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Online Tests
Biology 10th Class English Medium Chapter 15 Online Test MCQs With Answers
Question # 1
Chromosomes carry units of inheritance called as:
Choose an answer
Chromatin
DNA
Genes
None of these
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Question # 2
Variatations show distinct phenotypes and phenotypes of such variations cannot be measured by:
Choose an answer
Discontinuous variations
Continuous variations
Both a and b
None of these
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Question # 3
Chromatin is made up of:
Choose an answer
DNA
Protein
DNA+ Protein
None of these
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Question # 4
These are unit of inheritance :
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Genes
Alleles
Phenotype
Genotype
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Question # 5
Adenine always pairs with:
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Guanine
Cytosine
Uracil
thymine
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Question # 6
Cytosine always makes pair with.
Choose an answer
Guanine
Hyydrogen
Adenine
thymine
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Question # 7
In a nucleosome , DNA is wrapped around protein named:
Choose an answer
Insulin
Interferon
Histone
haemoglobin
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Question # 8
In a nucleosome, DNA is wrapped around protein named.
Choose an answer
Insulin
Interferon
Histone
Haemoglobin
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Question # 9
Dominant Alleles are represented by:
Choose an answer
Small letters
Capital letters
Roman numbers
Numerical numbers
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Question # 10
Outside back bone of double helix is made up:
Choose an answer
Sugar
Phosphate
Sugar Phosphate
None of these
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Question # 11
DNA is surronded by a protein and form a structure called:
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Nucleotide
Nucleoside
Nucleosome
Nucleus
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Question # 12
The relationship between the alleles IA and IB of the blood group is:
Choose an answer
complete dominance
incomplete dominance
recessiveness
co-dominance
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Question # 13
Inherited characters are called:
Choose an answer
Genes
Traits
Genetics
Fertilization
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