Question # 1

Emphesema is breakdown of

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Muscles

Capillaries

Alveoli

None of these

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

In birds the organ of voice is called.

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Vocal card

Larynx

Syrinx

Parabronchi

In the peroxisomes the glycolate is converted into

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Serine

Ethanolamine

Glycine

CO₂

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

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Respiration

Transpiration

Photorespiration

Cutaneous respiration

The volume of air taken inside the lungs and expelled during exercise is about

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2.5 liters

3.5 liters

4.5 liters

1.5 liters

During exercise the breathing rate may rise to

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30 times per minute

20 times per minute

25 times per minute

35 times per minute

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

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Respiration

External respiration

Cellular respiration

Anaerobic respiration

Rubisco reacts with oxygen instead of CO2 during.

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Glycolysis

Respiration

Kreb cycle

Photorespiration

Number of spiracles in cockroach is

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20 pairs

10 pairs

06 pairs

08 pairs

Emphysema is a disease caused by the breakdown of.

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Lungs

Bronchi

Alveoli

Trachea

Most elaborate and efficient respiratory system is present in.

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Man

Fish

Bird

Fing

Lungs are covered by double layered thin membranous sacs called.

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Pleura

Larynx

Air sacs

Diaphragm

Parabronchi are present in

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Man

Cat

Birds

Frog

The number of pairs of spiracles in abdominal segments of cocroach are

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2

8

10

12

Oxygen content of fresh air are

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200 ml/litre

10 ml/ litre

100 ml / litre

150 ml / litre

Water is more viscous than air.

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10 times

20 times

50 times

100 times

Heart burn is a painful sensation in the

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Stomach

Small intestine

Chest cavity

Pharynx

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Biology Fsc Part 1 Chapter 13 Online Test MCQs With Answers

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