A

ads by google adsense2


The process of gaseous exchange involves.

Break down of C-H bounds to yield energy.

Physical movements that take air ain and our of body

Getting oxygen from the air and removing carbon dioxide

Transport of oxygen by the blood to different parts of the body.


The inflamation of bronchi or bronchioles is caled:

Bronchites

Emphysema

Chest box

Pneumonia


Most of the gaseous exchange in a leaf occurs through:

Stomata

General surface

Cuticle

Lenticels


Where does the gaseous exchange occur in humans:

Epiglottis

Trachea

Larynx

Pharynx


Gaseous Exchange in cow takes in:

Alveoli

Bronchi

Pharynx

Tranchea


In plants, gaseous exchange takes place as:

CO2 and O2 both are removed

CO2 is removed and O2 is absorbed

CO2 and O2 both are absorbed

CO2 is absorbed and O2 is removed


The rate of breathing during exercise or other hard:= physical work is:

20-30 times

10-20 times

30-40 times

40-50 times


All the alveoli of one side unite to form:

Thorax

Kidney

Lung

Chest Box


In wood seems and roots the gaseous:

micropyle

lenticels

epidermal cells

somata


Which bring deoxygenated blood form heart into lungs?

Pulmonary Artery

Pulmonary veins

Wind Pipe

Aorta


Which gas us absorbed through stomata of plant during night?

Carbon dioxide

Oxygen

Hydrogen

Nitrigen


The percentage of oxygen from air which we inspired is:

21%

25%

28%

15%


Rate of breathing depends upon concentration of which gas:

Carbon dioxide

Nitrogen

Hydrogen

Oxygen


The respiratory centre is present in :

Lungs

Muscles

Nose

Brain


In human which process occurs in alveoli?

Nutition

Tranport

Reproduction

Gaseous Exchange


In man the system of gaseous exchange is:

respiratory system

digestive system

nervous system

excretory system


Smoking may also lead to the cancers in:

Kidneys and pancreas

Oral cavity and larynx

All of them

Breast and bladder


Lungs are enclosed in a membrane called;

pleural membrane

peritonium

epidermis pericardium


The structural and functional unit of lungs is:

alveolus

broncioles

trachea

pharynx


Which structure actively helps in taking the air out of lungs?

Bronchus

Bronchiole

Diaphragm

Nasal cavity


Percentage of CO2 in exhaled are during breathing is:

16%

0.04%

4%

79%


When the World no tobacco day is celebrated?

11-Jan

None of these

31 June

30-Jun


Most of the gaseous exchange in a leaf occurs through.

Stomata

Cuticle

lenticels

General surface


Which of the following is called voice box?

Larynx

Alveoli

Bronchi

Trachea


What happens during Exhalation?

Pressure on lungs increased

All of these

Diaphragm become dome shaped

Ribs muscles relax


The length of trachea is:

12 cm

22 cm

10 cm

20 cm


Glottis is a narrow opening at the floor of:

Nasal cavity

Nostril

Antibiotics

Pharynx


C-Shaped cartilaginous rings are present in the wall of.

Trachea

Alveoli

Bronchi

Bronchioles


In normal condition human respiration rate is:

15 to 12 per minute

16 to 20 per minute

10 to 12 per minute

12 to 15 per minute


In first stem of glycolysis glucose molecules breaks ans divide into two _______ molecules

Pyruvic acid

Formic acid

Citric acid

Lactic acid


Amount of nitrogen in expired air is:

70%

79%

80%

4%


During exercise or other hard physical works the breathing rate may increase up to.

50-60 times per minute

70-80 times per minute

30-40 times per minute

60-70 times per minute


The primary chemical stimulus for breathing is the concentration of.

Carbon oxide in muscles

Carbon dioxide in blood.

Oxygen in muscles.

Oxygen in blood


The glottis is guarded by a flap of tissue called:

Epiglottis

Trachia

Glottis

Bronchi


In which of the following gaseous exchange occur through stomata?

Young roots

The aquatic plants

The leaves and young stems

Wood stems and nature roots.


Which kind of blood vessels are present around the alveoli?

