Question # 1

the molecule formed by two amino acids is called.

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Peptide linkage

dipeptide

Both A and C

Peptide bond

The exchange of gases between the organism and its environment is called.

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Respiration

External respiration

Cellular respiration

Anaerobic respiration

Animal obtain carbohydrates mainly from.

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Glycogen

Sucrose

Glucose

Starch

Which is not a lymphoid mass.

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Liver

Thymus

spleen

Tonsils

Which statement about nucleolus is not true

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Synthesize site for RNA

Composed of two regions

Without membranous boundary

Hereditary center

The study of microorganism includes bacteria, virus, protozoan and microscopic algae and fungi is.

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Parasitology

Molecular biology

Microbiology

Bio technology

Common name for pyrophyte is

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Euglenoids

Dinoflagellates

Diatoms

Kelps

Coral reefs are mostly formed. of.

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Calcium carbonate

Silica

Chitin

Lignin

The percentage by weight of RNA in a bacteria cell is.

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0.25%

2%

3%

6%

Example of apicomplexans is.

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Vorticella

Plasmodium

Sentor

Amoeba

Which of the following is not true about histamine.

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Produced by basochills

cause inflammation

Causes dilation of blood capillaries

Released by Eosinophils

Percentage of carbohydrates in mammalian cell.

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1%

4%

6%

8%

To biological function of a protein is determined by its

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Primary structure

Secondary structure

Tertiary structure

Quaternary structure

Asthma is associated with severe paroxysm of difficult.

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Sleeping

Walking

spoking

Breathing

Which metal atom is present in chlorophyll.

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Cu

Fe

Mg

K

The size of parvovirus is.

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100 nm

20 nm

250 nm

350 nm

Larva of Mollusca and annelids

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Radula

Planula

Trocophore

Germmula

Which of the following is not found in all bacteria is

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Cell membrane

A nucleoid

Flygella

None of these

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