Question # 1

The relationship between the alleles IA and IB of the blood group is:

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complete dominance

incomplete dominance

recessiveness

co-dominance

These are unit of inheritance :

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Genes

Alleles

Phenotype

Genotype

It is a situation where two different alleles of gene pair express themselves completely, instead of showing a dominant recessive relationship is called.

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Incomplete dominance.

Co-dominatice

Complete dominatnce

None of these

The structure of RNA model was proposed by:

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Charles Darwin

c.de Buffon

J.de Lamarck

4

It is genetic material.

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DNA

RNA

IRNA

rRNA

Ribosome 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

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

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Average

Median

Mode

All of them

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

Among following which is example of co-dominance?

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Blood group A

Blood group B

Blood group AB

Blood group O

Formation of messenger RNA from DNA is called:

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Translocation

Transcription

Transduction

Translation

It is a homozygous genotype:

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AA

aa

Aa

both A and B

Chromatin material is made of:

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DNA

Protein

RNA

DNA and Protein

In a nucleosome , DNA is wrapped around protein named:

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Insulin

Interferon

Histone

haemoglobin

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

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