Question # 1

Respiratory pigment present in muscles is called ______

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Myoglobin

Globin

Haemoglobin

Haemocyanin

During photorespiration, glycine is converted into serine in the

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Golgi bodies

Chloroplast

Mitochondria

Ribosome

Lungs are covered by double layered thin membranous sacs called.

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Pleura

Larynx

Air sacs

Diaphragm

_____ is more important regulator of breathing process.

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Oxygen

Carbon di oxide

Myoglobin

Hemoglobin

Parabronchi are present in

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Man

Cat

Birds

Frog

Water is dense than air

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800 times

1800 times

8000 times

80,000 times

The heart of the fist is single circuit and the blood flows in

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Two direction

One direction

One and two direction

Reverse direction

The respiratory system is most efficient in ______

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Man

Bird

Fish

Snake

Carbon di oxide per 100 ml of venous blood is.

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50 ml

54 ml

98 ml

99 ml

The main site of exchange of gases iin plants are

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Cuticle

Lenticel

Stomata

Epidermis

Breakdown of Alveoli of lungs is called.

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Asthma

Lungs cancer

Emphysema

Tuberculosis

Blood is not involved in transport of gasses in.

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Frog

Man

Earthworm

Cockroach

Emphysema is a disease caused by the breakdown of.

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Lungs

Bronchi

Alveoli

Trachea

Emphysema is the breakdown of

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Trachea

Bronchi

Alveoli

Bronchioles

In the peroxisomes the glycolate is converted into

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Serine

Ethanolamine

Glycine

CO₂

Asthma is associated with severe paroxysm of difficult.

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Sleeping

Walking

spoking

Breathing

Pleura is double layered thin membrane that covers.

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Heart

Liver

Lungs

Kidneys

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