All organisms are made of small microscopic units which cannot be seen with the
naked eyes, called
(a) animals
(b) cells
(c) tissues
(d) organs
Cellular respiration is carried out in the
(a) cells
(b) organs
(c) tissues
(d) muscles
The process of breakdown of food in the cell is known as
(a) breakdown process
(b) cellular respiration
(c) food breakdown
(d) none of these
An example of aerobes is
(a) cat
(b) dog
(c) human being
(d) all of these
When breakdown of glucose occurs with the use of oxygen, it is called
(a) anaerobic respiration
(b) aerobic respiration
(c) regular respiration
(d) all of these
Name the type of respiration which causes muscle cramps.
(a) Aerobic respiration
(b) Anaerobic respiration
(c) Both (a) and (b)
(d) None of these
Name the term which means ‘taking in of air rich in oxygen into the body’.
(a) Exhalation
(b) Inhalation
(c) Breathing
(d) Respiration
The gills help the fish to
(a) take in oxygen from air
(b) take in oxygen dissolved in water
(c) absorb nutrients present in water
(d) release waste substance in water
Yeast are used to make
(a) curd
(b) wine and beer
(c) bakery items
(d) both (b) and (c)
In the cells, oxygen is used to break down glucose into
(a) carbon dioxide, water and energy
(b) fats
(c) alcohol, carbon dioxide and energy
(d) lactic acid, water and energy
Cockroaches breathe by using an organ called
(a) nose
(b) tracheae
(c) both (a) and (b)
(d) none of these
The most common substrate for respiration is
(a) fats
(b) amino acids
(c) glucose
(d) sucrose
Organism which respires in the absences of oxygen is called a/an
(a) microbe
(b) anaerobe
(c) aerobic
(d) none of these
During inspiration or inhalation, in lungs
(a) volume decreases, pressure increases
(b) volume increases, pressure decreases
(c) volume decreases, pressure decreases
(d) volume increases, pressure increases
Insects have a special network of tubes called
(a) tracheae
(b) gills
(c) spiracles
(d) lungs
The major source of oxygen for the aquatic animals is
(a) atmosphere
(b) water
(c) soil
(d) none of these
Primary organ of human respiratory system is
(a) lung
(b) liver
(c) heart
(d) pharynx
When breakdown of glucose occurs in the presence of oxygen, the respiration is
called
(a) anaerobic
(b) microbe
(c) aerobic
(d) none of these
The tracheal tubes have openings called
(a) trachea
(b) gills
(c) lungs
(d) spiracles
The process of breakdown of food in the cell with the release of energy is called
(a) cellular respiration
(b) aerobic respiration
(c) anaerobic respiration
(d) none of these
Windpipe is also known as ………………
At the end of the bronchioles, small rounded structures called air sac or
……………… are present.
The process of breakdown of food in the cell with the release of energy is called
………………
Organisms which can survive in the absence of air are known as ………………
……………… is a single-celled organism used to make beer and wine.
The partial breakdown of glucose produces ……………… acid in humans.
Inhalation means taking in of air rich in ………………
……………… forms the floor of the chest cavity.
While breathing, the movement of ……………… and ……………… takes place.
Either of the two openings on the sides of the body of insects is called ………………
In cockroaches, air enters the body through ……………………..
During heavy exercise, we get cramps in the legs due to the accumulation of
……………………..
Normal range of breathing rate per minute in an average adult person at rest is
…………………….. times per minute.
During exhalation, the ribs move ……………………..
What are the end products of aerobic respiration.
The cellular respiration process takes place in which cell organelle?
Name the organs constitute Respiratory system in human?
Name the end products of anaerobic respiration in yeast.
In some animals, exchange of gases takes place through its thin and moist skin.
Name one such animal.
Our nostrils has hair and mucous. What is the need to have them in our nasal cavity
Sometimes we see that farmers loosen the soil. What is the reason behind it?
The vocal ability of humans is the responsibility of an organ commonly known as
voice box. What is its scientific name?
What changes are observed in diaphragm during inhalation?
When we exhale or breathe out, percentage of a certain gas is high. Name the gas.
In the experiment, where we exhale into lime water containing glass. What changes
were observed by you?
Insects have a special organ present to carry out respiration. What is that organ
called?
A part from stomata another structure is used by plants to respire. Name that
structure.
Name the organisms which respire using anaerobic mode. Give an example of ane
such organism.
The process of fermentation is based on which principle?
When oxygen enters our body it combines with haemoglobin to form a new
substance. What is that new product.
Is the rate of breathing same for all the respiring organism?
Which gas present in air is essential for aerobic respiration? What is the role of this
gas during respiration?
