Question # 1

The are how many hydrogen bonds between cytosine and guanine?

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one

two

three

four

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

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Average

Median

Mode

All of them

No. of hydrogen bonds between Adenine and thymine is:

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2

3

4

5

Among following which is example of co-dominance?

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Blood group A

Blood group B

Blood group AB

Blood group O

Expression of genotype in the form of trait is:

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Genome

Phenotype

Complete dominance

Incomplete dominance

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

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Replication

Translation

Inheritance

Transcription

All living thing had been created in their current form only a few thousand years ago. This idea is known as:

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Theory of special creation

Evolution

Variations

None of these

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

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1951

1953

1955

1957

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

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1858

1859

1889

1890

How many contrasting pairs of characters of pea plant were studied bu mendel?

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one

three

five

seven

The allele which is not expressed is called:

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Dominant

Phenotype

Genotype

Recessive

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

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Genotype

Phenotype

Karyotype

Baby type

The location of position of ganes on chromosomes is called.

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Loci

Alleles

Phenotypes

Genotype

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

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

Variatations show distinct phenotypes and phenotypes of such variations cannot be measured by:

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Discontinuous variations

Continuous variations

Both a and b

None of these

Variation selected for their transmission to next generation are:

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Favourable

Continuous

Discontinuous

None of these

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

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Pea

Tomatto

Potato

Gabbage

____________ hydrogen bonds are present between cytosine and guanine:

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2

3

4

5

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

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complete dominance

incomplete dominance

recessiveness

co-dominance

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