Question # 1

Lungs are covered by double layered thin membranous sacs called.

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Pleura

Larynx

Air sacs

Diaphragm

In earthworm exchange of gases mainly takes place through.

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Gills

Lungs

Skin

Ostla

Breakdown of Alveoli of lungs is called.

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Asthma

Lungs cancer

Emphysema

Tuberculosis

Raspatory activity which occurs in plants during day time is called.

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Respiration

Transpiration

Photorespiration

Cutaneous respiration

100 ml of arterial blood of human being contains CO2

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50 ml

54 ml

56 ml

58 ml

All are made up of cartilage except

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Trachea

Bronchiole

Larynx

Bronchi

Respiratory pigment present in muscles is called ______

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Myoglobin

Globin

Haemoglobin

Haemocyanin

The respiratory system is most efficient in ______

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Man

Bird

Fish

Snake

The irritant substances of smoke generally cause

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Smoker's hiccough

Smoker's sneeze

Smoker's yawing

Smoker's cough

Respiratory distress syndrome is common in

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Adults

Old age people

Prelature infants

All new borns

In birds the organ of voice is called.

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Vocal card

Larynx

Syrinx

Parabronchi

Most elaborate and efficient respiratory system is present in.

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Man

Fish

Bird

Fing

Heart burn is a painful sensation in the

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Stomach

Small intestine

Chest cavity

Pharynx

Spiracles are found in

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Fish

Cockroach

Leech

Earth worm

Rubisco reacts with oxygen instead of CO2 during.

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Glycolysis

Respiration

Kreb cycle

Photorespiration

Pleura is double layered thin membrane that covers.

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Heart

Liver

Lungs

Kidneys

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

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Mammals

Reptile

Birds

Amphibians

The main tracheal trunk in cockroach communicates with exterior by

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100 pairs

10 pairs

8 pairs

4 pairs

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Biology Fsc Part 1 Chapter 13 Online Test MCQs With Answers

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