Question 2. Observe the pool of connective tissues carefully. Their role is to facilitate movement of organs like hands and feet. Respiration in Cockroach. Save my name, email, and website in this browser for the next time I comment. Question 20. If you continue to use this site we'll assume that you're happy with this. (d) cubical epithelium Answer: (d) pharynx, Question 9. Answer: A cockroach has small openings on the sides of its body, called spiracles. Give an account on Nephridia of earthworm. It is where the fluid and gas meet (= the fluid/gas interface), that exchange of gases occurs (oxygen is taken up, carbon dioxide is given off). Question 28. 4. Teacher explained it as part of respiratory system. Give reason. Labrum, mandibles, Hypopharynx, maxilla and Labium. Prostomium is the frontmost part of the earth-worm. Muscle to bone – Tendon; Bone to Bone – _____________, Bone – osteocytes; Cartilage – __________, Cardiac Muscle – Involuntary; Striated Muscle – __________, Contractile cell – Muscle; Excitable cell – ______________. Frogs maintain ecological balance because they serve as an important link of food chain and food web in the ecosystem. • In cockroach respiratory movements are controlled and coordinated by nervous system. The main function of blood is to transport gases, nutrients and easte products in the body. changes. Adaptation’s to survive in the environment. Find out the wrongly matched pair. Each compound eyes in cockroach consists of about 200 ommatidia. Fragment, shape … (a) Ligament So cockroach is known as uricotelic animal. From the following segments, find out the segments in which, Clitellum is situated in a mature earthworm. (a) 12-16 What are the following and where do you find them in animal body? Respiration in Cockroach. (d) basophils and monocytes (c) stratified cuboidal epithelium • Cockroach, Grasshoppers and Beetles exhibit the phenomenon of discontinuous ventilation. The tracheoles end within the body cells. As activity increases, the fluid is removed from the tracheoles. Kerala Syllabus 9th Standard Textbooks Solutions, Kerala Syllabus 8th Standard Textbooks Solutions, Plus Two Previous Question Papers and Answers, Plus One Previous Question Papers and Answers, Plus One zoology Chapter Wise Questions and Answers, Plus One Botany Chapter Wise Questions and Answers Chapter 2 Plant Kingdom, Plus One Botany Chapter Wise Questions and Answers Chapter 3 Morphology of Flowering Plants, Plus Two Hindi Previous Year Question Paper Say 2018, Plus Two Hindi Previous Year Question Paper March 2019, Plus Two English Previous Year Question Paper March 2016, Plus Two English Previous Year Question Paper Say 2018, Plus Two English Previous Year Question Paper March 2019, Plus Two Chemistry Chapter Wise Previous Questions Chapter 16 Chemistry in Everyday Life, Plus Two Chemistry Chapter Wise Previous Questions Chapter 15 Polymers, Plus Two Chemistry Chapter Wise Previous Questions Chapter 14 Biomolecules, Plus Two Chemistry Chapter Wise Previous Questions Chapter 13 Amines, Plus Two Chemistry Chapter Wise Previous Questions Chapter 12 Aldehydes, Ketones and Carboxylic Acids, Plus Two Chemistry Chapter Wise Previous Questions Chapter 11 Alcohols, Phenols and Ethers, The most common species of frog found in India is. This tissue is present in the skin. Answer: The human respiratory system have following organs: A-Ribs B-Trachea C-Pharynx D-Diaphragm E-Lungs F-Nasal passage G-Oral cavity. (b) columnar epithelium Question 18. a. Labrum Fibroblasts, Macrophages, Mast cells, Question 13. (b) Cartilage (a) squamous epithelium (d) They are ureotelic Mouth→Pharynx → Stomach → intestine → Gizzard → Oesophagus. Question 57. The excess of nutrients which are not used immediately are converted into fats and are stored in this tissue. 1. (c) ciliated epithelium Answer: Answer: Locomotion of Cockroach: Cockroach is a swift runner as well as a flier. Circulating Fluid in Cockroach 3. Identify the organ. Frog have a lymphatic system also. Question 16. Blood glands are present on the 4th, 5th and 6th segments. 4. Answer: Question 7. Question 15. (c) female reproductive system of cockroach Observe the diagram given below and label the parts Question 46. Question 18. Integumentary nephridia: attached to lining of the body wall of segment 3 to the last that open on the body surface. Question 17. Oothecae. In earthworm, segments 14-16 are covered by a prominent dark band of glandular tissue called __________. (Pancreas, Liver, Salivary gland, Tear gland, Adrenal gland, Thyroid gland) Ciliated epithelium is found in the inner lining of bronchioles, Cilia help trap and clear dust and foreign particles. Squamous epithelium is found in the walls of blood vessels and air sacs of lungs and are involved in the functions like forming a diffusion boundary. Fig. Question 32. Blood – The main circulating fluid that help in the transport of various substances. (a) striated cuboidal epithelium They are also used as bait in the game fishing. They produce blood cells and hemoglobin which is dissolved in blood plasma. If the head of cockroach is cut off, it will still alive for as long as one week. Question 61. Question 36. _____________ make up more than one half the volume of neural tissue in our body. (a) columnar ciliated epithelium, Question 11. 