| Question (1):
The most common substrate of respiration is _________. |
| 1. |
fats |
| 2. |
amino acids
|
| 3. |
glucose |
| 4. |
sucrose |
|
| Ans: 3 |
|
| Question (2):
During respiration, the substrate is _________. |
| 1. |
reduced |
| 2. |
hydrogenated
|
| 3. |
carbonated |
| 4. |
oxidised |
|
| Ans: 4 |
|
| Question (3):
The percentage of nitrogen in inhaled air is _____% and exhaled air is _____%. |
| 1. |
21 and 21 |
| 2. |
21 and 78
|
| 3. |
78 and 21 |
| 4. |
78 and 78 |
|
| Ans: 4 |
|
| Question (4):
The percentage of carbon dioxide in the inhaled air is _____% and exhaled air is ____%. |
| 1. |
0 .04 and 4 |
| 2. |
4 and 0.04
|
| 3. |
0 .04 and 0.04 |
| 4. |
4 and 4 |
|
| Ans: 1 |
|
| Question (5):
The process common to aerobic and anaerobic respiration is ______________. |
| 1. |
oxidation |
| 2. |
glycolysis
|
| 3. |
Kreb's cycle |
| 4. |
electron transport chain |
|
| Ans: 2 |
|
| Question (6):
In higher plants, the gaseous exchange takes place through ________________. |
| 1. |
stomata |
| 2. |
lenticels
|
| 3. |
general surface of some cells |
| 4. |
all the above |
|
| Ans: 4 |
|
| Question (7):
In microbes, the gaseous exchange takes place through ______________. |
| 1. |
stomata |
| 2. |
lenticels
|
| 3. |
general surface |
| 4. |
all the above |
|
| Ans: 3 |
|
| Question (8):
The energy rich compound generated as final product during respiration is ________. |
| 1. |
NADH |
| 2. |
FADH
|
| 3. |
ATP |
| 4. |
ADP |
|
| Ans: 3 |
|
| Question (9):
The production of alcohol by yeast is called __________. |
| 1. |
brewing |
| 2. |
fermentation
|
| 3. |
respiration |
| 4. |
none of the above |
|
| Ans: 2 |
|
| Question (10):
Lime water turns milky in the presence of __________. |
| 1. |
carbon dioxide |
| 2. |
oxygen
|
| 3. |
water |
| 4. |
none of the above |
|
| Ans: 1 |
|
| Question (11):
In grasshopper, gaseous exchange takes place through ______________. |
| 1. |
gills |
| 2. |
spiracles
|
| 3. |
trachea |
| 4. |
lungs |
|
| Ans: 2 |
|
| Question (12):
The source of oxygen for the aquatic animals is _________. |
| 1. |
atmosphere |
| 2. |
water
|
| 3. |
soil |
| 4. |
none of the above |
|
| Ans: 2 |
|
| Question (13):
Glycolysis takes place in __________. |
| 1. |
cytoplasm |
| 2. |
mitochondrial matrix
|
| 3. |
mitochondrial cristae |
| 4. |
outside the cell |
|
| Ans: 1 |
|
| Question (14):
Kreb's cycle operates in ________. |
| 1. |
cytoplasm |
| 2. |
mitochondrial matrix
|
| 3. |
mitochondrial cristae |
| 4. |
outside the cell |
|
| Ans: 2 |
|
| Question (15):
Anaerobic respiration takes place _________. |
| 1. |
in the cytoplasm |
| 2. |
in the mitochondria
|
| 3. |
outside the cell |
| 4. |
both a and b |
|
| Ans: 1 |
|
| Question (16):
Instant source of energy is ___________. |
| 1. |
sucrose |
| 2. |
glucose
|
| 3. |
fats |
| 4. |
amino acids |
|
| Ans: 2 |
|
| Question (17):
The number of ATP molecules produced during aerobic and anaerobic respiration are _____ and ________ respectively. |
| 1. |
2 and 38 |
| 2. |
0 and 2
|
| 3. |
38 and 0 |
| 4. |
38 and 2 |
|
| Ans: 4 |
|
| Question (18):
Cramps are caused by heavy exercise resulting in the accumulation of ________. |
| 1. |
carbon dioxide |
