Gaseous Exchange topic based MCQs preparation test for all competitive exam. Gaseous Exchange Chapter# 8, topic based MCQs that are mostly asked in competitive exam related to Biology. Examtry team design a series of MCQs based tests that effectively and efficiently help a student or job seeker to prepare their exam effectively and efficiently.
Examtry team design more than 40 MCQs and try their best to cover the whole topic Gaseous Exchange . These MCQs based test really helpful in all competitive exams as well as institutional exams. Anyone who wants to pass job test comprising one paper or MCQs based test come on examtry.com and get prepared himself.
MCQs under the topic of Gaseous Exchange covers all tests conducted by FPSC, NTS, KPSC, PPSC, SPSC, BPSC, OTS, UTS, UPS, PTS, CTS, ATS, ETEA or any other institution.
1 - _________ respiration is directly involved in the production of energy, necessary for all living activities.
Cellular
2 - ______ respiration is the process by which cell utilized oxygen and produces CO2
Cellular
3 - Of the following, which one is better respiratory medium.
Air
4 - Oxygen contents per liter of air is
200 ml
5 - Water is _____ times viscous than air
50
6 - There are ______ stomata per square cm of leaf surface in Tobacco plants.
12000
7 - The air spaces may comprise upto ______ of total volume of leaf surface.
0.4
8 - The glycolate produced diffuses into the membrane bounded organelles called
Peroxisomes
9 - Active site of Rubisco is evolved to bind
Both of these
10 - Number of spiracles present in cockroach is
20
11 - Number of spiracles present in the thorax of cockroach is
4
12 - When abdomen expands, the number of spiracles open is
8
13 - The blood enters the _____ side of heart
Posterior
14 - Gaseous exchange through the skin is known as ______ respiration.
Cutaneous
15 - Parabronchi are open at ______ end/s
Both
16 - In most birds air sacs are _____ in number
9
17 - Vocal cords are stretched across
Golttis
18 - Functional units of lungs are called
Air sacs
19 - Lungs are spongy due to the presence of million of
Alveoli
20 - Lungs are covered with double layered thin membranous sac called
Pleura
21 - The maximum amount of oxygen which normal human blood absorbs and carries at sea level is _____ per 100 ml of blood.
20 ml
22 - Haemoglobin can be almost completely oxygenated by an oxygen pressure of ____ of mercury.
100mm
23 - Important factors which affect the capacity of haemoglobin to combine with oxygen is
All of these
24 - The increase in pH of blood has _____ effect on the oxygen carrying capacity of haemogolobin
plus ve
25 - % age of CO2 carried as carboxyhaemoglobin is
0.2
26 - Arterial blood contains ______ of CO2 per 100 ml of blood
50 ml
27 - A disease of longs in which inside of the lungs is damaged resulting in cough and fever
Emphysema
28 - Of the following, which one is a contagious disease?
Tuberculosis
29 - Which of the following promotes growth in plants?
Calvin cycle
30 - Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?
Aves
31 - Voice box is another name used for
Larynx
32 - All of the following contain cartilage except
Bronchioles
33 - Respiratory distress syndrome is common especially for infants with a
Less than 7 month
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