to bring oxygen to the body. When you learn about the structure of the trachea, it becomes easier to understand what is trachea. The C-shaped Cartilage are attached to one another but are open at the point where the windpipe meets the throat. Trachea. What is the function of the cartilaginous rings in trachea ... . The respiratory system review (article) | Khan Academy Why do the walls not collapse even when there is less air in it ? _____ acts as air conditioners. Hyaline cartilage has a primary function of _____ 6. Functions of the Respiratory System Biology is the study of life. (c) A is true but R is false. Life Processes For Class 10 Biology MCQ Questions In human alimentary canal, name the site of complete digestion of various components of food. ICSE Solutions for Class 10 Biology | Shaalaa.comhuman respiratory system - The trachea and the stem ... (c) The normal eye, the Hypermetropia eye and myopic eye. Major function of contractile vacuole is: (a) Excretion (b) Circulation (c) Osmoregulation (d) All the above Ans : (c) Osmoregulation 22. The trachea is lined with ciliated pseudostratified columnar epithelium with goblet cells. Often asked: What is your windpipe? - Lower East Kitchen During respiration exchange of gases take place in (a) trachea and larynx (b) alveoli of lungs (c) alveoli and throat (d) throat and larynx. These rings support the trachea and do not allow the trachea to collapse when there is less air in it. A. The cilia present in trachea and bronchi beat with an upward motion so that the foreign particles along the mucus are sent to the oral cavity from where it may be either swallowed or coughed out. FUNCTION OF CILIA. answer choices. MCQs on Human Respiratory System || respiratory system mcq ... The trachea is a hollow, tube-like structure that runs from the larynx, or voice box, to the bronchi — the two passageways that connect the trachea to the lungs. More than half a billion alveoli presence in human lungs when we breathe alveoli suck oxygen. Q. (d) A is false but R is true. (5) The upper end of trachea has a voice box called larynx. CBSE-Life Processes-Notes. (a) Cockroach, grasshopper, snail, ant. answer choices. Q. If the trachea was not supported in this way, it would simply collapse because of the pressure of the chest. (a) Both A and R are true and R is the correct explanation of A. It conveys air to and from the lungs. 10. (6) The two bronchi are connected to the two lungs-one to the left lung and other to the right lung. The diaphragm is the main respiratory muscle that allows us to inhale and exhale. There are between 16 and 20 cartilaginous rings in an average trachea. Chapter 6 Life Processes Class 10 Science Important Questions and Answers PDF will help you in scoring more marks. intake of food and then its digestion in the body. The function of the cartilaginous rings of the trachea is to stabilize the trachea and keep it rigid while allowing the trachea to expand and lengthen when the person breathes. Function of the Diaphragm. Q. What is the function of the trachea in animals? to break down food and absorb nutrients. The functions of the following organs are: 1. The trachea is surrounded by 16-20 rings of hyaline cartilage; these 'rings . Alveoli: Alveoli play a very significant role in the process of breathing. 1. During internal respiration, oxygen and carbon dioxide . Air travels from the larynx to the trachea (Figure 1). The diaphragm is a sheet of internal muscle which extends across the bottom of the rib cage. 4)lungs: In humans,the respiratory organs are lungs which provide the surface for the exchange of gases.The lungs lie in the thoracic cavity on the sides of the heart. Bronchus Bronchiole Larynx Trachea (a) WX Z Y (b) XZ Y W (c) YW X Z (d) ZY W X Ans : (d) Larynx is at the beginning of trachea . => It helps trachea to expand when person is breathing. Answer: A large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes is called trachea. Q 29 - Assertion: Veins have thin walls to collect blood from different organs. The respiratory system. Let's understand the function of diaphragm with the help of a diagram. Kaneppeleqw and 27 more users found . (ii) Ribs: When we breathe out, ribs are lifted. Trachea is lined by ciliated mucus secreting pseudostratified epithelium for trapping dust particles and microbes. Complete answer: The Cartilage is a tough but malleable tissue. • Synthesis of food by photosynthesis- 'photo' means light and 'synthesis' means production. 12. It begins at the bottom of the larynx and ends at the carina, the point where the trachea branches into the left and right main bronchi. Pharynx is the common passage of the respiratory system and digestive system located in the throat. In the process, it warms and moisturizes the air and catches debris and microbes before they enter the lungs. Class 10 Science Chapter 6 Life Processes MCQs with Answers. As air is pulled into the trachea during inhalations, it is warmed and moisturized before entering the lungs. a. You can solve Class 10 Biology textbook questions and use Shaalaa ICSE Solutions for Class 10 Biology to verify your answers. | EduRev Class 10 Question is disucussed on EduRev Study Group by 183 Class 10 Students. Question 20. 