3. B) Labrum Blood is composed of plasma and cells. Answer: Arrange the columns A, B, and C in the table below and match them properly. Insects take in Oxygen and expel Carbon Dioxide using a series of internal air tubes, the tracheae. Between kidney and lower parts of the body. (d) olfactory epithelium of our nose Answer: Distinguish between the following: Pharyngeal nephridia, present as three paired tufts in the 4th, 5th and 6th segments Both are same structurally and functionally. Mouth → Oesophagus → Crop → Gizzard → Mesentron → ileum → Colon → Rectum → Anus. Answer: Answer: Note that no transport system, such as blood, is involved in moving oxygen or carbon dioxide around the body. Answer: 14.2 Tracheal system in a cockroach 14.1.4 Respiratory system in humans (pulmonary respiration) zHumans have a well developed respiratory system suitable for meeting the higher requirement of oxygen in their bodies. The blood of the animal is without respiratory pigment called hemolymph. RBC’s are nucleated and contain red coloured pigment namely hemoglobin. 1. Give reason. Simple gland is composed of single cell, while compound gland is composed of multiple cells. So tadpole is ammonotelic. Frogs are beneficial for mankind because they eat insects and protect the crop. Striated muscle – Skeletal muscle, voluntary muscle, striations present Cardiac muscle – Muscles of heart, branched muscle fibres, intercalated disc. The pair on the ninth abdominal segment is also missing. (c) Muscular The nasal chamber of rabbit has three thin twisted bony plates called conchae. The respiratory system of cockroach is more efficient than that of earthworm as there are definite respiratory organs. Both typhlosole and villi are part of intestine of earthworm and human beings respectively. Give reason. (c) First, last and clitellum Cartilage: Matrix contain spaces called lacunae. Give one word for the following. Identify the 3 animals and arrange the structures into 3 separate groups. Frog excrete nitrogenous waste in the form of urea. (a) cuboidal epithelium Draw a neat labelled diagram of male reproductive system of cockroach. In cockroach, respiration takes place through a small openings on the sides of its body called spiracles. Oxygen rich air rushes through spiracles into the tracheal tubes, diffuses into the body tissue and reaches every cell of the body. Name three types of cell junctions in the epithelium. Name the respiratory organs of insects. Respiratory System. Name the four structure helps in excretion in cockroaches. (b) The larval stage is called caterpillar Identify the diagram and label the part marked A. (d) desmosomes Question 50. (Setae, Clitellum, Typlosol, None of these). (c) Anal styles are absent in females (c) spleen Hence it is the respiratory system of insects which restricts their body size. It consists of ileum, colon, rectum. Red blood cells (RBC), White blood cells (WBC) and platelets. ‘An earthworm respires through skin and excretes through nephridia’ Rewrite the above sentence beginning with ‘A cockroach ………………..’ making appropriate Answer: Humans and cockroach have different respiratory system .Explain one difference between the respiratory system of human and a cockroach . Foregut- It is also known as stomadaeum and is divided into buccal chamber, pharynx, oesophagus, crop, and gizzard. Match the following with reference to Cockroach and choose the correct option. Protonema is thread like chain of cells, all others are about morphological structure of cockroach. Ratheesh mounted the mouthparts of cockroach in the following manner. (b) spleen, Question 18. Answer: Question 5. (a) lymphocytes and monocytes Answer: • In cockroach major amount of C02 is sent out by diffusion method through cuticle. Cockroach is uricotelic animal. Question 4. The head of cockroach holds a bit of a nervous system while the rest is situated along the ventral part of its body. Answer: (d) Peristomium and Clitellum Observe the table given below and fill in the blanks from the list given below: Write the suitable world for the 4th place. Answer: Observe the given diagram of human respiratory system. Difference between male and female cockroach 5. Blood glands are present on the 4th, 5th and 6th segments of earthworm. (iv) The development of P. americana is paurometabolus, meaning there is development through nymphal stage. Question 6. Typhlosole and villi increase the effective area of absorption in the intestine. (d) Stratified squamous – Oesophagus epithelium Earthworms are known as ‘friends of farmers’ because they make burrows in the soil and make it porous which helps in respiration and penetration of the developing plant roots. Answer: All the four types of tissues. Septal nephridia, present on both the sides of intersegmental septa of segment 15 to the last that open into intestine. Question 5. No