Biology
General
Easy
Question
Phrase ‘Survival of the Fittest’ was used by
- Hugo de Vries
- Charles Darwin
- Herbert Spencer
- Jean Baptiste Lamarck
The correct answer is: Herbert Spencer
Herbert Spencer (1820-1903) used the words ‘survival of the fittest’ for natural selection. According to it, in the struggle for existence, only those individuals survive, which possess the most useful variations. This has been called natural selection by Darwin.
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If 
the values of 'x' satisfying this equation are
If the values of 'x' satisfying this equation are
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A of Russia and …B…. of England proposed that the first form of life could have come from …C… non-living organic molecule
Choose the right option for A,B and C to compete the given NCERT statement
A of Russia and …B…. of England proposed that the first form of life could have come from …C… non-living organic molecule
Choose the right option for A,B and C to compete the given NCERT statement
BiologyGeneral
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The finches of Galapagos islands provide an evidence in favour of
The finches of Galapagos islands provide an evidence in favour of
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Lamarck’s concept of inheritance of acquired characters was discarded by
I. Mendel’s laws of inheritance
II. Theory of natural selection
III. Mutational theory
IV. Theory of continuity of germplasm
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Lamarck’s concept of inheritance of acquired characters was discarded by
I. Mendel’s laws of inheritance
II. Theory of natural selection
III. Mutational theory
IV. Theory of continuity of germplasm
Choose the correct combination of the given options to complete the given statement
BiologyGeneral
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Galapagos islands are located in
Galapagos islands are located in
BiologyGeneral
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and
are closely related and have similar adapatations for the same habitat. This phenomenon is
and are closely related and have similar adapatations for the same habitat. This phenomenon is
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Evolution occurs when
Evolution occurs when
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The …A… from the sun broke up water into hydrogen and oxygen and the …B… escaped. Oxygen combined with ammonia and methane to form …C… . 
and others. The ozone layer was formed. As it cooled, the water vapour fell as rain, to fill all the depressions and form …D…
Choose the correct option for A,B,C and D to complete the given paragraph, to NCERT textbook
The …A… from the sun broke up water into hydrogen and oxygen and the …B… escaped. Oxygen combined with ammonia and methane to form …C… . and others. The ozone layer was formed. As it cooled, the water vapour fell as rain, to fill all the depressions and form …D…
Choose the correct option for A,B,C and D to complete the given paragraph, to NCERT textbook
BiologyGeneral
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Which one of the following amino acid was not found to be synthesized in Miller’s experiment?
Which one of the following amino acid was not found to be synthesized in Miller’s experiment?
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The best description of natural selection is
The best description of natural selection is
BiologyGeneral
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Atavism is
Atavism is
BiologyGeneral
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Which of the following pairs is correct?
Which of the following pairs is correct?
BiologyGeneral
Biology
A good example for recapitulation theory is
A good example for recapitulation theory is
BiologyGeneral
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Although all mammals have some common characters, but they shows conspicuous differences due to
Although all mammals have some common characters, but they shows conspicuous differences due to
BiologyGeneral
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Select the examples which favours the mutational theory of evolution
I. Ancon sheep II. Hornless cattle
III. Cicer gigas IV. Novel oranges
V. Hairless cat VI. Double toed cat
The correct combination is
Select the examples which favours the mutational theory of evolution
I. Ancon sheep II. Hornless cattle
III. Cicer gigas IV. Novel oranges
V. Hairless cat VI. Double toed cat
The correct combination is
BiologyGeneral
