1 - A catabolic process by which the chemical degradation of body fuel substances is done to obtain energy is called:
Tissue respiration
2 - A person belonging to sea-level town migrates to high altitude of about 8000 feet then his blood after 15 days will show:
Greater number of RBCs and more Hb
3 - A person having anaemia is likely to suffer from:
Hypoxia
4 - A person having lowering of general blood circulation is likely to suffer from:
Hypoxia
5 - A person living at high altitude has likely the higher number of RBCs per unit volume because of which of the following reasons:
Air is less dense
6 - A person on inhaling air having well as carbon monoxide suffers from suffocation because:
Hb of blood combines with CO instead of O2 and the product cannot dissociate
7 - A person will die of oxygen dificiency when under certain conditions his P50 value of Hb rises to 100 mm Hg, the reason being that:
He can neither load nor unload oxygen in the lungs
8 - Acetyl CoA used normally in Kreb's cycle is derived from pyruvic acid but it can also be formed from:
Both (a) & (b)
9 - After completion of Glycolysis and Kreb's cycle we have a net gain of how many molecules of ATP when one molecule of glucose is oxidized:
38
10 - After each expiration the alveoli of lungs contain which of these amounts of air:
2300ml
11 - Air we inhale has which of the following substances in it:
All of these
12 - An increase in body temperature during fever will:
Increase the rate of our respiration
13 - Asphyxia occurs on:
owning
14 - At the end of cleavage stage in Glycolysis we get:
Both (a) & (b)
15 - At the end of Glycolysis how many molecules of ATP are synthesized:
Four molecules
16 - Because being trapped in 'dead space' which of these amounts of inhaled air does not reach alveoli of our lungs:
150ml
17 - Below how much concentration of oxygen the pyruvic acid will not pass into Kreb's cycle and would convert into CO2 and alcohol:
0.02
18 - Blood leaving the lungs has all its haemoglobin oxygenated and gives up oxygen to tissues due to one of the following reasons:
Oxygen concentration in tissues is lower and CO2 concentration is higher than in lungs
19 - Body tissues obtain oxygen from oxyaemoglobin because its dissociation is caused by:
Low O2 and high CO2 concentration
20 - By which of the following the medullary respiratory centre is affected directly:
Chemically
21 - Cardiac cycle in frog is completed in:
0.94 seconds
22 - Cellular respiration in man and other vertebrates in includes:
Both (a) & (b)
23 - CO2 content in the inspired air on being markedly increased would:
Increase the breathing movements
24 - Cyandies are deadly poisons because they:
Inactivate enzymes for cellular oxidation and create anoxia of hypoxia
25 - Deoxygenation of oxyhaemoglobin is:
Directly proportional to blood PCO2
26 - During activation of glucose in Glycolysis, the end product formed is:
Fructose 1, 6 diphosphate
27 - During cellular respiration the electrons are received by which of the following substances:
All of these
28 - During one circuit of blood from lungs to the tissue and back through circulatory system the percentages of haemoglobin giving up its oxygen to tissues is:
0.25
29 - Embden Meyerhof pathway is also called:
Glycolysis that occurs anarobically
30 - Enzyme bringing conversion of dihydroxy acetone phosphate into 3-phosphoglyceraldehyde is:
Triose phosphate isomerase
31 - Enzyme bringing coversion of 3-phosphoglyceric acid into 2-phosphoglyceric acid is:
Phosphoglyceric mutase
32 - External respiration usually called breathing involves:
Both of these processes
33 - Faster breathing during condition of fever is mainly due to which of the following facts:
High temperature of our body
34 - For a man using carbohydrates, proteins and fats in diet the figure for RQ is:
0.85
35 - Forced deep breathing for few minutes in a person sitting at rest may be followed bya temporary cessation in breathing which is due to:
Too much O2 and very little CO2 in his blood
36 - Haldane effect states that:
Oxyhaemoglobin behaves as a strong acid so more and more amount of it formed releases more and more H+ions
37 - Heart shows rhythmic contractions and expansions withour pause and fatigue which may be defined as
Heart beat
38 - How can combining of haemoglobin with oxygen in the lungs be promoted?
