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2003 WAEC Biology Theory (a)(i) What is respiration? (ii) Name two types of respiration. (iii) Write in words the...

Biology
WAEC 2003

(a)(i) What is respiration?
(ii) Name two types of respiration.
(iii) Write in words the equation representing the type of respiration that occurs in the muscle during strenuous exercise.

(b) Name two diseases that can affect the above mentioned system.

(c) Mention the structures used for gaseous exchange in the following organisms:
(i) Amoeba
(ii) Cockroach
(iii) White mangrove
(iv) Hibiscus.
 

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Explanation

(a)(i) Respiration is a metabolic process which takes place in living cells by which organic nutrients are broken down to release energy or ATP for life activities.

(ii) Two types of respiration are
(a) Aerobic respiration
(b) Anaerobic respiration

(iii) Equation for respiration in muscle during exercise is: Glucose→ Lactic Acid + Water + Energy/ Adenosine - Triphosphate


(ii) The following are the diseases of the lungs: 
Lung cancer; tuberculosis, pneumonia, bronchitis, asthma, common cold, .whooping cough and SARS/Influenza.

(c) The structures used for gaseous exchange in these organisms are:
Amoeba
—Cell membrane/body surface
Cockroach—trachea
White mangrove—pneumatophores, breathing stomata! and tenticels
Hibiscus -stomata and lenticels. 


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WAEC offline past questions - with all answers and explanations in one app - Download for free
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free