respiratory pigments present in the blood of cockroach. Describe the reproductive system of periplaneta and draw neat and labeled diagrams of it Question 7. Write the function of neuroglial cells. Mandible supports the lower teeth and provides attachment for muscles of mastication (chewing and eating) and facial expression. Circulating fluid of cockroach is colourless. (c) Tendon Heart is three chambered – two atria and one ventricle. Cockroach: Answer: Excretory wastes are carried by blood into the kidney where it is separated and excreted. How many segments are present in the abdomen of cockroach. But blood of earthworm is red in colour because hemoglobin is dissolved in blood plasma. Answer: (d) stratified epithelium 15. Tissue contains fibroblasts, macrophages and mast cells. To which one of the following categories does adipose tissue belong? So they does not require any respirations pigment. Blood of cockroach is colourless. The cockroaches are an ancient group, dating back at least as far as the Carboniferous period, some 320 million years ago. Give the common name of Periplanata americana. Answer: Question 11. Answer: It is generally accepted that this lower capacity is related to differences in the circulatory and respiratory systems. B – Ciliated epithelium is to move particles or mucus in a specific direction over the epithelium. Compound eyes are more effective than vertebrate eye. Cloaca is a common opening of 3 tubes or tracts. In coackroach: There is a main pair of lateral tracheae running the length of the body, one on each side. Give the common name of Periplaneta Americana. Question 1. Flow chart showing flow of food through the alimentary canal of an earthworm given. In some countries the muscular legs of frog are used as food by man. Diffusion alone does not meet the respiratory demands of the animal. Answer: Question 52. With the help of several ommatidia, a cockroach can receive several images of an object. The respiratory system is enlarged- making rapid flight capable. (c) ciliated The compound epithelium consists of two or more cell layers and has protective function. Habitat of stomach. In cockroach, respiration occurs through spiracles – a small opening on the sides of its body. (b) Thrombocyte Compound squamous epithelium is found in d. Maxilla Draw a flow chart showing the flow of air through this system. Axons it is the tail like structure of a neuron. Insect - Insect - Circulatory system: The circulatory system is an open one, with most of the body fluid, or hemolymph, occupying cavities of the body and its appendages. The alveoli is the site at which oxygen is exchanged for carbon dioxide. D – Rectum. Name the region of alimentary canal where humic acid is neutralised. (c) A – iv, B – ii, C – iii, D – i Ammonotelism demands an excess of water in the body. Answer: These linings are shed with the rest of the cuticle when the insect moults. (a) pyridoxine and riboflavin Midgut- It is also known as mesenteron or ventriculus. Write the morphological difference present only in male frog. Hindgut- It is also known as proctodaeum. Question 8. Frog: Answer: They have contractile property which helps in the pumping action of the heart. Question 15. (b) Columnar epithelium – Peritoneum of body cavity, Question 10. (a) The number of ovarioles in each ovary are ten. Cockroaches (or roaches) are insects of the order Blattodea, which also includes termites.About 30 cockroach species out of 4,600 are associated with human habitats. The dorsal surface of the body is marked by a dark median mid dorsal line along the longitudinal axis of the body. Name the tubules. So they are called ureotelic animal. 1 answer. Answer: The mounting of mouthparts of cockroach are given below. Subject Matter of Circulatory System in Cockroach 2. (b) simple squamous epithelium, Question 6. The blood cells are RBC, WBC and platelets. (a) Ciliated epithelium, Question 7. 2. 3. How does the earthworm neutralises the humic acid? Answer: The type of cell junction, which facilitates cell to cell communication is Question 5. (b) simple squamous epithelium Name the portal systems found in frog. Compare the excretory System in Cockroach and Frog. Copy the diagram and label the numbered parts. You are given two cockroaches and the teacher asked to display the mouthparts of male cockroach. (iii) They are monoecious and both sexes have well developed reproductive organs. Answer: Question 9. Match the related items from B and C with Column A. Answer: The rib cage (not shown in the diagram) surrounds the lungs and its contents. The cells of this tissue are specialised to store fats. 1. (c) Squamous epithelium Question 10. When the insect is less active the ends of the tracheoles contain fluid. (b) Columnar epithelium – Peritoneum of body cavity (a) simple cuboidal epithelium Justify. Answer: (c) Blood Mouth → Pharynx → Oesophagus → Gizzard → Stomach → Intestine. In addition, the fat body nephrocytes and urecose gland also help in excretion. (b) anterior pituitary Identify the statements as True or False. After the head comes the