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Biology

General

Easy

Question

The age of fossils or dating of fossils can be best estimated by

Radioactive carbon $(C^{14})$ dating method
Radioactive nitrogen method
Radioactive clock method
None of the above

The correct answer is: Radioactive carbon $left parenthesis C to the power of 14 end exponent right parenthesis$ dating method

Radioactive carbon $left parenthesis C to the power of 14 end exponent right parenthesis$ dating method is used to study the age of fossils or dating of fossils.

Related Questions to study

First life on the earth originated from non-living matters has been explained by

First life on the earth originated from non-living matters has been explained by

Malay Archipalago stands for

Malay Archipalago stands for

Natural selection can lead to …A… in which more individuals acquire mean character value, …B…. more in which individuals acquire value other than the mean character value and …C… in which more individuals acquire peripheral character value at both ends of the distribution curve
Choose the correct options for A,B and C to complete the given statement with reference to NCERT text book

Natural selection can lead to …A… in which more individuals acquire mean character value, …B…. more in which individuals acquire value other than the mean character value and …C… in which more individuals acquire peripheral character value at both ends of the distribution curve
Choose the correct options for A,B and C to complete the given statement with reference to NCERT text book

parallel

All the existing life forms share …A… and share …B… ancestors. The geological history of earth closely correlates with …C… history of earth.
Choose the right option for A,B and C to complete the given statement with reference to NCERT text book

All the existing life forms share …A… and share …B… ancestors. The geological history of earth closely correlates with …C… history of earth.
Choose the right option for A,B and C to complete the given statement with reference to NCERT text book

Mutational theory of evolution was given by

Mutational theory of evolution was given by

$A u s t r a l o p i t h e c u s$ existed in

$A u s t r a l o p i t h e c u s$ existed in

parallel

In the origin of life, microspheres are most primitive protobiont, which have a membrane of

In the origin of life, microspheres are most primitive protobiont, which have a membrane of

Amoug the human ancestors, the brain size was more than 1000 cc in

Amoug the human ancestors, the brain size was more than 1000 cc in

Prehistoric cave art developed about …A… years ago. Agriculture came around …B… years back and human settlements started. Choose an appropriate option for A and B to complete the given NCERT statement

Prehistoric cave art developed about …A… years ago. Agriculture came around …B… years back and human settlements started. Choose an appropriate option for A and B to complete the given NCERT statement

parallel

A brief reduction in size of a population, due to natural calamities, usually leads to random genetic drift’. For this statement, identify the correct example from the following.

A brief reduction in size of a population, due to natural calamities, usually leads to random genetic drift’. For this statement, identify the correct example from the following.

The natural selection that acts against change in the form and keeps the population constant through the time is

The natural selection that acts against change in the form and keeps the population constant through the time is

$A u s t r a l o p i t h e c u s blank a f r i c a n u s$ is also known as

$A u s t r a l o p i t h e c u s blank a f r i c a n u s$ is also known as

parallel

Tendrils in plants are an example of

Tendrils in plants are an example of

Hugo de Vries based on his work on …A… brought forth the idea of …B…, large difference arising suddenly in a population. He believed that it is mutation which causes evolution and not the …C… that Darwin talked about. Mutations are random and …D…, while Darwinian variations are small and …E…
Choose the correct option for A,B,C,D and E to complete the given statement

Hugo de Vries based on his work on …A… brought forth the idea of …B…, large difference arising suddenly in a population. He believed that it is mutation which causes evolution and not the …C… that Darwin talked about. Mutations are random and …D…, while Darwinian variations are small and …E…
Choose the correct option for A,B,C,D and E to complete the given statement

Which of the following statements correctly defines the phenomenon of genetic drift?
I. Random change in gene allele frequency

II. Occur by chance

III. It is directional

IV. Causes elimination of certain alleles

V. Causes fixation of alleles

The correct combination is

Which of the following statements correctly defines the phenomenon of genetic drift?
I. Random change in gene allele frequency

II. Occur by chance

III. It is directional

IV. Causes elimination of certain alleles

V. Causes fixation of alleles

The correct combination is

parallel

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