| 2. |
lactic acid
|
| 3. |
ethanol |
| 4. |
heat |
|
| Ans: 2 |
|
| Question (19):
Anaerobic respiration in the muscles does not produce __________. |
| 1. |
lactic acid |
| 2. |
energy
|
| 3. |
carbon dioxide |
| 4. |
both a and b |
|
| Ans: 3 |
|
| Question (20):
The product of glycolysis is ___________. |
| 1. |
carbon dioxide and water |
| 2. |
pyruvic acid
|
| 3. |
acetyl CoA |
| 4. |
none of the above |
|
| Ans: 2 |
|
| Question (21):
Lowering of diaphragm results in _____________. |
| 1. |
inspiration |
| 2. |
expiration
|
| 3. |
it is not related to either |
| 4. |
digestion |
|
| Ans: 1 |
|
| Question (22):
The energy produced during respiration is stored in ________. |
| 1. |
pyruvic acid |
| 2. |
carbon dioxide
|
| 3. |
adenosine monophosphate |
| 4. |
adenosine triphosphate |
|
| Ans: 4 |
|
| Question (23):
The breathing roots are the __________. |
| 1. |
rhizoids |
| 2. |
stomata
|
| 3. |
pneumatophores |
| 4. |
lenticels |
|
| Ans: 3 |
|
| Question (24):
The surface area of the gills increase due to the presence of __________. |
| 1. |
lamellae |
| 2. |
alveoli
|
| 3. |
arches |
| 4. |
slits |
|
| Ans: 1 |
|
| Question (25):
The direction of flow of water is _________ that of the flow of blood in the capillaries. |
| 1. |
is in the same direction as |
| 2. |
is opposite to
|
| 3. |
not connected to |
| 4. |
none of the above |
|
| Ans: 2 |
|
| Question (26):
Production of sound in man is due to the presence of _______________. |
| 1. |
cartilage rings |
| 2. |
cilia
|
| 3. |
goblet cells |
| 4. |
vocal cords |
|
| Ans: 4 |
|
| Question (27):
The number of spiracles in a grasshopper are ________. |
|
|
| Ans: 2 |
|
| Question (28):
Conversion of milk to curds is due to __________. |
| 1. |
spoilage |
| 2. |
fermentation
|
| 3. |
boiling |
| 4. |
heating |
|
| Ans: 2 |
|
| Question (29):
The process complementary to respiration is __________. |
| 1. |
circulation |
| 2. |
photosynthesis
|
| 3. |
osmoregulation |
| 4. |
none of the above |
|
| Ans: 2 |
|
| Question (30):
Respiratory surface should be _________. |
| 1. |
permeable |
| 2. |
thin
|
| 3. |
richly supplied with blood vessels |
| 4. |
all the above |
|
| Ans: 4 |
|
| Question (31):
The part of the respiratory tract that is responsible for keeping it healthy is ________. |
| 1. |
trachea |
| 2. |
bronchi
|
| 3. |
nasal cavity |
| 4. |
all the above |
|
| Ans: 4 |
|
| Question (32):
Hiccups can be best described as ___________. |
| 1. |
forceful sudden expiration |
| 2. |
jerky incomplete inspiration
|
| 3. |
vibration of the soft palate during breathing while sleeping |
| 4. |
sign of somebody remembering you |
|
| Ans: 2 |
|
| Question (33):
Snoring can be best described as __________. |
| 1. |
forceful sudden expiration |
| 2. |
jerky incomplete inspiration
|
| 3. |
vibration of the soft palate during breathing while sleeping |
| 4. |
sound sleep |
|
| Ans: 3 |
|
| Question (34):
Sneezing can be best described as __________. |
| 1. |
forceful sudden expiration |
| 2. |
jerky incomplete inspiration
|
| 3. |
vibration of the soft palate during breathing while sleeping |
| 4. |
something you should never do when someone is going out |
|
| Ans: 1 |
