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MDCAT Biology Chapter 9 Life process in Animals & Plants Online Test MCQs With Answers

Question # 1

Genes can be mapped on chromosomes on the basis of

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Sex linkage

Assortment

Recombination frequency

Gene sequencing

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Question # 2

When a haemophilic carrier woman marries a normal man, who among her offspring may be affected

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all her children

all her daughter

half of her daughter

half of her sons

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Question # 3

In case of sickle cell anemia, in place of glutamic acid, _________ is found

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Histidine

Valine

Proline

Leucine

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Question # 4

What is the 5th amino acid in sickle cell beta chain

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Histidine

Proline

Leucine

Valine

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Question # 5

SRY in located at the tip of

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Short arm of X-chromosome

Short arm of Y-chromosome

Long arm of Y-chromosome

Long arm of X-chromosome

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Question # 6

Mutatuons are inherited only if they occur in the

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Gland cells

Gametes

Muscle cells

Somatic cells

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Question # 7

How many kinds of rhodopsins, a blue cone monochromate will have

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No rhodopsins

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Question # 8

Homogenetistic acid is oxidized rapidly when exposed to air, turning the urine

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White

Purple

Blue

Black

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Question # 9

What are chances for having Rh-ve baby if one parent is Rh+ve and (homozygous) and other is Rh-ve

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25%

50%

100%

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Question # 10

Which phenomenon reduces the chances of genetic recombination and variations among offspring ?

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linkage

crossing over

independent assortment

dominance

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Question # 11

Point mutation occurs in

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Sickle cell anemia

Phenylketonuria

Alkaptonuria

All

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