10th class Biology chapter 10 online mcq test with answers for matric part 2 Biology chapter 10(Gaseous Exchange)

Biology 10th Class English Medium Chapter 10 Online Test

Sr. #	Questions	Answers Choice
1	Which gas us absorbed through stomata of plant during night?	Carbon dioxide Oxygen Nitrigen Hydrogen
2	Smoking may also lead to the cancers in:	Kidneys and pancreas Oral cavity and larynx Breast and bladder All of them
3	When the "World no tobacco day" is celebrated?	30 June 31 June 11 January None of these
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 Emphy sema Bronchitis
5	A cough, mild wheezing, fever chills and shortness of breath are symptoms of:	Emphysema Pneumonia Bronchitis Asthma
6	In which of the following gaseous exchange occur through stomata?	The leaves and young stems Wood stems and nature roots. Young roots The aquatic plants
7	Point out the FALSE statement about respiration.	Gases can easily pass through the walls of the alveoli Gas exchange in lungs is very efficient because lungs provide large surface area In emphysema, the walls of alveoli break and there is more surface area. Dust particles can damage the lung by irritating the inner alveoli surface.
8	In human and other higher animals, the exchange of gases is carried out by:	Skin Respiratory Air passageway Lungs
9	Amount of nitrogen in expired air is:	70% 80% 79% 4%
10	Amount of carbon dioxide in inspired air is:	16% 0.04% 4% None of these
11	Amount of oxygen in expired air is:	21% 16% 0.04% 4%
12	During exercise or other hard physical works the breathing rate may increase up to.	30-40 times per minute 50-60 times per minute 60-70 times per minute 70-80 times per minute

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