NEET Biology MCQ - Breathing And Respiration Mcq - Quiz-12 Solution

Q.1.

Which is incorrect ? (C.B.S.E.2006)

14%
a) Principle of counter - current flow facilitates efficient respiration in gills of fishes
57%
b) Residual air in lungs slightly decreases the efficiency of respiration in mammals
14%
c) Presence of nonrespiratory air sacs increases efficiency of respiration in birds
14%
d) In insects, circulation body fluids serve to distribute oxygen to tissues

Explanation

Q.2.

Trachea is lined with incomplete rings of (D.P.M.T.1996)

56%
a) Fibrous cartilage
11%
b) Hyaline cartilage
33%
c) Elastic cartilage
0%
d) Calcified cartilage

Explanation

Q.3.

Make the correct pairs.

Columan-I	Column-II
(a) IC	i. Total volume of air inhaled by breathing
(b) EC	ii. Volume of air present after expiration in lungs.
(c) VC	iii. Volume of air inhaled after expiration.
(d) FRC	iv. Volume of air exhaled after inspiration.

12%
a) P - ii , Q - iii , R - iv , S - i
38%
b) P - iii , Q - ii , R - iv , S - i
12%
c) P - ii , Q - iv , R - iii , S - i
38%
d) P - iii , Q - iv , R - i , S - ii

Explanation

Q.4.

Where Bicarbonate is converted into carbonic acid

0%
a) In the areolar cavity of lungs
0%
b) In the RBC of capillaries around the lungs
80%
c) In the RBC of blood capillaries around body tissue.
20%
d) In the body fluid

Explanation

Q.5.

H2 CO3 is converted into CO2 and H2O with the help of an enzyme known as

20%
a) Carbonic anhydrase.
20%
b) Carboxylase
40%
c) Carbonic dehydrogenase
20%
d) Carbonicenhydrase

Explanation

Q.6.

Which one protects the lungs? (B.H.U.1990)

50%
a) Ribs
0%
b) Vertebral column
50%
c) Sternum
0%
d) All the above

Explanation

Q.7.

During inhalation the following activities occur

0%
a) Area of rib cage increases, diaphragm is pulled upwards
25%
b) Area of rib cage reduces, diaphragm gets contracted
25%
c) Area of rib cage reduces, diaphragm gets relaxed.
50%
d) Area of rib cage increases, diaphragm is pulled downward

Explanation

Q.8.

Alveoli become enlarged and damaged with reduced surface area in heavy smokers. the condition is called (Kerala 2004)

25%
a) Silicosis
50%
b) Asthma
25%
c) Emphysema
0%
d) Bronchitis

Explanation

Q.9.

In human beings

50%
a) Both lungs are of similar size.
0%
b) Right lung is slightly smaller
25%
c) Left lung is slightly smaller
25%
d) Left lung is slightly wider

Explanation

Q.10.

Which one has the lowest value?

25%
a) Vital capacity
0%
b) Tidal volume
75%
c) Expiratory reserve volume
0%
d) Inspiratory reserve volume

Explanation

Q.11.

One RBC can transport about how many molecles of oxygen?

12%
a) One million
12%
b) Ten million
75%
c) One billion
0%
d) Ten billion

Explanation

Q.12.

In which case specific gases, chemicals or suspended particulate matter in air are not responsible for this disease

50%
a) Silicosis
0%
b) Asbestosis
50%
c) Pneumonia
0%
d) Fibrosis

Explanation

Q.13.

The disease in which masses of undifferentiated cells formed in tracheal walls

25%
a) Lung cancer
0%
b) Acute bronchitis
50%
c) Emphysema
25%
d) Pneumonia

Explanation

Q.14.

The full from of Hb is

0%
a) Hydrogen bromide
75%
b) Haemoglobin
0%
c) Hydrogen bond
25%
d) Henson bond

Explanation

Q.15.

Make the correct pairs.

Columan-I	Column-II
(a) Expiratory capacity	i. VC + RV.
(b) Inspiratory	ii. TV + ERV
(c) Vital capacity	iii. TV + IRV.
(d) Total lung capacity	iv. TV + IRV + ERV.

50%
a) P - i , Q - ii , R - iii , S - iv
50%
b) P - ii , Q - iii , R - iv , S - i
0%
c) P - ii , Q - iv , R - i , S - iv
0%
d) P - iii , Q - iv , R - ii , S - i

Explanation

Q.16.