|
| Question (35):
Respiration in addition to producing energy also carry out the function of ________. |
| 1. |
producing the major part of body heat |
| 2. |
manufacturing food
|
| 3. |
maintaining water levels |
| 4. |
all the above |
|
| Ans: 1 |
|
| Question (36):
Which of the following are the stages of respiration in the correct order? |
| 1. |
gaseous transport, breathing, tissue respiration and cellular respiration |
| 2. |
breathing, gaseous transport, tissue respiration and cellular respiration
|
| 3. |
breathing, gaseous transport, cellular respiration and tissue respiration |
| 4. |
breathing, tissue respiration, cellular respiration and gaseous transport |
|
| Ans: 2 |
|
| Question (37):
Epiglottis guards the entrance of ____________. |
| 1. |
pharynx |
| 2. |
wind pipe
|
| 3. |
bronchus |
| 4. |
lungs |
|
| Ans: 2 |
|
| Question (38):
The expired air differs from the inspired air in the following respects: |
| 1. |
it contains more carbon dioxide |
| 2. |
it contains less oxygen
|
| 3. |
it contains more water vapour |
| 4. |
all the above |
|
| Ans: 4 |
|
| Question (39):
A commonly known organism that carries out anaerobic respiration is _______. |
| 1. |
earthworm |
| 2. |
amoeba
|
| 3. |
yeast |
| 4. |
fish |
|
| Ans: 3 |
|
| Question (40):
Which structure separates thorax from abdomen? |
| 1. |
lungs |
| 2. |
heart
|
| 3. |
diaphragm |
| 4. |
rib cage |
|
| Ans: 3 |
|
| Question (41):
Which metallic element is present in haemoglobin? |
| 1. |
magnesium |
| 2. |
sodium
|
| 3. |
iron |
| 4. |
calcium |
|
| Ans: 3 |
|
| Question (42):
Which muscles are responsible for expiration? |
| 1. |
external intercostal |
| 2. |
internal intercostal
|
| 3. |
a and abdominal |
| 4. |
b and abdominal |
|
| Ans: 4 |
|
| Question (43):
Which area of the brain controls the respiratory movements? |
| 1. |
cerebrum |
| 2. |
cerebellum
|
| 3. |
medulla |
| 4. |
medusa |
|
| Ans: 3 |
|
| Question (44):
The instrument used to measure the volume of respired gases is _______________. |
| 1. |
respiroscope |
| 2. |
spirometer
|
| 3. |
barometer |
| 4. |
thermometer |
|
| Ans: 2 |
|
| Question (45):
Maximum carbon dioxide concentration will be in the ______________. |
| 1. |
inspired air |
| 2. |
expired air
|
| 3. |
dead space air |
| 4. |
all will be same |
|
| Ans: 2 |
|
| Question (46):
Complemental air is the ______________. |
| 1. |
inspiratory reserve air |
| 2. |
expiratory reserve air
|
| 3. |
tidal volume |
| 4. |
vital capacity |
|
| Ans: 1 |
|
| Question (47):
Supplemental air is the ________________. |
| 1. |
inspiratory reserve air |
| 2. |
expiratory reserve air
|
| 3. |
tidal volume |
| 4. |
vital capacity |
|
| Ans: 2 |
|
| Question (48):
Volume of air that can be taken in and expelled out by maximum inspiration and expiration is ______________. |
| 1. |
lung capacity |
| 2. |
vital capacity
|
| 3. |
tidal volume |
| 4. |
respiratory volume |
|
| Ans: 2 |
|
| Question (49):
Which of the following statements is true about lungs? |
| 1. |
Lungs are spongy but not elastic |
| 2. |
Lungs are spongy and lobed
|
| 3. |
Lungs are lobed but not spongy |
| 4. |
Lungs do not have any particular shape |
|
| Ans: 2 |
|