2. . This is done by the contraction and relaxation of the muscle creating a vacuum that . Q 141 - What is the function of trachea ? Trachea helps the passage of air to and from the lungs. NCERT Solutions For Class 10. Its walls are supported by C shaped rings of cartilage. The pancreas has two main functions: it acts as an exocrine gland by secreting pancreatic enzymes that helps in digestion and as an endocrine gland that regulates blood sugar. Figure a, b, c respectively; indicate the point in case of: answer choices. What is the main function of the respiratory system? Function of the Pharynx. It is also called the trachea and its function is to transfer the air that a person breathes from the nose or mouth to the lungs. 38 Votes) The function of the cartilaginous rings of the trachea in respiratory system is to stabilize the trachea and keep it rigid while allowing the trachea to expand and lengthen when the person breathes. What is the trachea? The process of physiological respiration includes two major parts: external respiration and internal respiration. Ans - Trachea is a tube that connects pharynx with lungs for carrying air to and from lungs. Answer (1 of 2): The cartilaginous rings in the trachea and bronchi serve to hold the airway open so that oxygen can be breathed in with a minimum of effort by the diaphragm. When a person relaxes, it also aids in the growth of the trachea. This is an important muscle that separates the thoracic cavity, which contains the heart, lungs and ribs, from the abdominal cavity. Check the below NCERT MCQ Questions for Class 11 Biology Chapter 17 Breathing and Exchange of Gases with Answers Pdf free download. Life Process Class 10 MCQ Question 12. Large surface area b. Richly supplied with blood capillaries c. Thick and dry surface d. Thin and delicate surface 11. • Process of obtaining nutrients from the environment i.e. (i) Trachea: It is supported by bony rings for conducting inspired air. Autotrophic Nutrition / Photosynthesis MCQ 1. An adult's trachea has an inner diameter of about 1.5 to 2 centimetres (0.59 to 0.79 in) and a length of about 10 to 11 centimetres (3.9 to 4.3 in); wider in males than females. Below the larynx lies the trachea, a tube about 10 to 12 cm (3.9 to 4.7 inches) long and 2 cm (0.8 inch) wide. Trachea - definition. Tags: Question 8. Explanation: The cartilage rings are C-shaped because the back of the trachea presses against the esophagus. The diagram shows part of the human gas exchange system. What is the function of rough class 7? 10. This consists of 1 mark Questions, 3 Mark Numericals Questions, 5 Marks Numerical Questions and previous year questions from Chemical Reactions and Equations Chapter. We have provided Breathing and Exchange of Gases Class 11 Biology MCQs Questions with Answers to help students understand the concept very well. NCERT Solutions for Class 10 Social Science; NCERT Solutions for Class 10 Maths. What is the main function of the respiratory system? (b) The normal eye, the myopic eye and Hypermetropia eye. They prevent the trachea from collapsing during absence of air and also protect it. Have them draw the picture of the part on the front of the card as well. The trachea serves as the main passageway through which air passes from the upper respiratory tract to the lungs. The trachea, commonly known as the windpipe, is a cartilaginous tube that links the larynx to the bronchi of the lungs, enabling air to pass through. Raw materials used in the autotrophic mode of nutrition is: A. Glucose, Starch, Fructose Which of the following is the function of the trachea? Answer: Pharynx in humans, is the part of digestive system and the conducting zone of respiratory system. Ask your students to write the name of the part on the front of the card. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide. The average length of the . The ribs form the main structure of the thoracic cage protecting the thoracic organs, however their main function is to aid . The muscles that power your lungs are also part of the respiratory system. Trachea - It is the windpipe which helps in taking the air to the lungs. By mirror formula, To get an erect image from a concave mirror, the object should be placed between pole and the focus of mirror. Reason: Blood in veins are not under pressure. 