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Biology 10th Class English Medium Chapter 15 Online Test MCQs With Answers

Question # 1

Genetics is the branch of biology in which we study:

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Functions

Fossils

Inheritance

Evlution

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Question # 2

How many pairs of homologous chromosomes are present in human body cells:

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Question # 3

Outside back bone of double helix is made up:

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Sugar

Phosphate

Sugar Phosphate

None of these

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Question # 4

The relationship between the alleles IA and IB of the blood group is:

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complete dominance

incomplete dominance

recessiveness

co-dominance

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Question # 5

Inside of double helix consists of:

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Nitrogenous bases

sugar

sugar Phosphate

Phosphate

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Question # 6

Genes consist of.

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RNA

mRNA

Protein

DNA

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Question # 7

The points of attachment of genes on chromosomes are called.

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Transcription

Translation

Loci

Phenotype

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Question # 8

The are how many hydrogen bonds between cytosine and guanine?

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one

two

three

four

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Question # 9

An organism's expressed physical trait, such as seed colour or pod shape is called its.

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Genotype

Phenotype

Physical type

Karyotype

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Question # 10

Alternatives forms of a gene are called:

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Allele

DNA

Chromosome

Gamete

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Question # 11

It is a homozygous genotype:

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both A and B

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Question # 12

The organisms expressed physical trait such as seed colour or pod shape is called:

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Genotype

Phenotype

Karyotype

Bodytype

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Question # 13

It is genetic material.

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DNA

RNA

IRNA

rRNA

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