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

Question # 1

In dihybrid cross the genotypic ratio of F2 generation is:

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1 : 1 ; 1 : 1

1 :3 :1 : 1

1 : 2 : 2 : 1

9 : 3 : 3 : 1

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Question # 2

In human body cells the number of chromosomes present are:

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Question # 3

It is the process by which the better genetic variations become more common in successive generations of population:

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Variation

Artificial selection

Selective breeding

Natural selective

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Question # 4

The organisms expressed physical trait such as seed colour or pod shape is called:

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Genotype

Phenotype

Karyotype

Bodytype

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Question # 5

International breeding between individuals for certain traits, or combination of traits is called as.

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Variations

Evolution

Natural selection

Artificial selection

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Question # 6

It is genetic material.

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DNA

RNA

IRNA

rRNA

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Question # 7

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

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Replication

Translation

Inheritance

Transcription

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Question # 8

Alternatives forms of a gene are called:

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Allele

DNA

Chromosome

Gamete

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Question # 9

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

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Artificial selection

Natural selection

Genetics

Histology

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Question # 10

How many hydrogen bounds are formed between adenine and thymine?

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Question # 11

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 # 12

It is a homozygous genotype:

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both A and B

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Question # 13

____________ hydrogen bonds are present between cytosine and guanine:

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