Question # 1

Adenine always pairs with:

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Guanine

Cytosine

Uracil

thymine

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

The structure of RNA model was proposed by:

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Charles Darwin

c.de Buffon

J.de Lamarck

4

It is a genetic material:

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DNA

RNA

tRNA

rRNA

Transmission of Characters from parent to offspring is called.

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Inheritance

Mutation

Regeneration

Repreduction

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

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Homozygous

Heterozygous

Holozygous

Hemizygous

The specific combination of genes in an individual is called:

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Phenotype

Genotype

Karyotype

Gepotype

____________ hydrogen bonds are present between cytosine and guanine:

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2

3

4

5

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

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22

23

24

25

In an arranged data the value lying in the middle is called:

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Average

Median

Mode

All of them

On which vegetable , Mendel carried out a large number of experiments?

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Pea

Tomatto

Potato

Gabbage

The allele which is not expressed is called:

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Dominant

Phenotype

Genotype

Recessive

Charles Darwin published a book "on the origin of species by means of Natural Selection" in:

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1858

1859

1889

1890

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10th Class Biology Chapter 15 Inheritance English Medium KPK Boards Online Mcqs MCQs With Answers

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