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CBSE Notes 2011-2012 » X-Science-Term2

Heredity and Evolution

Which one provides correct sequence of events in origin of new species according to Darwinism ? (i) ...

Multiple choice question

Which one provides correct sequence of events in origin
of new species according to Darwinism ?
(i) Natural selection
(ii) Variation and their inheritance
(iii) Survival of the fittest
(iv) Struggle for existence

speciation takes place when variation occurs with

Multiple choice question

speciation takes place when variation occurs with

Heredity or inheritance of specific traits became clearer due to

Multiple choice question

Heredity or inheritance of specific traits became clearer
due to

The variation of natural selection operates due to random mutations. What does this imply about natu...

Multiple choice question

The variation of natural selection operates due to random
mutations. What does this imply about natural selection ?

The branch of biology that deals with transmission of characters from one generation to other is ter...

Multiple choice question

The branch of biology that deals with transmission of
characters from one generation to other is termed as

Which of the following is an example of genetic variation ?

Multiple choice question

Which of the following is an example of genetic variation ?

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