Font size
WorksheetsChapter 7: Respiration
Total questions: 28
Worksheet time: 10mins
What is the type of respiration that requires oxygen?
Anaerobic respiration
Aerobic respiration
Where does anaerobic respiration takes place in cells?
Nucleus
Mitochondria
Cytoplasm
Cell membrane
Choose the equation of anaerobic respiration in yeast.
Glucose --> lactic acid + energy
Glucose + oxygen --> carbon dioxide + water + energy
Glucose --> ethanol + carbon dioxide + energy
Oxygen debt occurs when the blood cannot supply oxygen fast enough to meet the demand for ATP.
True
False
Oxidation of lactic acid occurs in the...
kidney
large intestine
liver
heart
What is another name of anaerobic respiration that produces ethanol?
Oxidised respiration
Fermentation
Photosynthesis
lactic acid fermentation
Which of the following statement is FALSE regarding the common characteristics of respiratory structures of most organism to ensure enough gaseous exchange?
Cells lining the respiratory surface are thin
The respiratory structure has a large surface area
The respiratory surface is moist
All organisms does not need specialised respiratory structure
The C-shaped rings of cartilage around the trachea acts as...
a support to keep the trachea open permanently to receive air.
accessories around the trachea
filter to trap dusts and microorganisms
to provide air to the lungs
The lungs of frogs are as efficient as the human lungs
True
False
What is the primary organ in a fish's respiratory system?
fins
gills
scales
mouth
"Small openings on the side of the body along the thorax and abdomen."
"Have valves that allows them to open and close."
The characteristic refers to...
spiracle
trachea
air sacs
tracheole
The larger the size of an organism, the smaller the surface area per unit volume of the organism
True
False
The trachea is reinforced by ............... to prevent them from collapsing
C-shaped cartilage
bones
ring of chitin
muscles
The two inflatable sacs that deliver oxygen to your body is called?
Trachea
Lungs
Alveoli
Bronchi
The part of the brain that controls respiration is called...
Cerebrum
Hypocampus
Medulla oblongata
Cerebellum
Which of the following statements is TRUE?
Only diaphragm, intercostal muscles and sternum, is involved in inhalation and exhalation
During inhalation, external intercostal muscles relax and internal intercostal muscles contract
Sternum move upward and forward exhalation
Changes of the volume of cavity are workings of only the intercostal muscles and diaphragm
Concentration of oxygen is __________ in the lungs and __________ in the tissues
high, low
low, high
high, high
low, low
Diagram 1: Overview of Respiratory System
Label structure A, B and C.
Trachea, larynx, bronchus
larynx, trachea, pharynx
pharynx, larynx, trachea
trachea, larynx, pharynx
Choose how carbon dioxide released by respiring cell can be transported. (multiple answers)
Dissolved carbon dioxide in the blood plasma
combined with haemoglobin and transported as carbaminohaemoglobin
turn into carbonic acids
carried in the form of bicarbonate ions
In tissue capillaries, the partial pressure of oxygen in the blood is higher than the partial pressure of oxygen in the cells
True
False
In which situation does the heartbeat rate increase?
When a person is sleeping
when a person is resting
when a person is exercising
when a person is in fear
Peripheral chemoreceptors are...
aortic bodies
carotid arteries
carotid bodies
heart
What is the equation for photosynthesis?
Water + Carbon dioxide + (light)Energy -> Oxygen + Glucose
Carbon dioxide + Glucose -> Oxygen + Water + Energy
Oxygen + Carbon dioxide + Energy -> Glucose + Water
Glucose + Oxygen -> Carbon dioxide + Water + Energy
What aids the intake of oxygen in plants?
stomata
leafs
stems
lenticels
Under what situations that the plants undergoes anaerobic respiration?
throughout the day and night
during flooding
rice plant in waterlogged paddy field
seed during initial stages of germination
Carbon monoxide is a chemical found in tobacco smoke. It is known to reduce the efficiency of transportation of oxygen in the red blood cell. 'Infer, which structure is affected by carbon monoxide in red blood cell.
Shape
Nucleus
Haemoglobin
thin walls
Which inspiration steps are in the correct order?
air forced in, diaphragm relaxes, air pressure raises
diaphragm contracts, air pressure lowers, air forced in
diaphragm relaxes,air pressure drops, air forced in
air pressure raises, air forced out, diaphragm contracts
Which exhalation steps are correct?
diaphragm relaxes, air pressure raises, air forced out
air forced in, air pressure raises, diaphragm contracts
diaphragm contracts, air forced out, air pressure drops
air pressure raises, diaphragm contracts, air forced out
