- 1(current)
Q. No.The incorrect statement about nucleic acid is:
| 1. | It is responsible for heredity. |
| 2. | It is responsible for protein synthesis in a cell. |
| 3. | It is a constituent of the chromosome. |
| 4. | It is responsible for the transmission of chemical signals. |
Subtopic: DNA, RNA & Metal Ions |
79%
Level 2: 60%+
Hints
The correct statement about RNA is :
| 1. | The helical structure of RNA is mostly single-stranded . |
| 2. | It has deoxyribose sugar. |
| 3. | It is the chemical basis of heredity. |
| 4. | It contains thymine (T) |
Subtopic: DNA, RNA & Metal Ions |
81%
Level 1: 80%+
Hints
A nucleoside is different from a nucleotide as:
| Nucleoside | Nucleotide | |
| 1. | Sugar, Protein | Sugar, Protein, Phosphoric acid |
| 2. | Fatty acid, Base | Fatty acid, Base, Phosphoric acid |
| 3. | Sugar, Base | Sugar, Base, Phosphoric acid |
| 4. | Sugar, Base, Phosphoric acid | Sugar, Base |
Subtopic: DNA, RNA & Metal Ions |
81%
Level 1: 80%+
Hints
Given below are two statements:
Select the most appropriate answer from the options given below:
| Assertion (A): | Two strands of DNA are complementary to each other. |
| Reason (R): | Adenine specifically forms hydrogen bonds with guanine, whereas cytosine forms hydrogen bonds 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: DNA, RNA & Metal Ions |
83%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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