| Breathing and Exchange of Gases: 1. Register online for Biology tuition on Vedantu.com to score more marks in … Free PDF download of Important Questions with Answers for CBSE Class 11 Biology Chapter 17 - Breathing and Exchange of Gases prepared by expert Biology teachers from latest edition of CBSE(NCERT) books. The breathing centres stop responding to \[C{{O}_{2}}\] level. Choose the answer which gives the correct combination of alphabets with numbers. Exchange of gases occur between blood and these tissues. (iii) Increase in pulmonary volume. This process is known as: Arrange the given steps of respiration in the sequence of event they occur. FAQ NEET Biology Breathing and Exchange of Gases is an essential topic from NEET exams in the Biology entrance exams. 3 sec, OTP has been sent to your mobile number and is valid for one hour, Breathing and Exchange of gases (Animal Respiration). Which curve represents the oxygen dissociation curve for myoglobin? Media If such a patient has difficulty in breathing, medical personnel are reluctant to give the patient pure oxygen. She, then mixed 10 drops of acid with 100 mL of blood. Questions Bank question_answer33) Amount of \[{{O}_{2}}\] normally carried by 100 mL of pure blood is: question_answer34) Although much \[C{{O}_{2}}\] is carried in blood, yet blood does not become acidic, because: question_answer35) If the thoracic wall of the lungs is punctured then: question_answer36) The covering of lungs is called: question_answer37) Alveoli increase the surface area by: question_answer38) he percentage of carbon dioxide, oxygen and nitrogen in exhaled air of man are about: question_answer39) A biochemist mixed 10 drops of acid with 100 mL of water, and the pH dropped from 7.4 to 5.0. Inflammation of bronchi E. V. Cough with blood strained sputum. | Current Affairs Fully blown out alveoli D. Emphysema IV. | Lalit Sardana Sir Choose the correct options given below. (iv) Intrapulmonary pressure increases. https://www.studyadda.com Share question: Select the correct statement. This: question_answer21) Breathing with the help of ribs is more pronounced in: question_answer22) The function of nasal cavity and nasopharynx is to: question_answer23) Switch off centre for breathing lies in: question_answer24) The tissue respiration refers to: question_answer25) Total lungs capacity is approximately: question_answer26) Voice in mammal is produced: question_answer27) The vocal cords are attached to which of the following paired cartilage of larynx? (iii) Volume of thorax decreases. Which of the following statements sequences is correct to initiate inspiration? A zoologist compared the respiratory efficiency and swimming speed of different fish. 61-67 click: Breathing and Respiration, Exchange of Gases - long answer questions for Entrance Exams and Admission Tests Suppose an emphysema victim with a tidal volume of 0.5 L has suffered alveolar damage that has produced a respiratory dead space of 0.3 L, what will be that person's frequency of breathing at rest? The cells in return release carbon dioxide. question_answer62) Which of the given statements are incorrect? (i) The contraction of external intercoastal muscles raises the ribs and sternum. | Why Studyadda? The diffusion membrane for gas exchange is … question_answer73) The respiratory centre, which regulate respiration, is located in: question_answer74) Which one of the following can respire in the absence of oxygen? (v) Volume of thorax increases in the anterior- posterior axis. The above links for chapter wise Online Mock Tests for NEET Biology Breathing and Exchange of Gases will help you to do MCQ based tests and check your understanding of all important concepts which have been prepared based on latest NEET 2021 syllabus. Which of the following statement sequences is correct to initiate expiration? (ii) Approximately 8.9% of \[C{{O}_{2}}\] is transported being dissolved in the plasma of blood. question_answer77) When \[C{{O}_{2}}\] concentration in blood increases, breathing becomes: question_answer78) Exposure to carbon monoxide (from coal gas) is extremely dangerous and can kill a patient because: question_answer79) In a germinating seed, when protein is aerobically oxidised, the R. Q. value will be: question_answer80) Which of the following represents a larger volume of air than is normally found in the resting tidal volume of a human lung? Questions: 43. The respiratory centre, which regulate respiration, is located in: Which one of the following can respire in the absence of oxygen? . Answer: Alveoli are the primary sites of gas exchange in the respiratory system. Notes question_answer28) Which of the following statements sequences is correct to initiate inspiration? | Would this work? Important Questions on Exchange Of Gases is available on Toppr. NCERT Class 11 Biology Chapter 17 BREATHING AND EXCHANGE OF GASES Notes are very useful and important because, it is necessary that all questions are answered in an efficient manner. About This is helpful for aspirants of NEET and other exams during last-minute revision. Multiple Choice Questions. Breathing and Exchange of Gases (Rais Sir) - Live Session - NEET 2020 Syllabus. Solved Papers | Attempt Now. He found that less efficient fish tended to have: question_answer8) Ciliated epithelium in trachea of mammals helps in: question_answer9) When, under certain conditions, the p50 value of haemoglobin rises, the affinity of the pigment of combining with \[{{O}_{2}}\]Will: question_answer10) Partial pressure of oxygen in inspired and expired air is ....... and ....... mm of Hg. question_answer56) During oxygen transport, the oxyhaemoglobin at the tissue level liberates oxygen to the cells because in tissue: question_answer57) Asthma is caused due to: question_answer58) The Bohr shift describes: question_answer59) Which of the following gases makes the most stable combination with the haemoglobin of RBCs? question_answer49) Presence of large number of alveoli around alveolar ducts opening into bronchioles in mammalian