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

Question # 1

We proposed the mechanism of organic evolution in 1838?

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Charles Darwin

Charles lyll

Lamark

Gregor Mendel

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Question # 2

Genetics is branch of biology in which we stydy.

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Functions

Fossils

Inheritance

Evolution

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Question # 3

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

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Capital lowercase

Lowercase, capital

Lower case, lowercase

Capital, capital

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Question # 4

The are how many hydrogen bonds between cytosine and guanine?

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one

two

three

four

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Question # 5

____________ hydrogen bonds are present between cytosine and guanine:

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Question # 6

Among following, which is source of variations?

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Mutation

Crossing over

Gene flow

All of these

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Question # 7

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

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Question # 8

If an organism have genotype of AAbb, How many types of gametes can it produce:

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Question # 9

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 # 10

Genes consist of:

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DNA

RNA

mRNA

Protein

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Question # 11

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 # 12

The alternate forms of a gene are called as:

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Genome

Genotype

Karyotype

None of these

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Question # 13

Cytocine always makes pair with :

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Guanine

Hydrogen

Adenine

Thymine

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