MHT-CET

13. Molecular Basis of Inheritance question bank (Biology)

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Q1.

Match the enzyme in Column $I$ with its role in Column $II$:

Column $I$	Column $II$
$1$. Ligase	$a$. Peptide bond formation
$2$. Ribozyme	$b$. Hydrolysis of lactose
$3$. Permease	$c$. Joining of Okazaki fragments
$4$. $\beta$-galactosidase	$d$. Increases permeability

Choose the correct answer from the following options.

(A)

$1-c, 2-a, 3-d, 4-b$

(B)

$1-c, 2-d, 3-a, 4-b$

(C)

$1-c, 2-b, 3-d, 4-a$

(D)

$1-a, 2-c, 3-d, 4-b$

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Q2.

Match the researchers in Column-$I$ with their work given in Column-$II$.

Column-$I$	Column-$II$
$i$. Avery,McCarty,and MacLeod	$a$. $DNA$ digested by DNAse inhibits transformation of $R$ cells to $S$ cells.
$ii$. Griffith	$b$. $DNA$ replication is semi-conservative.
$iii$. Hershey and Chase	$c$. Used Streptococcus pneumoniae.
$iv$. Meselson and Stahl	$d$. Used radioactive Sulphur and Phosphorus.

Select the correct option from the following.

(A)

$i-a, ii-c, iii-b, iv-d$

(B)

$i-c, ii-b, iii-a, iv-d$

(C)

$i-a, ii-c, iii-d, iv-b$

(D)

$i-a, ii-d, iii-c, iv-b$

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