?

NEET-2022 [Evolution] [class-xii ]

• Sweet potato and potato is an example of analogy
• Homology indicates common ancestry
• Flippers of penguins and dolphins are a pair of homologous organs
• Analogous structures are a result of convergent evolution
Correct Option: C  [ Flippers of penguins and dolphins are a pair of homologous organs ]

Remark:

The factor that leads to Founder effect in a population is:

NEET-2021 [Evolution] [class-xii ]

• Natural selection
• Genetic recombination
• Mutation
• Genetic drift
Correct Option: D  [ Genetic drift ]

Remark:

Match List-I with List-II.

NEET-2021 [Evolution] [class-xii ]

• A-III, B-II, C-I, D-IV
• A-II, B-I, C-IV, D-III
• A-I, B-IV, C-III, D-II
• A-IV, B-III, C-II, D-I
Correct Option: D  [ A-IV, B-III, C-II, D-I ]

Remark:

From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask:

NEET-(Sept)2020 [Evolution] [class-xii ]

• CH₄, H₂, NH₃ and water vapor at 800°C
• CH₃, H₂, NH₄ and water vapor at 800°C
• CH₄, H₂, NH₃ and water vapor at 600°C
• CH₃, H₂, NH₃ and water vapor at 600°C
Correct Option: A  [ CH₄, H₂, NH₃ and water vapor at 800°C ]

Remark:

Embryological support for evolution was disapproved by:

NEET-(Sept)2020 [Evolution] [class-xii ]

• Karl Ernst von Baer
• Alfred Wallace
• Charles Darwin
• Oparin
Correct Option: A  [ Karl Ernst von Baer ]

Remark:

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?
A. Darwin's Finches of Galapagos islands.
B. Herbicide resistant weeds.
C. Drug resistant eukaryotes.
D. Man-created breeds of domesticated animals like dogs.

NEET-(Sept)2020 [Evolution] [class-xii ]

• only (A)
• (A) and (C)
• (B), (C) and (D)
• only (D)
Correct Option: C  [ (B), (C) and (D) ]

Remark:

Flippers of Penguins and Dolphins are examples of:

NEET-(Sept)2020 [Evolution] [class-xii ]

• Adaptive radiation
• Convergent evolution
• Industrial melanism
• Natural selection
Correct Option: B  [ Convergent evolution ]

Remark:

After about how many years of formation of earth, life appeared on this planet?

NEET-(Oct)2020 [Evolution] [class-xii ]

• 500 billion years
• 50 million years
• 500 million years
• 50 billion years
Correct Option: C  [ 500 million years ]

Remark: