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

Question # 1

How many contrasting pairs of characters of pea plant were studied bu mendel?

Choose an answer

one

three

five

seven

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Question # 2

It is change in characteristics of a population or species of organisms over the course of generations:

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Replication

Transcription

Evolution

Translation

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Question # 3

Cytosine always makes pair with.

Choose an answer

Guanine

Hyydrogen

Adenine

thymine

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Question # 4

Who developed fundamental principles of genetics?

Choose an answer

Lamark

Gregor mendle

Charles lyll

Charles Darwin

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Question # 5

Chromatin is made up of:

Choose an answer

DNA

Protein

DNA+ Protein

None of these

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Question # 6

In________ James Watson and Francis Crick proposed the structure for DNA.

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1951

1953

1955

1957

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Question # 7

How many hydrogen bounds are formed between adenine and thymine?

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Question # 8

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

Choose an answer

1953

1963

1933

1922

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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

Formation of messenger RNA from DNA is called:

Choose an answer

Translocation

Transcription

Transduction

Translation

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Question # 11

THe location or position of genes on chromosomes are called:

Choose an answer

Loci

Alleles

Phenotypes

Genotypes

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Question # 12

Pisum sativum is scientific name of:

Choose an answer

Onion

Frog

Mustard plant

Pea plant

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Question # 13

Chromosomes carry units of inheritance called as:

Choose an answer

Chromatin

DNA

Genes

None of these

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