Question # 1

the failure of replicated chromosomes to separate during meiosis is ............... .

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Disjunction

Non-disjunction

Both a & b

None

Phylums are grouped into _____________

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Phylum

Order

Class

Kingdom

Data may consist by :

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Number

Words

Images

All

____________ is called the father of genetics.

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Mendal

Ronald Ross

A.F.A King

All

An example of multi cellular organism is.

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Bacteria

Frog

Euglena

Amoeba

................ is outermost, semi rigid and non-living boundary of plants cell.

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Cell memebrane

Cell wall

Nucleus

Protoplasm

Cells walls are found in these organisms, except for______.

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Plants

Animals

Bacteria

Fungi

The exchange of parts of non-sister chromatids is called:

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Chiasmata

Linkage

Crossing over

None of these

_______________is the granular matrix of nucleus.

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Protoplasm

Nucleoplasm

Cytoplasm

All

Down's syndrome is case of .................. .

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Autosomy

Monosomy

Trisomy

Tetrasomy

The size of a virus is _____________

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40-50 nm

20-40 nm

10-40 nm

30-50 nm

The diseases of Kwashiorkor and marasmus may be due to;

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Mineral deficiency

Over intake of nutrients

Protein-energy malnutrition

Ulcer

There are ............ types of aminoacids.

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10

20

30

40

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Biology 9th Class English Medium Online Test MCQs With Answers

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