In which three forms of CO2 is transported by blood

0%
a) As a solution, carbamino compounds, bicarbonates
25%
b) As a solution, carbamino proteins,KHCO3
50%
c) As a solution, carbamino haemoglobin, NaHCO3
25%
d) As A solution, carbamino compound H2CO3

Explanation

Q.17.

The diameter of human trachea is about

0%
a) 1 cm
50%
b) 2.5 cm
25%
c) 2 inches
25%
d) 0.1 cm

Explanation

Q.18.

Respiration, occurs in the presence of oxygen in called

25%
a) Aerobic respiration
25%
b) Anaerobic respiration
50%
c) Glycolysis
0%
d) Fermentation

Explanation

Q.19.

Is Double membrane pleard sac is situated...... (J.K.C.M.E.E.1992)

25%
a) Lines the nasal passage
0%
b) Envelops the lungs
75%
c) Envelops the kidneys
0%
d) Envelops the brain

Explanation

Q.20.

Which of these protects the larynx

0%
a) Trachea
25%
b) Pharnx
75%
c) Epiglottis
0%
d) Naso-pharynx.

Explanation

Q.21.

Bicarbonate formed inside erythrocytes moves out to plasma while chloride of plasma pass into erythrocytes.The phenomenon is called (Kerala 2001,2003)

40%
a) Bicarbonate shift
20%
b) Carbonation
0%
c) Hamburger phenomenon
40%
d) None of the above

Explanation

Q.22.

Vital capacity of lung is equal to (Karnataka 2002)

33%
a) IRV+ERV+TV
67%
b) IRV+ERV+TV-RV
0%
c) IRV+ERV+TV+RV
0%
d) IRV+ERV

Explanation

Q.23.

Column I represents diseases and column II represents their symptoms. Which of the following pairs are correct match for them (Guj.CE.T.2006)

ColumnI	ColumnII
(P) Asthma	(i) Recurring of bronchitis
(Q) Emphysema	(ii) Accumulation of W.B.CS in alveolus
(R) Pneumonia	(iii) Allergy

33%
a) P = iii, Q = ii, R = i
33%
b) P = iii, Q = i, R = ii
0%
c) P = ii, Q = iii, R = i
33%
d) P = ii, Q = i, R = iii

Explanation

Q.24.

This disease is due lo allergens

33%
a) Emphysema
33%
b) Bronchitis
0%
c) Pneumonia
33%
d) Asthma

Explanation

Q.25.

The function of pneumotoxic center is

0%
a) Increases rate of ethalation
67%
b) To maintain rhythmicity of respiration
33%
c) To regulate inhalation
0%
d) Does not play significant role.

Explanation

Q.26.

CO2 combines in human RBC with the which ion of haemoglobin

33%
a) -NH2
33%
b) -OH-
33%
c) -H+
0%
d) – COOH

Explanation

Q.27.

Respiration rate is the lowest during.

0%
a) Running
0%
b) Sleeping
33%
c) Eating
67%
d) Playing

Explanation

Q.28.

The trachea is supported by, cartilaginous rings,which are.........shaped

33%
a) C
67%
b) L
0%
c) O
0%
d) S

Explanation

Q.29.

During exhalation, the diaphragm moves

0%
a) Apart
33%
b) Downwards
33%
c) Upwards
33%
d) Inwards

Explanation

Q.30.

The largest amount of CO2 is transported in blood as

0%
a) Carbonic acid
0%
b) Carbamino compounds
67%
c) Carbonate ions.
33%
d) Bicarbonates

Explanation

Q.31.

Carbamino proteins are formed in

33%
a) Blood cells
0%
b) Blood plasma
33%
c) RBC
33%
d) Blood platelets

Explanation

Q.32.

On respiratory surface,KHCO3 formed in RBC reacts with

0%
a) H.HbO2
0%
b) Cl-
67%
c) H.Hb
33%
d) Hb

Explanation

Q.33.

Respiratory movements are controlled by ...

0%
a) Crura cerebri
67%
b) Medulla oblongata
0%
c) Cerebelluam
33%
d) Cerebrum

Explanation

Q.34.

Air is breathed through ... ...

