Question # 1

Kitab Al-Hayawan is the book of _____________

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Aristotle

Al Jahiz

Whittaker

Linnaeus

The bio-chemical reactions in which large molecules are synthesized is called:

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Anabolism

Catabolism

Metabolism

Enzymatic reaction

Robert Hooke able to magnify thin slices of cork .......... times.

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10

20

30

40

Which one is the lowest taxon of classification?

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Genus

Order

Species

Phylum

In turner's syndrome female have ................. chromosomes .

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46

45

47

22

The tentative explanation of the observation is called

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Problem

Hypothesis

Deduction

Result

Which of the following organelle is found in both prokaryotes and eukaryotes?

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Ribosomes

Mitochondria

Chloroplast

Endoplasmic reticulum

There are _______________ major groups of plant tissues.

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1

2

3

4

Cytokinesis in a plant cell is characterized by:

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The equal division of homologous chromosomes

A pinching off of the cell membrane to divide the cell

The formation of a cell plate in the cytoplasm

The movement of the chromosomes from the metaphase plate

Five-kingdom classification of Whittaker was modified by:

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Margulis

Schwarts

E-Chatton

Both A and B

Oesophague is .......... centimeters long.

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10 cm

25 cm

20 cm

None

Which one are the sites of protein synthesis?

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Nucleus

Mitochondria

Endoplasmic reticulum

Ribosomes

.................. is most abundant substance in human body.

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Water

Carbon

Nitrogen

Phosphorus

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