9.Larynx is present in between (A) epiglottis and glottis (B) trachea and bronchiole (C) epiglottis and trachea (D) bronchus and epiglottis . So, among given options only 10 cm is less then the focal length of mirror. Pick the odd one out from each of the groups given below on the basis of respiratory organs. Its walls are supported by C shaped rings of cartilage. to remove oxygen from the body and deliver carbon dioxide. Question 1. to bring oxygen to the body. (ii) is Ribs The ribs are the bony framework of the thoracic cavity. Pharynx is present in vertebrates and also in invertebrates such as annelids . (7) Each bronchus divides in the lungs to form a large number of still smaller tubes called bronchioles. [1]the trachea is the windpipe, which conveys air from the larynx to the two main bronchi, with the lungs and their air sacs as the ultimate destination[2]Trachea is supported by c-shaped rings of cartilage which hold them in place when there is less air inside it. The role it plays in respiration is that it allows the air passage from nasal chamber to oropharynx via nasopharynx. (a) The Hypermetropia eye, the myopic eye and normal eye. These rings stabilise the trachea and keep it rigid . In the figure: (i) is Trachea The trachea serves as passage for air, moistens and warms it while it passes into the lungs , and protects the respiratory surface from an accumulation of foreign particles. (b) Lizard, cow, earthworm, snake. [CBSE 2012] Answer: Rings of cartilages are present in trachea. to provide oxygen and remove carbon dioxide from the body. 10. Start studying biology class 10 ncert respiration_complete_. Q.1. A large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes is called as trachea. Bronchi - They are the main passage to take and distribute the air into the lungs. (D) Nasopharynx opens through the glottis of the larynx region into the trachea . Appears in What is the function of trachea Class 10? 3. Its wall is stiffened by 16 to 20 characteristic horseshoe-shaped, incomplete cartilage rings that open toward the back and are embedded in a dense connective tissue.The dorsal wall contains a strong layer of transverse smooth muscle fibres that spans . Students can download Class 10 Science Chapter 6 Life Processes Important Questions, . The trachea maintains its unbending . Pharynx constitues nasopharynx, oropharynx and laryngopharynx. Larynx - It is known as the voice box and is responsible for the production of sound waves that helps in communication. No. 3. Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. The whole process of breathing done by alveoli, Alveoli disposes of the waste product of breathing called carbon dioxide. During respiration, the exchange of gases take place in: (a) Trachea and Larynx (b) Alveoli of lungs (c) Alveoli and throat (d) Throat and larynx Answer: MCQs Of Life Processes Class 10 Question 13. Respiration in Organisms Class 7 Science Extra Questions Short Answer Type Questions. Glottis opens on the floor of a. pharynx b. trachea c. diaphragm d. oesophagus. Go over the worksheet as a class. to remove oxygen from the body and deliver carbon dioxide. The trachea is a hollow, tube-like structure that runs from the larynx, or voice box, to the bronchi — the two passageways that connect the trachea to the lungs. Select the option which gives correct identification and main function and /or characteristic. Treatment. Shaalaa provides solutions for ICSE Class 10 and has all the answers for the questions given in Class 10 Biology. The respiratory system is the network of organs and tissues that help you breathe. NCERT Solutions For Class 10 Science Chapter 6 Life Processes: In this article, you will find all the necessary information regarding NCERT Solutions For Class 10 Science Chapter 6 Life Processes. What is the function of trachea? Ace up your preparation with the Objective Questions available on Breathing And Exchange Of Gases and enhance your subject knowledge. . 3. Breathing and Exchange of Gases Class 11 questions and answers -Set-6. (d) Nostrils → Pharynx → Larynx → Trachea → Alveoli. It conveys air to and from the lungs. -air from NP goes into the pharynx from which it travels into the trachea . Life Processes For Class 10. The trachea is a tubular structure consisting of dense connective tissue and rings of hyaline cartilage. Question 10. Food and water from the oral cavity and air from both oral and nasal cavity comes to the pharynx. B. The trachea serves as the main passageway through which air passes from the upper respiratory tract to the lungs. What are WXY,, and Z? Which portion of the human respiratory system is called sound box? The tracheal cartilages help support the trachea while still allowing it to move and flex during breathing. Function of RBC - To carry oxygen to various parts of the body. What is the function of trachea Class 10? It includes your airways, lungs and blood vessels. Trachea - definition. 1. to break down food and absorb nutrients. Listen to the pronunciation. Rings of cartilage present on trachea prevent it from collapsing during the passage of air. The trachea, commonly known as the windpipe, is the large tube that delivers air from the upper respiratory tract to the bronchi. function of bronchi The function of epiglottis is to cover the mouth of trachea (or wind pipe) when we swallow food so that the food may not enter the trachea (or wind pipe). What is trachea? Students who are planning to build their career stream in the field of medicine can refer to this article as biology plays a major role in the medical field. 