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11th Biology Monthly Test - 2 ( Bio - Zoology - Respiration )

MABS Institution

11th Biology Monthly Test - 2 ( Bio - Zoology - Respiration )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

A common manifestation of allergy is ___________

Bronchitis
Pneumonia
Asthma
Tuberculosis

About 1500 ml of air left in lungs is called

Tidal volume
Inspiratory reserve volume
Residual volume
Vital capacity

Which of the following happens during inspiration

Diaphragm becomes dome shaped
internal intercostal muscles contract
volume of the thoracic chamber increases
ribs are pulled downward

The ______________ lack cartilaginous rings.
(i) Trachea (ii) Bronchi (iii) Bronchioles (iv) Alveoli

(a) i and iii
ii and iii
i, ii and iii
iii and iv

Body tissue obtain oxygen from haemoglobin due to its dissociation in tissues is caused by

Low oxygen concentration and high carbon dioxide concentration
Low oxygen concentration
Low carbon dioxide concentration
High carbon dioxide concentration.

Oxygen carrying capacity of blood is

20%
30%
40%
50%

The ferric state of haemoglobin

binds with oxygen
binds with carbon dioxide
does not bind with oxygen
does not bind with carbon dioxide

Assertion (A): Larynx occurs in the upper part of neck.
Reason (R): It is closed during swallowing process

A and R are right
A is right and R explains A
A and R are wrong
A is right R is wrong

During transport of CO₂ blood does not become acidic due

Neutralisation of H₂C0₃ by Na₂C0₃
Absorption by leucocytes
Blood buffers
Non accumulation

Which one protects the lungs?

Ribs
Vertebral column
Sternum
All the above

Part - B

Generic 2 - Answer All Question

How the difference of pressure gradient helps in inspiration?

What are the layers of the diffusion membrane of the alveolus?

What is meant by 'SURFACTANT'?

Why more oxygen is transported by heamoglobin than in dissolved form.

It is advised not to talk or laugh louder while eating. Can you give the reason?

What is total lung capacity?

What is excretion

Part - C

Generic 3 - Answer All Question

Write short notes on nitrogen norcosis.

Discuss the five primary functions of the respiratory system.

List the characteristic features of the respiratory surface.

Why is pneumonia considered a dangerous disease?

Whot is 'bends' and how it is risky in scuba divers.

How blood transports CO₂ from the tissue cells.

What will happen when a person trayels quickly from sea [evel to the elevation above 8000ft?

Part - D

Generic 5 - Answer All Question

What is sigmoid curve and how is it obtained.

Explain about the different respira ory volumes and capacities ot lungs.

Explain transport of oxygen in the blood.

Describe the process of transport of CO₂ carried out by haemoglobin.
Explain the conditions which creates problems in oxygen transport.

Write a note on surfactants and why do premature babies have low surfactant?

Explain the transport of carbon dioxide.

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