Question # 1

There are ............. types of dietary fibers.

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One

Two

Three

Four

Enzymes accelerate reactions by_______the activation energy needed for the reaction.

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Stopping

Raising

Lowering

Binding

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

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Disjunction

Non-disjunction

Both a & b

None

When we work hard we suffer form muscle fatigue muscle cells.

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Carry out aerobic respiration and so accumulate more CO₂

Carry out anaerobic respiration and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so are tired

The process of lubrication & digestion steels in ............... .

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Oral cavity

Phyranx

Oesophagus

Stomach

Respiration is a.............. process.

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Constructive

DestructIon

Both

None

In which stage of the cell cycle, the cell is preparing enzymes for chromosome duplication.

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G1

G2

S

M

The word photosynthesis is a combination of two ............. words.

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Greek

Latin

German

Freech

Which of the following blood vessels have oxygenated blood?

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Pulmonary artery

Pulmonary vein

Superior vena cave

Inferior vena cave

The fist muslims scietist detailed studies animals was.

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Jbair Bin Hayan

Abdul Malik Asmai

Al-Razi

Bu Ali Sina

The reasons for deforestation are:

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Cities extension

Over population

Fuel purposes

All of the above

The smallest cells of bacteria are celled:

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Plasmodesmata

Plasma membrane

Mycoplasms

Plasmolysis

When fibrinogen makes blood clot, it separates from blood and the remainder is called:

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Plasma

Lymph

Serum

Puss

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