3)Trachea: It is a thin walled tube that extends downwards through the neck and divides into 2 major bronchi.One major bronchi enters right lung and other left lung. The epithelium moves substances toward the larynx and esophagus for swallowing. So, the walls of trachea do not collapse even when there is a little air. The trachea, commonly known as the windpipe, is the large tube that delivers air from the upper respiratory tract (the nasal passages, throat, and larynx) to the bronchi (the two large airways that branch off into each lung). Given, u = 10 + 10 + 1 = -21 cm, f = -10 cm. The trachea maintains its rigidity by virtue of a series of cartilaginous rings arranged along its length called as the C- shaped cartilage rings. Question 8. . • Two types - Autotrophic (self-sufficient for food) and Heterotrophic (dependent on others for food). Ask your students to write the description and function of the part on the back of the card. It is found in virtually all air-breathing animals that have lungs, and it is the most common kind of windpipe. Life Processes MCQ Class 10 chapter 6. This is a very stretchable organ at the time of inhaling alveoli expand itself self and when we exhale . Independent working time (20 minutes) Give each student seven index cards. State its function in respiration. A large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes is called as trachea. The trachea begins at the larynx and in the tracheobronchial tree nomenclature has been designated Generation 0. (b) Both A and R are true but R is not the correct explanation of A. 4.1/5 (1,444 Views . Shaalaa is surely a site that most of your classmates are using to perform well in exams. Explanation: => The C-shaped cartiligenous ring prevents collapsing of trachea. Carefully study the diagram of the human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and /or characteristic. 4. Give reason for your answer. The trachea and the stem bronchi. (a) Gaseous Exchange (b) Filters the air we breathe (c) Exhales the air from the body (d) All of the above. External respiration, also known as breathing, involves both bringing air into the lungs (inhalation) and releasing air to the atmosphere (exhalation). ⫸ Function of Trachea (Windpipe) - It provides air passage to our lungs for respiration, i.e. Why do the walls of the trachea not collapse when there is less air in it? Additional Function: (not important for cbse board exams) => It allows the trachea to collapse slightly at its opening, so food can pass down the esophagus after swallowing. If these U-shaped structures--they are not actually complete 'rings'--weren't there, the airway would collapse, and oxygen. The trachea leads to the _____ 5. to inhale air rich in oxygen and exhale carbon dioxide. Sol: (b) Filters the air we breathe. As air is pulled into the trachea during inhalations, it is warmed and moisturized before entering the lungs. The average length of the . 30 seconds. Q. to provide oxygen and remove carbon dioxide from the body. It has a simple, yet important purpose in respiration, to let the inhaled air pass into the trachea, and the exhaled air out toward the pharynx and nasal cavity [10]. The small tubular structure located right behind the nasal cavity, the pharynx works by letting the inhaled air pass into the next part of the respiratory tract, the larynx [9].. Function of the Larynx. They prevent the trachea from collapsing during an air shortage. Finest branches of bronchial intercom are bronchioles. (A) Larynx (B) Trachea (C) Nasopharynx (D) Glottis . The trachea structure or trachea anatomy shows that an adult is 1.5 to 2 centimeters (0.59 to 0.79 in) in diameter and 10 to 11 centimeters (3.9 to 4.3 in) in length, with males having a broader trachea than females. The trachea (or windpipe) branches into two smaller tubes called bronchi at its lower end. 10 Explain whether breathing movements are involuntary or voluntary BREATHING MOVEMENTS. 294 Anatomy & Physiology for Health Professions: An Interactive Journey Each alveolus is surrounded by a network of small blood vessels called capillaries.This combination of the alveolar wall and the capillary wall is called the alveolar-capillary membrane and represents the connection, or for you computer buffs, the interface, between the respiratory and cardiovas- It connects the mouth to the oesophagus and nose to the larynx. Carefully study the diagram of the human respiratory system with labels (i), (ii), (iii) and (iv). Without the trachea, the lungs cannot receive oxygen and humans cannot survive. Answered by Meghna Thapar | 10th Apr, 2013, 11:21: AM Question 54: The trachea divides at the carina, or "keel" (so named because it looks like the keel of a boat), into the right and left main-stem bronchi (Generation 1) that penetrate the lung parenchyma (tissue of the lung). Why are white blood corpuscles called soldiers of the body? Answer Answer: (b) Learn vocabulary, terms, and more with flashcards, games, and other study tools. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. Extra Questions for Class 10 Science Chapter 6 Life Processes with Answers Solutions. The trachea serves as the main passageway through which air passes from the upper respiratory tract to the lungs. Which of the following is not a characteristic of respiratory organ? (d) The myopic eye, the normal eye and Hypermetropia eye. 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