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CBSE Notes 2011-2012 » X-Science-Term2

Heredity and Evolution

Select the group which shares maximum number of common characters:

Multiple choice question

Select the group which shares maximum number of
common characters:

According to the evolutionary theory, formation of a new species is generally due to

Multiple choice question

According to the evolutionary theory, formation of a new
species is generally due to

From the list siven below, select the character which can be acquired but not inherited

Multiple choice question

From the list siven below, select the character which can be acquired but not inherited

The two versions of a trait (character) which are brought in by the male and female gametes are situ...

Multiple choice question

The two versions of a trait (character) which are brought
in by the male and female gametes are situated on

Select the statements that describe characteristics of genes : (i) Genes are specific sequence of ba...

Multiple choice question

Select the statements that describe characteristics of genes :
(i) Genes are specific sequence of bases in a DNA
molecule
(ii) A gene does not code for proteins
(iii) In individuals of a given species, a specific gene
is located on a particular chromosome
(iv) Each chromosome has only one gene

In peas, a pure tall plant (TT) is crossed with a short plant (tt). The ratio of pure tali plants to...

Multiple choice question

In peas, a pure tall plant (TT) is crossed with a short plant
(tt). The ratio of pure tali plants to short plants in F2 is

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