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MS
Biology
Mutation - Set 1
Report
1 / 5
Which of the following is
correct
?
Mutation
Mutagens
(A)
Changes in the nucleotide sequence of DNA
Agents that cause mutation
(B)
Agents that cause mutation
Changes in the nucleotide sequence of DNA
(C)
Examples: gamma rays and formaldehyde
Examples: deletion and duplication
Time limit:
00:01:00
A
B
C
None of the above
Difficulty Level:
Medium
Mutation - Set 1
Report
2 / 5
Which of the following are the examples of physical mutagens?
I.
Nuclear radiation
II.
Gamma rays
III.
Benzene
IV.
Carbon tetrachloride
Time limit:
00:01:00
I & II
I & III
II & III
III & IV
Difficulty Level:
Medium
Mutation - Set 1
Report
3 / 5
Which of the following is correct about chromosomal mutation?
I.
An increase in the number of chromosome
II.
A decrease in the number of chromosome
III.
A change in the structure of the chromosome
IV.
Rearrangement of whole blocks of genes
Time limit:
00:01:00
I, II & III
I, II & IV
I, III & IV
All of the above
Difficulty Level:
Medium
Mutation - Set 1
Report
4 / 5
Which of the following inherited diseases caused by gene mutation?
I.
Sickle-cell anaemia
II.
Albinism
III.
Polydactylism
IV.
Down's syndrome
Time limit:
00:01:00
I, II & III
I, II & IV
I, III & IV
All of the above
Difficulty Level:
Hard
Mutation - Set 1
Report
5 / 5
The following statement refers to process K that cause a mutation.
A segment of a chromosome breaks loose and rotate
\(180^\circ C\)
Rejoins the chromosome in a reverse direction
What is process K?
Time limit:
00:01:00
Translocation
Duplication
Deletion
Inversion
Difficulty Level:
Easy
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