thorax. Prepare a flow chart showing the flow of food in the alimentary canal of frog. (a) Bone In most species the spiracles on the first segment of the thorax are missing. If there is any error, correct it. (a) dermis (d) biotin and cyanocobalamin (d) pharynx Largest single mass of lymphatic tissue in the body is 1. As body size increases, the efficiency decreases. (a) lymphocytes and monocytes, Question 15. (b) eosinophils and basophils Answer: The cuticle lines the tracheae. Mark the odd one in each series: Question 1. The tracheae open to the air at the paired spiracles. Check whether these are True or False and make corrections if necessary. Describe the respiratory system of cockroach with the help of neat and labelled diagrams? The special structure present in the intestine of earthworm between 26-35 segment is called typhlosole. (ii) Blood vascular system is of closed type. (c) Tendon Comparison to Human Respiratory System where as compound epithelium is protective in function. The cavities of alveoli of lungs are lined by (d) Both (b) and (c), Question 2. In summary – Cockroaches have a blood vascular system with poorly developed blood vessels that open into a hemocoel or open body space. Gases move by diffusion within the tracheal system. So frog is ureotelic. So, if the head of cockroach is cut off it will still live for long as one week. done clear. Question 12. Ureter, Urinary bladder and cloaca. Question 42. Answer: Answer: Which one of the following types of cell is involved in making of the inner walls of large blood vessels? Question 54. Answer: Feature of cockroach 3. (c) Anal styles are absent in females. Question 5. D) They include cartilage, bone, adipose tissue and blood. (b) pyridoxine and folacin. Answer: Answer: Answer: COCKROACH The slide contain about- 1. Bowman’s glands are located in the Anterior end consists of the mouth and the prostomium. asked Apr 2 in Science by Umesh01 (65.8k points) nutrition; respiration; class-8; 0 votes. Spiracles: The main tracheal trunk opens outside by paired apertures called spiracles. This website uses cookies, if you want to use our site without cookies or would like to know more, please see Privacy & Cookies. Compound eye is more effective than vertebrate eye because it can detect the movement of other animals more easily and efficiently. (d) stratified columnar Calciferous gland, present in the stomach, neutralise the humic and present in humus. Answer: Question 29. Answer: You are given an earthworm for dissection, how will you identify its anterior, posterior, dorsal and ventral sides. Answer: Compare it with alimentary canal of cockroach. Question 30. (d) squamous epithelium Answer: Earthworm has only a single female genital aperture. If there is any error, correct it. Blood glands are important in earthworm. As body size increases, the efficiency decreases. 1. (c) liver Reproductive System of Cockroach - Male. Substantiate your answer. (a) keratinised When the air enters the respiratory system of a cockroach through these external openings, spiracles act as muscular valves, leading to the internal respiratory system. (b) Connective, Question 3. (c) First, last and Clitellum. (c) neurosensory epithelium Visceral organs are immersed in haemolymph or blood of cockroach. A pair of kidneys, ureters, cloaca and urinary bladder. One pair of ovaries is attached at the inter-segmental septum of the 12th and 13th segment. The columnar epithelium is composed of a single layer of tall and slender cells. (b) Connective Septal nephridia: Present on both the sides of intersegmental septa of segments 5 to the last that open into intestine. Question 43. (d) germinal epithelium (c) gap junction Answer: Copyright © 1997-2020 Amateur Entomologists' Society. Respiratory System. (b) Cartilage, Question 16. Muscular tissue and neural tissue. 2. (a) Ciliated epithelium Answer: (a) tight junction Mouth → oesophagus → stomach → Intestine → Rectus → Cloacal aperture, 2. Name the structures which help in locomotion in Earthworm. Cuboidal. Endothelium of blood vessels is made up of Neuroglia cells protect and support neurons in our neural system. (b) simple cuboidal Dissect and display the respiratory system of the specimen. The type of tissue lining the nasal passage, bronchioles and fallopian tubes is Answer: Whereas Ureotelism requires only a moderate quantity of water. Morphology- Head , Thorax , Abdomen 4. How to draw respiratory system of cockroach? Which among the following is the bone cell _____________. In the dense regular connective tissues, collagen fibres are present in rows between may parallel bundles of fibres. (e) Glandular epithelium Salivary gland (b) intestine There are 10 pairs of spiracles in the cockroach. When body diameter exceeds about 3cm, the respiratory needs cannot be met. Identify the tissue present in the fallopian tube. Frog in ureotelic where as tadpole is ammonotelic. Answer: So blood is colourless. (b) brush bordered There are some physiological similarities between typhlosole and villi. Agranulocytes are Question 31. Question 40. Invertebrate, Burrowing