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

Question # 1

Inherited characters are called.

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Genes

Traits

Genetics

Fertilization

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Question # 2

Genetics is the branch of biology in which we study:

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Functions

Fossils

Inheritance

Evlution

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Question # 3

International breeding between individuals for certain traits, or combination of traits is called as.

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Variations

Evolution

Natural selection

Artificial selection

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Question # 4

Formation of messenger RNA from DNA is called:

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Translocation

Transcription

Transduction

Translation

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Question # 5

An organism has two different alleles for a single trait. Its genotype is said to be:

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Homozygous

Heterozygous

Holozygous

Hemizygous

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Question # 6

DNA wraps around histone protein and forms-rounded structures called as

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Nucleosomes

Ribosomes

Lysosomes

mRNA

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Question # 7

Which is favourable variation in moths after industrial revolution?

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Light colour

Medium colour

Dark colour

None of these

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Question # 8

How many genetically different kinds of gametes an individual with genotype AAbb can produce?

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Question # 9

These are unit of inheritance.

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Genes

Alleles

Phenotype

Genotype

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Question # 10

THe location or position of genes on chromosomes are called:

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Loci

Alleles

Phenotypes

Genotypes

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Question # 11

James Watson and Francis Crick proposed the structure of DNA in.

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1953

1963

1933

1922

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Question # 12

Dominant Alleles are represented by:

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Small letters

Capital letters

Roman numbers

Numerical numbers

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