0%
a) Trachea → lung → larynx → pharynx → alveoli
33%
b) Nose → larynx → pharynx → alveoli → bronchioles
67%
c) Nostrils → pharynx → larynx → trachea → bronchi → bronchioles → alveoli
0%
d) Nose → mouth → lungs.

Explanation

Q.35.

Match the following

Columan-I	Column-II
(a) Bronchus	i. Give passage to air toward alveoli
(b) Alveoli	ii. Give passage to air toward lung
(c) Bronchioles	iii. Give passage to air toward bronchus
(d) Trachea	iv. Perform exchange of air

25%
a) P - ii , Q - iii , R - iv , S - i
50%
b) P - i , Q - iv , R - ii , S - iii
25%
c) P - ii , Q - iv , R - i , S - iii
0%
d) P - i , Q - iii , R - ii , S - iv

Explanation

Q.36.

The surface, from which the exchange of, gas takes place, is called

33%
a) Respiration surface
0%
b) Respiratory substrates
33%
c) Plasma surface
33%
d) Gaseous surface

Explanation

Q.37.

The intake of air is called ?

33%
a) Inhalation
0%
b) Respiration.
33%
c) Exhalation
33%
d) Venitlation

Explanation

Q.38.

Bronchitis is a

0%
a) Fungal infection.
33%
b) Viral infection
67%
c) Bacterial infection
0%
d) Protozoan infection

Explanation

Q.39.

The muscles take part in rapid breathing

0%
a) Thoracic and abdominal muscles
0%
b) Muscles of neck region and thoracic region.
33%
c) Muscles of rib cage
67%
d) Muscles of neck region and abdominal region

Explanation

Q.40.

This disease is due to first virus infection followed by bacterial attack

0%
a) Allergy
33%
b) Emphysema
67%
c) Bronchitis
0%
d) Asthma

Explanation

Q.41.

AIDS patients are susceptible to this respiratoty disease

33%
a) Fibrosis
0%
b) Pneumonia
33%
c) Emphysema
33%
d) Asthma

Explanation

Q.42.

Maximum amount of O2 is transported in humans by

0%
a) Blood platelets
0%
b) WBC
67%
c) RBC
33%
d) Blood plasma

Explanation

Q.43.

Volume of air inspired or expired with each normal breath is known as(CMPT.1992,AMU.2000)

0%
a) Tidal volume
0%
b) Residual volume
100%
c) Inspiratory capacity
0%
d) Total Lung capacity

Explanation

Q.44.

Carbon dioxide is transported from tissues to respiratory surface by only... ...

0%
a) Erythrocytes and leucocytes.
0%
b) Erythrocytes
67%
c) Plasma
33%
d) Plasma and erythrocytcs

Explanation

Q.45.

Body tissue obtain oxygen from haemoglobin due to its dissociation in tissues caused by (M.P.PMT.1995)

0%
a) Low carbon dioxide concentration
0%
b) High carbon dioxide concentration.
33%
c) Low oxygen concentration
67%
d) Low oxygen concentration and high carbon dioxide concentration

Explanation

Q.46.

During transport of CO2 blood does not become acidic due to ... ...

33%
a) Blood buffers
0%
b) Neutralisation of H2CO3 by Na2CO3
33%
c) Absorption by leucocytes
33%
d) Non accumulation

Explanation

Q.47.

Amount of oxygen present in one gram of haemoglobin is .. (A.I.I.M.S.1997,Har.PMT,2000)

33%
a) 20 ml
0%
b) 1-3.4 ml
33%
c) 1.3-4 ml
33%
d) None of the above

Explanation

Q.48.

The cells which do not respire (A.FMC.2001)

0%
a) Sieve cells
33%
b) Epidermal cells
33%
c) Erythocytes
33%
d) Cortical cells

Explanation

Q.49.

Which is false ? (Manipal 1995)

0%
a) Blood from right side of heart is carried to lungs by pulmonary artery
33%
b) Pleura is double covering of kindey
0%
c) Pancreas is both exocrine & endocrine gland
67%
d) Scurvy is due to vitamin C deficiency.

Explanation

Q.50.

Lungs have a number of alveoli for ... ...

0%
a) More space for increasing volume of inspired air
0%
b) Having spongy texture and proper shape
25%
c) More nerve supply.
75%
d) More surface area for diffusion of gases

Explanation

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