Respiration Exercise

Q.1       Which one is anabolic process –  

            (A) Respiration              (B) Digestion 

(C) Photosynthesis          (D) Ascent of sap.


Q.2        A catabolic process is –

            (A) Absorption of minerals   

            (B) Ascent of sap 

(C) Respiration              

(D) Assimilation


Q.3       Exchange of gasses ouccurs through  

            (A) Stomata      

            (B) Lenticles

(C) Root surfaces                       

(D) All of the above


Q.4       Glycolysis occurs in –  

            (A) Cytoplasm 

            (B) Mitochondria 

(C) Chloroplasts

(D) Golgi complex


Q.5       Krebs cycle operates in –

            (A) Endoplasmic reticulum   

            (B) Chloroplasts 

(C) Golgi bodies                        

(D) Mitochondria


Q.6       Which one is a product of glycolysis –

            (A) Oxaloacetate           

            (B) Pyruvate 

(C) Ethyl alcohol                       

(D) Lactic acid


Q.7       Adam’s Apple occurs in –

            (A) Buffaloes          

            (B) Dogs 

(C) Human males                      

(D) Human females


Q.8       Muscular partition present between thorax and abdomen is –

            (A) Pericardium             (B) Pleura 

(C) Epiglottis                 (D) Diaphragm



Q.9       Covering of lungs is –  

            (A) Pleura                     (B) Pericardium 

(C) Epiglottis                 (D) Capsule


Q.10     Gaseous exchange occurs in the lungs in the region of –

            (A) Trachea                   (B) Bronchi 

(C) Bronchioles              (D) Alveoli


Q.11      Trachea and bronchi have –

            (A) C-shaped cartilaginous rings       

            (B) Complete cartilaginous rings 

(C) Complete chitinous rings                    (D) C-shaped chitinous rings


Q.12     Respiratory tract is lined by ciliated epithelium. The function of cilia is to –

            (A) Trap dust    

            (B) Trap germs 

(C) Push out mucus with trapped germs and

(D) Push in air vigorously


Q.13      If the thoracic wall but not the lungs is punctured –

            (A) The lungs get inflated                 

            (B) The man dies as the lungs get collapsed  

(C) The breathing rate decreases               (D) The breathing rate increases


Q.14      Skin is an ideal respiratory organ in frog because it is –

            (A) Highly vascular       

            (B) Kept moist  

(C) Devoid of hair and scales                   (D) All the above


Q.15      Respiration is –

            (A) Anabolic and exergonic        

            (B) Anabolic and endergonic  

(C) Catabolic and exergonic                     (D) Catabolic and endergonic


Q.16      Glycolysis occurs in –

            (A) Anaerobic organisms      

            (B) Muscle cells  

(C) Prokaryotic cells                  

(D) Almost all the cells


Q.17      The blood coming out of lungs is richer than that entering into lungs in –

            (A) CO2                        (B) O2

(C) Both                        (D) None of these


Q.18      Anaerobic respiration is likely to occur in –

            (A) Ants                        (B) Earthworms  

(C) Echinoderms            (D) Tapeworms


Q.19      Respiratory quotient is –

            (A) CO2/O2                    (B) O2/CO2

(C) CO2/N2                    (D) N2/CO2


Q.20      Epiglottis guards the opening of –

            (A) Eustachian tube        (B) Glottis  

(C) Lungs                      (D) Internal ear


Q.21      Skin is an accessory respiration in –

            (A) Humans                   (B) Frog

(C) Rabbit                     (D) Lizard


Q.22     The process of respiration is –

            (A) Anabolic                  (B) Catabolic  

(C) Metabolic                 (D) Anaerobic  


Q.2 3    Lungs are covered with the covering of –

            (A) Pleural membrane    

            (B) Pericardium  

(C) Peritoneum              

(D) Mucous membrane






























































exercise # 2 



Q.1       What is respiration ?


Q.2       What are stomata ?


Q.3       Name the energy currency of living system.


Q.4       What is respiratory organ ?


Q.5       What is diaphragm ?


Q.6       Define glottis.  


Q.7       What is epiglottis ?


Q.8       Define breathing


Q.9       What is inspiration ?


Q.10      Define expiration.


Q.11      Name the common passage for food and air.  


Q.12      What is the shape of diaphragm during expiration ?


Q.13      What is the shape of cartilaginous rings in trachea ?



Q.14      Differentiate between photosynthesis and respiration.  


Q.15      Distinguish between breathing and respiration.  


Q.16      Differentiate between bronchioles and tracheoles.  


Q.17      What is the composition of inhaled and exhaled air ?


Q.18      Differentiate between inspiration and expiration.


Q.19     What are the functions of nasal passage ?




Q.20      Name the respiratory organs in the following :

            (a) a fish      (b) a bird     (c) an earthworm


Q.21      How is respiration different from breathing ?


Q.22     Explain the processes of  ‘aerobic’ respiration and ‘anaerobic’ respiration.                    


Q.23      Draw a diagram showing ‘human respiratory system’. Label its following parts

            (i)   Larynx                    (ii) Trachea

            (iii) Primary Bronchus     (iv) Lungs.


Q.24                 Why do the walls of the trachea not callapse when ther is less air in it  & write its importance ?