Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
Which statement about the structure of viroids is FALSE?
They are composed of double-stranded RNA.
They lack a protein coat.
They have a circular RNA molecule.
They are smaller than viruses.
Which bond is responsible for linking the sugar-phosphate backbone of RNA?
Phosphodiester bond
Hydrogen bond
Ionic bond
Disulfide bond
Which of the following is NOT a characteristic of RNA?
It is single-stranded.
It contains uracil.
It has ribose sugar.
It forms a double helix structure.
Unlike DNA, RNA typically does NOT:
Contain uracil
Contain ribose sugar
Participate in protein synthesis
Form a double helix structure
Which of these statements accurately describes a key structural difference between DNA and RNA?
DNA contains uracil, while RNA contains thymine.
DNA has ribose sugar, while RNA has deoxyribose sugar.
DNA is single-stranded, while RNA is double-stranded.
DNA is double-stranded, while RNA is single-stranded.
All the following properties are true for RNA, except
Uracil is present instead of thymine
Ribose sugar is present
2'OHย group is absent
RNA chemically more reactive as compared to DNA
All the following properties are true for RNA, except
Uracil is present instead of thymine
Ribose sugar is present
2'OHย group is absent
RNA chemically more reactive as compared to DNA
An ATP molecule is structurally most similar to a molecule of
RNA nucleotide
DNA nucleotide
Amino acid
Fatty acid
An ATP molecule is structurally most similar to a molecule of
RNA nucleotide
DNA nucleotide
Amino acid
Fatty acid
