Online Test

Question # 1

Prior to cell replicates or duplicates its genetic material , the products are connected by a centromere and are called:

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Sister chromosomes

Homologous chromosomes

Non-sister chromatids

Sister chromatids

_____________ is the total variety of life on earth.

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Biological diversity

Chemical divesity

Physical diversity

All of above

Oxygen takes part in aerobic respiration is:

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Glycolysis

Link step between Glycolysis and Krebs cycle

Krebs cycle

Electron transport chain

Chlamydomonas is an example of _______________

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Monera

Protista

Fungi

Plantae

Enzymes accelerate reactions by_______the activation energy needed for the reaction.

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Stopping

Raising

Lowering

Binding

The pancreatic juice contains ............. enzymes.

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Two

Three

Four

Five

In which season Houbara bustard migrates to Pakistan and settles here?

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Summer

Spring

Autumn

Winter

Forest community is an example o f____________ community.

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Simple

Complex

Coordinated

None

Stomach is an example of :

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Tissue level

Organ level

Organ system level

None

____________ is a co-enzyme.

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NAD⁺

NADH

AMP

None

It is a group of related phyla:

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Kingdom

Class

Order

Family

Classes are grouped into ____________

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Phylaum

Order

Class

Kingdom

Which of the following does not occur in the oral cavity?

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Lubrication of the food

Beginning of protein digestion

Breaking the food into small fragments

All of the above do occur in the oral cavity

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