Question # 1

Classes are grouped into ____________

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Classes

Phyla

Family

Order

Cell membrane is ....................... .

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Selectively permeable

Impaemeable

Totally permeable

None

_____________ have same number of chromosomes.

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Species

Genus

Family

Phyla

Ribosomes are constructed in the ______.

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Endoplasmic reticulum

Nucleoid

Nucleolus

Nuclear pore

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

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Autosomy

Monosomy

Trisomy

Tetrasomy

There are _______________ chromosomes in onion.

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46

18

16

23

Which of these clues would tell you whether a cell is prokaryotic or eukaryotic?

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The presence or absence of a cell wall

Whether or not the cell is partitioned by internal membranes

The presence or absence of ribosomes

Whether or not the cell contains DNA

The lowest taxon among the following is:

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Genera

Class

Order

Families

Find the correct path of blood circulation.

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Left atrium, left ventricle, lungs, right atrium, right ventricle, body

Right atrium, right ventricle, lungs, left atrium, left ventricle ,body

Left atrium, left ventricle, right atrium, right ventricle, lungs body

Right atrium, lungs, right ventricle, left atrium, body , left ventricle

Species that are in same ____________ are more closely related than species that are in the same _____________

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Phylum ........ Class

Family... Order

Class... Order

Family....Genus

A cubic millimeter of blood contain about ............. million RBCs.

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5

10

15

20

Which one is the lowest taxon of classification?

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Genus

Order

Species

Phylum

Transplantation of kidneys is example of.

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Medicine

Morphology

Physiology

Surgery

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