TE
TED PREPARATIONS
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BIOLOGY TEST
CHAPTER 1 : RESPIRATION
1- Mammalian RBC respire anaerobically because
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It has stroma inside
It has Haemoglobin
It lacks Mitochondria
It has bicarbonate ions inside
2-
Tracheal respiration is found in
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Insects and Millipedes
scorpion and PRawn
Pila and lobuster
Starfish and Sea cucumber
3-
Residual volume of the lungs is
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1200 ml
1500 ml
4500
500ml
4-
Partial pressure of O2 in the inspired air is 156 mm Hg and that of CO2 is
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0.3 mm Hg
0.5 mm Hg
140 mm Hg
46 mm Hg
5-
Chlorocruorin is a copper containing blood pigment found in some annelids like Sabella. Is colour in both oxygenated and deoxygenated states is
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blue
green
yellow
pink
6-
Expiratory muscles contract at the time of
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Deep inspiration
Normal inspiration and expiration
Forceful expiration
Normal expiration
7- I
nflamation of the lung covering causing severe chest pain is
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Emphysema
Pleurisy
asphyxia
hypoxia
8-
Tidal volume of man is
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500 ml
1500 ml
1200 ml
850 ml
9-
Partial pressure of oxygen in the inspired and expired air respectively is
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158 and 116 mm Hg
158 and 40 mm Hg
100 and 95 mm Hg
40 and 95 mm HG
10-
In human beings partial pressure of carbondioxide in the inspired and expired air respectively is
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0.3 and 40 mm Hg
0.3 and 32 mm Hg
40 and 46 mm Hg
40 and 0.3 mm Hg
11-
Respiratory quotient is not less than one in
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carbohydrate
proteins
fats
normal diet
12-
The impulse for the voluntary muscles for the force-ful breathing starts in
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medulla(pons)
vagus nerve
cerebral hemisphere
spinal cord
13-
The chief difference between trachea and bronchioles is
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trachea lacks cartilage
bronchiole lacks cartilage
trachea is long
bronchiole is small
14-
Diaphragm is supplied with Phrenic nerve and is involved in
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inspiration
Parturition
Micturition and Defecation
All of these
15-
Dead air is not involved in respiration because
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It is very low quantity
It is trapped in nasal passage
it contains less Oxygen
it is present deep in lungs
16-
Pulmonary ventilation is
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Tidal volume + respiratory rate
Tidal volume + Vital capacity
Tidal volume + Residual volume
Tidal + inspiratory volume
17-
Haemoglobin affinity for oxygen is .................. to the P50( O2 tension that produces 50% saturation of Hb)
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Directly related
inversely related
not related
related
18-
Chloride shift occurs from the plasma to the RBC and is meant for
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Formation of haemoglobonic acid
formation of bicarbonated
to keep electrostatic neutrality of RBC membrane
to transport CO2
19-
Haldane effect refers to
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Increased C02 uptake to minimize Co2 tension
Increased 02 tension
decreased CO2 tension
Decreases O2 tension
20-
Bohr effect shifts the O2 hb dissociation curve to the right.
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to promote the oxygenation of Hb in lungs
To increase O2 concentration
to decrease CO2 concentration
to decrease the pH of the blood
21-
advantage of double bohr effect is
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reciprocal exchange of oxygen for CO2
More Oxygenated of foetal blood
more removal of CO2
All of these
22-
At high altitude the number of RBC increases
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To trap O2 from rarefied air having low PO2
To adapt with the oxygen deficiency
to remove more CO2
To increase metabolism
23-
Which of the following hormone is released when a person is climbing a mountain
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Anti natriuretic factor
adrenaline
erythropoietin
thyroxine
24-
In which part of the body mycobacterium effects
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lungs
skin
intestine
all of these
25-
Bovine tuberclosis is transmitted from cow to man through
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contact
milk
contamination of water with infected urine
meat
26-
Hicup is due to
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irritation of phrenic nerve
increased inspiration
expanded stomach
acidity in the stomach
27-
Rectal respiration is seen in
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cockroach
spider
niads of the dragon fly
water flea
28-
During the transportation of the CO2 blood will not become acidic because
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it contains buffers
it contains H+ ion
it contains haemoglobin
it contains high CO2
29-
The main cause of the respiratory alkalosis is
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hypoventilation
hyperventilation
low carbondioxide level
high HB content
30-
1. In which part of the respiratory system, gaseous exchange takes place?
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alveoli
pharynyx
larynx
nose
31-
The tiny air sacs present in human lungs is called_______.
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Alveoli
alveolus
bronchi
brocnhus
Option 2
32-
The total number of alveoli present in the human lungs is estimated to be around ______.
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1 billlion
800 million
500 million
1500 million
33-
Which one of the following statements is false about the trachea?
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it is covered by epiglottis
has C-shaped rings
it splits into left and right lungs
none
34-
The maximum volume of air contained in the lung by a full forced inhalation is called _________.
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total lung capacity
ventilation rate
tidal volume
respiratory volume
35-
Which one of the following is correct regarding larynx?
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It houses the vocal cords
It prevents the invading pathogens into the trachea
It is an organ made of cartilage and connects the pharynx to the trachea
All of the above.
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BIOLOGY TEST
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