- 1(current)
Q. No.Given below are two statements:
In the light of the above statements choose the correct answer from the options given below:
| Statement I: | A unit formed by the attachment of a base to 1' position of sugar is known as a nucleoside. |
| Statement II: | When nucleoside is linked to a phosphorous acid at 5' position of sugar moiety, we get nucleotide. |
| 1. | Statement I is false but Statement II is true. |
| 2. | Both Statement I and Statement II are true. |
| 3. | Both Statement I and Statement II are false. |
| 4. | Statement I is true but Statement II is false. |
Subtopic: DNA, RNA & Metal Ions |
Level 4: Below 35%
NEET - 2023
Hints
The central dogma of molecular genetics states that the genetic information flows from:
1. amino acid - proteins - DNA
2. DNA - carbohydrates - proteins
3. DNA - RNA - proteins
4. DNA - RNA - Carbohydrates
Subtopic: DNA, RNA & Metal Ions |
94%
Level 1: 80%+
NEET - 2016
Hints
The correct statement regarding RNA and DNA, respectively is:
| 1. | The sugar component in RNA is ribose and the sugar component in DNA is 2'-deoxyribose. |
| 2. | The sugar component in RNA is arabinose and the sugar component in DNA is ribose. |
| 3. | The sugar component in RNA is 2'-deoxyribose and the sugar component in DNA is arabinose. |
| 4. |
The sugar component in RNA is arabinose and the sugar component in DNA is 2’-deoxyribose.
|
Subtopic: DNA, RNA & Metal Ions |
93%
Level 1: 80%+
NEET - 2016
Hints
The segment of DNA, that acts as the instrumental manual for the synthesis of the protein is:
| 1. | Nucleotide | 2. | Ribose |
| 3. | Gene | 4. | Nucleoside |
Subtopic: DNA, RNA & Metal Ions |
61%
Level 2: 60%+
AIPMT - 2009
Hints
In DNA, the complementary bases are:
1. Adenine and thymine; guanine and cytosine
2. Adenine and thymine; guanine and uracil
3. Adenine and guanine, thymine and cytosine
4. Uracil and adenine; cytosine and guanine
Subtopic: DNA, RNA & Metal Ions |
93%
Level 1: 80%+
AIPMT - 2008
Hints
RNA and DNA are chiral molecules due to:
1. L- sugar component
2. Chiral bases
3. Chiral phosphate exter unit
4. D- sugar component
Subtopic: DNA, RNA & Metal Ions |
50%
Level 3: 35%-60%
AIPMT - 2007
Hints
Subtopic: DNA, RNA & Metal Ions |
93%
Level 1: 80%+
AIPMT - 1998
Hints
- 1(current)
Q. No.
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