Veins

Capillary

Arteriole

Artery


Amount of carbon dioxide in inspired air is:

0.04%

None of these

4%

16%


A thick muscular layer beneath lungs is called:

Diaphragm

Kidney

Ureter

Bladder


The major cause of lungs cancer is:

nicotine

radiation

smoking

viral infection


The normal breathing rate in buman being is:

30-40 times per minute

None of these

10-40 times per minute

16-20 times per minute


The respiratory disease that is the destruction of the walls of Alveoli is;

Asthma

Bronchitis

Pneumonia

Emphysema


No. of bronchi in the air passage way are:

1

3

2

4


In which of the following disease, the patient has usually lost 50% to 70% of his/her lung tissue when symptoms appears?

Pneumonia

Asthma

Bronchitis

Emphy sema


How many pairs of ribs in humans?

26

24

12

30


The muscles of ribs are called;

Coastal muscles

Intercoastal muscles

Smooth muscles

Cardiac muscles


Amount of oxygen in expired air is:

21%

16%

4%

0.04%


It is also called sound box:

bronchus

pharynx

larynx

trachea


Every year World Day is celebrated on:

30-May

31-May

31-Mar

21-Mar


The number of lobes in right lung is:

4

3

1

2


The length of trachia is __________ cm approximately:

14

16

10

12


Point out the FALSE statement about respiration.

Gas exchange in lungs is very efficient because lungs provide large surface area

Gases can easily pass through the walls of the alveoli

Dust particles can damage the lung by irritating the inner alveoli surface.

In emphysema, the walls of alveoli break and there is more surface area.


Stomata are present in:

Endodermis

Phloem

Epidermis

Xylem


A disease involving the breakdown of air sacs of the lungs is:

Bronchitis

asthma

emphysemsa

pneumonia


Which disease is involved in the breakdown of air sacs of the lungs?

Emphysema

Bronchites

Asthema

Pneumonia


How many lobs are present in right lung?

5

4

2

3


Power of speaking is only gifted to:

Parrot

Human being

Crow

Monkey


A cough, mild wheezing, fever chills and shortness of breath are symptoms of:

Asthma

Bronchitis

Pneumonia

Emphysema


The uncontrolled cell divisions in lungs tissue is called:

emphysema

Asthma

cancer

bronchitis


Total chemicals in tobacco smoke are:

1000

2000

3000

4000


What percentage of oxygen inhaled form air during breathing?

23%

24%

22%

21%


What type of blood vessels surrounds the alveoli?

Arteriole

Vein

Capillary

Artery


Where does the gaseous exchange occur in humans?

Trachea

Pharynx

Bronchi

Alveoli


Main role to give out air form lungs is;

Bronchiote

Diaphragm

Bronchus

Bronchi


The correct list of respiratory disorders is;

Asthma , cholera, emphysema , malaria

Asthma, emphysema. pneumonia , bronchitis

Asthma , blood , cancer , emphysema, cholera

Asthma , penumonia , heamophlia , typhoid,


In human and other higher animals, the exchange of gases is carried out by:

Air passageway

Skin

Respiratory

Lungs


Cartilage is absent in:

trachea

bronchi

bronchioles

larynx


How many carciogens are present in cigarette smoke?

40

50

60

70


In man the correct passage of air is:

nostrils, nasal, cavit, pharynx, trachea, arynxl, bronchi, bronchioles alveolar,duct, aleoli

Notrils , nasal, cavity, larynx, pharynx, trachea,bronchioles, alveolar, duct alveoli,

Nasal cavity, nostrils, larynx, pharynx, alveoli , trachea bronchi, bronchioles ,alveolar dict ,

nostrils, nasal cavity, Pharynx, larynx , bronchi, trachea , bronchioles , alveolar duct, alveoli


The rate of breathing at rest in human is:

16-20 times per minute

80-100times per minute

10 -20 times per minute

70-80times per minute


How many bronchi are there in the air passageway?

None of these

One

Many

Two


Which diisease is caused by Streptococcus pneumoniae:

Pneumonia

Asthema

Emphysema

Bronchites


For gaseous exchange the leaf and young stems have in their epidermis:

Lenticels

Stomata

Companion cell

Guard cells


Cutting of walls of Alveoli called:

Bronchtis

Asthama

Emphysema

Pneumonia

ads by google adsense