By decreasing the concentration of oxygen in blood
39 - How many times dose the heart of frog beat per minute:
64 times
40 - How many times we breathe per minute:
12 time
41 - How much Cals are trapped in 38 molecules of ATP which are gained during oxidation of one molecule of glucose:
4,56,000 Cals
42 - How much oxygen binds with 1 gm of haemoglobin in normal state:
1.34gm
43 - Hypoxia accompanied by increased tension of CO2 in the body is:
Asphyxia
44 - Hypoxia may occur when a person goes to:
High altitude
45 - Imitation of throat and respiratory passage dueto smoking and dust allergy causes:
Cough
46 - In case the concentration of oxygen in the tissues were almost as high as at the respiratory surface then:
Oxyhaemoglobin would not dissociate tosupply oxygen to tissues
47 - In the first state of Glycolysis called activation the endproduct formed from glucose is:
Fructose, 1, 6, diphosphate
48 - In which of these forms major amount of carbondioxide is transported in our blood:
As bicarbonate ions
49 - In which of these manners the oxygen is transported to tissues in the vertebrates:
All of these ways
50 - In which way the frog respires during period of hibernation:
Through moist skin
51 - In young male which of these amounts of oxygen diffuse per minutes per mm of respiratory membrane:
21ml
52 - Major portion of CO2 formed during cellular respiration is transported to lung in form of:
HCO3
53 - Our breathing rate will be lowest when we are:
Playing football
54 - Our normal O2 intake per minute amounts to:
250ml
55 - Oxygen capacity of haemoglobin is:
The amount of oxygen which 1 gm of haemoglobin can bind
56 - Oxygen carrier in the blood of vertebrate is:
Haemoglobin can combine with oxygen
57 - Oxygen content in our expiratory air is:
0.25
58 - Oxygen in the blood is transported mainly by:
WBCs
59 - Oxygen percentage in the inhaled air is about:
0.21
60 - People especially women between age of 17-25 years are more susceptible for which of these respiratory diseases:
Tuberculosis
61 - Reduced supply of oxygen to tissues is termed:
Hypoxia
62 - Respiration in absence of oxygen is termed:
Anerobic
63 - Respiratory centre in medulla is directly affected by:
Arterial blood entering it
64 - Respiratory quotent (RQ) means:
Ratio of carbondioxide liberated to that of oxygen taken
65 - Respiratory site of the cell is:
Mitochondria
66 - RQ for carbohydrates is:
1
67 - RQ for carnivores is:
0.75
68 - RQ for fats is:
0.8
69 - RQ for herbivores is:
0.96
70 - RQ for omnivores is:
0.8
71 - RQ for proteins is:
0.8
72 - Sudden deep inspiration may be due to:
Either increase in the concentration of oxygen of decrease in concentration of carbondioxide
73 - The amount of air of respiratory importance reaching into alveoli is:
4200ml
74 - The atmosphere of industrial area loaded with chimines is considered harmful to health because:
There is carbonmomonoxide which can bind with Hb 230 times more than oxygen and its pressure of about 0.7 mm Hg is lethal
75 - The blood absorbs oxygen in respiration with one of these:
RBCs production in his body will step up
76 - The concentration of carbonic acid does not increase in our blood because of the presence of which of the following:
Sodium ions
77 - The contraction of the heart during heartbeat is known as:
Systole
78 - The dissociation of oxyhaemoglobin would increase under a given concentration in blood in case:
pH of blood falls
79 - The enzyme converting glucose into glucose-6-phosphate during activation stage of Glycolysis is:
Glucokinase
80 - The impulse for voluntary forced breathing starts in the:
Cerebrun
81 - The number of ATP molecules of ATP synthesized after oxidation of one molecule of glucose is:
40
82 - The number of oxygen molecules associating with haemoglobin in man is:
Four
83 - The relaxation of heart during heart beat is called:
Diastole
84 - Third bond of ATP on hydrolysis yields:
ADP + 33,000 joules
85 - To start the kreb's cycle, the pyruvic acid formed during Glycolysis is converted into:
Acetyl CoA which reacts with oxaloacetic acid to form citric acid
86 - Under certain conditions, an increase in P50 value of haemoglobin would bring which of these changes in the affinity of pigment to combine with oxygen:
No change
87 - We inhale about which of these amounts of air in one breathe:
500ml
88 - We loose which of these amounts of CO2 per minute:
220ml
89 - What will happen when a person of Kerala goes to Mount Everest:
His breathing rate and hearbeat will decrease
90 - What will happen when a person stays at Mount Everest for some days:
His body will step down the production of RBCs
91 - Which of the following occur without enzymes:
Breathing
92 - Which of these enzymes is responsible for conversion of 2-phosphoglyceric acid into phosphoenolpyruvic acid:
Enolase
93 - Which of these factors influence our respiratory centre:
CO2
94 - Which of these facts sugests that oxygen is transported from lungs to the tissues combined with haemoglobin rather than dissolved in blood plasma:
Oxygen carrying capacity of whole blood is higher than that of plasma
95 - Which of these is termed Bohr effect:
Deoxygenation of oxyhaemoglobin is directly proportional to PCO2
96 - Which of these microorganisms cause whooping cough:
Haemophilus pertussis
97 - Which of these statements are correct:
All of the animals need a medium for cellular respiration
98 - Which of these steps occur during Glycolysis:
Oxidation
99 - Which of these substances are initially required to start Kerb's cycle:
Both of these
100 - Which one of the following statements define Bohr effect:
A rise in P50 with an increase in pH and decrease in PCO2
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