Question # 1

Inherited characters are called:

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Genes

Traits

Genetics

Fertilization

Cytocine always makes pair with :

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Guanine

Hydrogen

Adenine

Thymine

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

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1951

1953

1955

1957

Dominant alleles are represented by ______ letter and recessive alleles by _____ letter.

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Capital lowercase

Lowercase, capital

Lower case, lowercase

Capital, capital

These are unit of inheritance.

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Genes

Alleles

Phenotype

Genotype

Chromatin is made up of:

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DNA

Protein

DNA+ Protein

None of these

Cytosine always makes pair with.

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Guanine

Hyydrogen

Adenine

thymine

Specific sequence of DNA nucleotides is copied in the form of mRNA in a process.

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Replication

Translation

Inheritance

Transcription

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

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Nucleosomes

Ribosomes

Lysosomes

mRNA

Branch of biology that deals with the study of inheritance is called as:

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Artificial selection

Natural selection

Genetics

Histology

Charles Darwin proposed that organisms produce many more offspring than can possible survive on the limited amount of resources available to them. According To Darwin, the offspring that are most likely to survive are those that.

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Are born first and grow fastest

Are largest and most aggressive

Have no natural predators

Are best adapted to the environment.

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

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22

23

24

25

Genetics is the branch of biology in which we study:

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Functions

Fossils

Inheritance

Evlution

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

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