lungs is: question_answer50) In expiration, diaphragm becomes: question_answer51) Common feature of human and insect trachea is: question_answer52) The impulse for voluntary (forced) breathing starts in: question_answer53) Membrane separating air in pulmonary alveoli from blood capillaries is: question_answer54) During \[C{{O}_{2}}\] transport, diffuses from erythrocytes to plasma and in turn upsets the ionic equilibrium momentary, in order to keep the ionic balance, and equal number of \[C{{l}^{-}}\] ions pass into the erythrocytes from plasma. question_answer60) When the carbon dioxide concentration in blood increases, the rate of breathing will: question_answer61) Which of the following statements are true/ false? (iii) Diaphragm is very useful in both inspiration and expiration. Aerobic respiration increases the body’s supply of (a) C02 (b) water (c) […] Solution: Tracheae (Tracheal respiration) is the site of gaseous exchange in an insect. The pH dropped from 7.4 to 7.2. The free online mock tests for NEET Biology should be used by students to check their understanding of their concepts of NEET Biology. Ncert Solutions The function of pulmonary surfactant is: Because of the relatively high altitude of Antonito, Colorado, the town has a normal barometric pressure of about 600 mm He rather than 760 mm Hg as at sea level. (i) The blood transports \[C{{O}_{2}}\] comparatively easily because of its higher solubility. Free Free Ncert Solutions for 11th Class Biology Breathing and Exchange of gases (Animal Respiration) | | Forced deep breathing for a few minutes by a person at rest may be followed by a temporary cessation of breathing, because of: In the given figure, label A represents_____ while label B represents ______. (iv) Pulmonary ventilation by which atmospheric air is drawn in and \[C{{O}_{2}}\] rich alveolar air is released out. | | (i) Relaxation of external intercostal muscles and return of diaphragm and sternum to their normal position. The respiratory effect of this type of wound would likely be: question_answer48) Which fact suggests that most \[{{O}_{2}}\] is transported from lungs to the tissues combined with haemoglobin rather than dissolved in blood plasma? This phenomenon is due to the fact that: What would happen if human blood becomes acidic (low pH)? ... people get pollution-free air to breathe and more oxygen is available. (v) The chloride ions diffuse from plasma into the erythrocytes to maintain ionic balance. (Hint: Must foetal haemoglobin have a higher or lower affinity for oxygen than maternal haemoglobin has?). question_answer11) The given diagram represents the human respiratory system with few structures labelled as 1, 2, 3 and 4. | Spasm of bronchial muscles C. Rhinitis III. Privacy Policy dissolved in the blood. The breathing centres stop responding to \[C{{O}_{2}}\] level. Our cells need to be continuously administered with oxygen to carry out their functionality. In human for breathing activity nose, phalynx, larynx ,trachea,bronchi and lungs like organs makes togather respiratory system. View Test Papers of Breathing and Exchange of Gases: 4. Which of the following statement is correct regarding the above figure? For Q. Jobs (iii) The carbon dioxide produced by the tissues, diffuses passively into the blood stream and passes into red blood corpsucles and react with water to form\[{{H}_{2}}C{{O}_{3}}\]. About how many times per minute a man normally respires? This process is known as: question_answer55) Arrange the given steps of respiration in the sequence of event they occur. Based on what you know about control of breathing why do you think this is the case? | | (iv) Pulmonary ventilation by which atmospheric air is drawn in and \[C{{O}_{2}}\] rich alveolar air is released out. Refund Policy, You need to login to perform this action.You will be redirected in Articles Copyright © 2007-2020 | Practice Now. One of the most essential aspects when studying in Class 11, is to make Biology Revision Notes. 10. Expiration occurs due to external intercostal muscles. This document is highly rated by NEET … FAQ (v) Volume of thorax increases in the anterior- posterior axis. question_answer45) After taking a long deep breath, we do not respire for some seconds due to: question_answer46) Bicarbonate ions can be generated in: question_answer47) A person receives a serious cut on the back of the neck that is deep enough to severely damage the brain stem in the lower medulla. Purchase Courses No. question_answer14) The chloride shift in red blood cells is the movement of: question_answer15) Which of the following statement correctly defines Bohr effect? question_answer29) The 'blue baby' syndrome results from: question_answer30) A person can hold his breath longer if he gradually exhales than if he keeps his lungs fully expanded. If curve III represents the dissociation curve of adult haemoglobin, which curve would represent foetal haemoglobin? | StudyAdda offers free study packages for AIEEE, IIT-JEE, CAT, CBSE, CMAT, CTET and others. Solve Easy, Medium, and Difficult level questions from Exchange Of Gases (ii) Volume of thorax increases in the dorsoventral axis. Gas exchange between maternal and foetal blood takes place in the placenta. During oxygen transport, the oxyhaemoglobin at the tissue level liberates oxygen to the cells because in tissue: Which of the following gases makes the most stable combination with the haemoglobin of RBCs? Study Packages Current Affairs | Understand the concept clearly by consistently practicing the Multiple Choice Questions and score […] The breathing rate gets increased by the increase in the content of: In an old science fiction movie, the hero tried to drown a giant ant by holding its head under water. question_answer12) Which of the following statement sequences is correct to initiate expiration? is less than 1 for: question_answer18) The alveoli contain specialised cells that secreted phospholipoprotein complex known a pulmonary surfactant. 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