Question # 1

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

All living thing had been created in their current form only a few thousand years ago. This idea is known as:

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Theory of special creation

Evolution

Variations

None of these

In the structure of DNA Adenine of one nucleotide pairs with which of the nitrogenous base opposite nucleotide:

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Guanine

Cytosine

Thymine

Uracil

Genes consist of.

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RNA

mRNA

Protein

DNA

Ribisome reads the sequence of mRNA nucleotides and joins specific amino acids to form protein. This step is known as:

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Combination

Replication

Transcription

Translation

The characteristics which appear in an organism are called:

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Genotype

Karyotype

Phenotype

Body type

A purple flowered pea plant has the genotype PP, which of the following statements about this plant is FALSE.

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Its phenotype will be white flowers .

It has a homozygous dominant genotype.

When bred to a white flowered plant all offspring will be purple flowered.

All the gametes produced will have the same flower colour allele

It is a situation where in heterozygous genotypes, both the alleles express as a blend and neither allele is dominant over the other:

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Incomplete dominance

Co-dominance

Complete dominance

None of these

The points of attachment of genes on chromosomes are called.

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Transcription

Translation

Loci

Phenotype

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

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1951

1953

1955

1957

Dominant Alleles are represented by:

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Small letters

Capital letters

Roman numbers

Numerical numbers

Transmission of characteristics from parents to offsprings is called as:

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Replication

Inheritance

co-dominance

Mutation

Inherited characters are called.

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Genes

Traits

Genetics

Fertilization

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

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