CBSE-CLASS-XII SERIES Biology
Mutation
4 previous year questions.
Volume: 4 Ques
Yield: Medium
High-Yield Trend
4
2024 Chapter Questions 4 MCQs
01
PYQ 2024
medium
biology ID: cbse-cla
(iv) Why is insertional inactivation preferred over the use of selectable markers in cloning vectors?
02
PYQ 2024
medium
biology ID: cbse-cla
Assertion (A): Patents are granted by the government to an inventor.
Reason (R): Patents prevent others from commercial use of an invention.
Reason (R): Patents prevent others from commercial use of an invention.
1
Both (A) and (R) are true and (R) is the correct explanation of (A)
2
Both (A) and (R) are true and (R) is not the correct explanation of (A)
3
(A) is true, but (R) is false
4
(A) is false, but (R) is true
03
PYQ 2024
medium
biology ID: cbse-cla
Who proposed the mutation theory in favour of organic evolution?
1
Weismann
2
Louis Pasteur
3
Darwin
4
Hugo de Vries
04
PYQ 2024
easy
biology ID: cbse-cla
Amniocentesis is a very useful and important technique, but due to some reason there is a statutory ban on amniocentesis. Justify this statement.