- 1(current)
Q. No.Assertion (A): Adenine cannot pair with cytosine.
Reason (R): Adenine specifically forms hydrogen bonds with guanine whereas cytosine forms hydrogen bond with thymine.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Adenine specifically forms hydrogen bonds with guanine whereas cytosine forms hydrogen bond with thymine.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Nucleic Acid | Nucleic Acid: Nucleotides |
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Assertion (A): The heterocyclic compounds in nucleic acids are the nitrogenous bases.
Reason (R): There are five types of nitrogenous bases which exists naturally.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): There are five types of nitrogenous bases which exists naturally.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Nucleic Acid | Nucleic Acid: Nucleotides |
81%
From NCERT
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Q. No.
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