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Each single DNA strand is composed of repeating units called .

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Important Questions on Structure of Chromosome

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Science>Biology>Structure of Chromosome>DNA as Hereditary Material

Correct the following statements by changing the underlined words:

Nitrogen bonds are present between the complementary nitrogenous bases of DNA.

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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Plexiglass is a commercial name of:
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
The organic compound used in daily life is _____
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material

Expand the following biological abbreviation:

DNA

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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Name the components of a nucleotide.
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
What name is given to the functional segments of DNA?
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
DNA is a part of a gene.
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Double helical structure of DNA was given by
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
The chemical substance present in gene is RNA. 
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
What is DNA?
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Name the scientists who gave double helical structure of DNA.
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Relation between amino acid and protein is similar to the one found between nucleotides and nucleic acid.
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
In a DNA helix, complementary pairing is always between
MEDIUM
Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Describe the structure of the DNA molecule.
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Chemically DNA differs from RNA by.
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
What is the width of a DNA molecule?
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Draw the structure of a DNA molecule.
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Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Explain the relationship between a chromosome and genes.
MEDIUM
Science>Biology>Structure of Chromosome>DNA as Hereditary Material
List important features of Watson and Crick model of DNA.
EASY
Science>Biology>Structure of Chromosome>DNA as Hereditary Material
Define the term ‘gene’.