MHT-CET

12. Principles of Inheritance and Variation. question bank (Biology)

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Q1.

Based on the statements, choose the correct option given below.
Statement-$I$: Allelic genes lead to individual differences within the species.
Statement-$II$: About $1000$ varieties of mangoes are found in India.

(A)

Statement-$I$ is incorrect but Statement-$II$ is correct.

(B)

Both Statement-$I$ and Statement-$II$ are correct.

(C)

Both Statement-$I$ and Statement-$II$ are incorrect.

(D)

Statement-$I$ is correct but Statement-$II$ is incorrect.

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Q2.

Select the group of $CORRECT$ statements.
$I$. If phenotype of offsprings shows only the dominant trait then the parent plants are heterozygous.
$II$. $A$ true breeding line shows stable trait inheritance and expression for several generations.
$III$. In mendelian experiment material,contrasting characters can be easily recognized.
$IV$. When a single gene controls two (or more) different traits,it is called polygene.
$V$. When interactions occurs between the alleles of different genes present on the same or different chromosome it is called intragenic interaction.

(A)

$III$ and $V$ only

(B)

$II$ and $III$ only

(C)

$III$ and $IV$ only

(D)

$I$ and $V$ only

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