Given below are two statements: 
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 phosphorous acid at 5' position of sugar moiety we get nucleotide.
In the light of the above statements choose the correct answer from the options given below:
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 |
From NCERT
NEET - 2023
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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 |
 93%
From NCERT
NEET - 2016
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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%
From NCERT
NEET - 2016
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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 |
 59%
From NCERT
AIPMT - 2009
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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 |
 92%
From NCERT
AIPMT - 2008
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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 |
 52%
From NCERT
AIPMT - 2007
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The base found in DNA but not in RNA:

1. Thymine 2. Adenine
3. Guanine 4. Cytosine
Subtopic:   DNA, RNA & Metal Ions |
 92%
From NCERT
AIPMT - 1998
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