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

Question # 1

Branch of Biology is which we study about inheritance.

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Pharmacology

Physiology

Ecology

Genetics

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Question # 2

Which of the following statement regarding genes is FALSE.

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Genes are located on chromosomes

Genes consist of a long sequence of DNA

A gen contains information for the production of a protein

Each cell contain a single copy of every gene.

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Question # 3

The points of attachment of genes on chromosomes are called:

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Transcription

Translation

Loci

Phenotype

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Question # 4

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

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1953

1963

1933

1922

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Question # 5

Inherited characters are called.

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Genes

Traits

Genetics

Fertilization

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Question # 6

Who developed fundamental principles of genetics?

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Lamark

Gregor mendle

Charles lyll

Charles Darwin

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Question # 7

These are unit of inheritance :

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Genes

Alleles

Phenotype

Genotype

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Question # 8

ABO blood system is controlled by a gene I The number of alleles I.The number of alleles of this gene are:

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two

three

five

many

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Question # 9

The points of attachment of genes on chromosomes are called.

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Transcription

Translation

Loci

Phenotype

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Question # 10

Cytosine always makes pair with.

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Guanine

Hyydrogen

Adenine

thymine

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Question # 11

Chromosomes carry units of inheritance called as:

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Chromatin

DNA

Genes

None of these

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Question # 12

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

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1953

1963

1933

1922

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Question # 13

The genotype of wrinkled green seeds was:

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RRyy

RyYr

RRYY

rryy

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