Question # 1

Respiratory pigment present in muscles is called ______

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Myoglobin

Globin

Haemoglobin

Haemocyanin

In earthworm exchange of gases mainly takes place through.

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Gills

Lungs

Skin

Ostla

The irritant substances of smoke generally cause

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Smoker's hiccough

Smoker's sneeze

Smoker's yawing

Smoker's cough

Which one is the structure of respiratory system of man.

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Larynx

Syrinx

Esophagus

duodenum

Parabronchi are present in

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Man

Cat

Birds

Frog

Why hemoglobin is 98% saturated, the oxygen content per 100 ml of blood is.

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19.6 ml

18.6 ml

17.6 ml

16.6 ml

Emphysema is the breakdown of

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Trachea

Bronchi

Alveoli

Bronchioles

Respiratory organs in fish are

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Lungs

Gills

Skin

Fins

A liter of H2O contains ml of oxygen.

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10

20

30

40

Blood contains ______ oxygen per 100 ml of blood when haemoglobin is 98% saturated

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19.6 ml

18.6 ml

16.6 ml

17.6 ml

Walls of the chest cavity are composed of

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Ribs

Intercostal muscle

Ribs and intercostal muscle

Ribs, intercostal muscle and diaphragm

Asthma is associated with severe paroxysm of difficult.

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Sleeping

Walking

spoking

Breathing

Rubisco is the most abundant protein in

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Golgi bodies

Chloroplast

Nucleoli

Mitochondria

In the peroxisomes the glycolate is converted into

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Serine

Ethanolamine

Glycine

CO₂

Lungs are covered by double layered thin membranous sacs called.

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Pleura

Larynx

Air sacs

Diaphragm

Tiny thin walled ducts called parabronchi are present in the lungs of.

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Mammals

Reptile

Birds

Amphibians

Most elaborate and efficient respiratory system is present in.

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Man

Fish

Bird

Fing

Rubisco reacts with oxygen instead of CO2 during.

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Glycolysis

Respiration

Kreb cycle

Photorespiration

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