Question # 1

The hard outer layer of a bone is called;

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Bone marrow

Hyoid bone

Spongy bone

Compact bone

Which of the following is the abiotic part of ecosystems?

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Grass

Goat

Lion

Soil

Find the correct match for the fermentation product and the organism involved:

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formic acid -Aspergillus

ethanol -Bacillus

Glycerol - Aspergillus

Glycerol -Bacillus

Primary source of energy for all ecosystem is.

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Electricity

Sun

Fire

Nutrients

The utilization of nitrates by organisms is called.

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Nitrification

Ammonification

Assimilation

Denitrification

The last step of genetic engineering is:

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insertion of the gene into a vector

isolation of the gene of interest

growth of the GMO

expression of the gene

For gaseous exchange the leaf and young stems have in their epidermis:

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Stomata

Lenticels

Companion cell

Guard cells

The name of tube between kidney and urinary bladder is.

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Ureter

Urethra

Renal tubula

Nephron

In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is:

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grass

grasshopper

sparrow

hawk

No. of hydrogen bonds between Adenine and thymine is:

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2

3

4

5

All living thing had been created in their current form only a few thousand years ago. This idea is known as:

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Theory of special creation

Evolution

Variations

None of these

Aspirin is categorized as:

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A drug from animals

A synthetic durg

A drug form plants

A drug from minerals

The process of formation of protein is:

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Translation

Duplication

Mutation

Replication

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