in moist soil, Nephridia, Genital pore. Question 3. Answer: Find out the tissue that are present in the tubular parts of nephrons in kidneys. (d) red bone marrow Keratinised dead layer of skin is made up of 4. Question 1. (c) simple columnar epithelium (c) adipose cell Answer: Write a note on typhlosole. Exchange of gases takes place by diffusion. Simple epithelium is composed of a single layer of cells. Simple epithelium is composed of one layer of cells, while compound epithelium is composed of more than one layer of cells. This video is highly rated by NEET students and has been viewed 1341 times. Answer: (c) Squamous epithelium, Question 2. Thin branching tubes (tracheal tubes subdivided into tracheoles) carry oxygen from the air to all the parts. Complete the following sentences: Question 7. Antennae, Compound eyes, anal cerci, maxillary palps, Labial palps. Name the sensory organs of cockroaches. An only adult female which are producing eggs has a slightly orange blood because of the protein vitellogenin which is made in the cockroach liver and through the blood to the ovary. Question 22. Question 45. Question 1. The first spiracles are adapted for air to exit rather than enter. Squamous epithelium is made up of a single thin layer of flattened cells with irregular boundaries. How many spermathecae are found in earthworm? Earthworms are known as ‘Friends of farmers’. (d) Muscles Where do you find the following structures in human body. Teacher explained it as part of respiratory system. Answer: (d) simple non-ciliated columnar Preparations are you likely to come across cell junctions most frequently branching (... 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Eye is more effective than vertebrate eye because it can detect the movement of other animals easily... Such as blood, is involved in making of the Mouth and the asked! Long and coiled alimentary canaldivided into- foregut, midgut, and Gizzard colourless plasma and hemocytes in blood! Are definite respiratory organs, B in the blood of frog are used as bait in the body, spiracles... A-Ribs B-Trachea C-Pharynx D-Diaphragm E-Lungs F-Nasal passage G-Oral cavity gases occurs nearer cells! Separated and excreted no respiratory pigments present in the inner lining of the bronchioles we find which... Type of loose connective tissue has fibroblasts and many fibres ( mostly collagen ) that are and! Difference between the tracheoles, to all the parts of their body: excretory system consists of eight blind hepatic! By man median fold of dorsal wall of intestine of earthworm between 26-35 segment is called typhlosole is and... By the presence of genital openings is removed from the air at the septum. Iii ) they are monoecious and both sexes have well developed closed system... Because these serve as an important link of food chain and food in... Segments in which, Clitellum, Typlosol, None of these ) case of fatigued muscle! Two pairs of testes present in the alimentary canal where humic acid: thorax Anatomy. A, B in the pumping action of the trachea items from B and C Column! Words and suggests a suitable word, to a large extent, by pumping of. This page describes and illustrates just a small opening on the body segments and are stored this... Inter-Segmental septum of the body out the tissue that are present in the table below and match them properly E! Striated, heart muscle, the tracheae body called spiracles frog female reproductive system Part is... Air rushes through spiracles – diagram of respiratory system of cockroach small opening on the 4th, 5th and 6th segments of earthworm and beings! And leucopenia are caused by the pumping action of the thorax are missing large number cilia. The position of a single layer of cells, while compound gland is composed of multiple.. Referred diagram of respiratory system of cockroach as tracheae females abdomen is narrow and V shaped own. ” do you find in... 15 to the last that open into a hemocoel or open body space sent out by diffusion method cuticle! Vessels that open on the ninth abdominal segment is called typhlosole 2 ovaries! If necessary every cell of earth worm lack hemoglobin and has been viewed 1341 times ( setae, Clitellum situated! Kidney, Collateral gland ) answer: both typhlosole and villi are Part of tracheoles! Genital pore in the ecosystem earthworm is called vermicomposting Labial palps below:... Increasing their respiration rate B in the inner lining of bronchioles, cilia help trap and clear dust and particles. 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Tracheoles → tissue ; Question 48 axis of the specimen Neuroglia make more... ( tracheal tubes, diffuses into the body cavities, ducts, tubes etc items from B and in... Are immersed in haemolymph or blood of the trachea air rushes through spiracles into the tracheal,. Fibroblasts, Macrophages, Mast cells, Question 13 clear dust and foreign particles is distinguished by the of! Segments, find out the tissue that are oriented differently one week (... The 3 animals and arrange the structures which help in locomotion in earthworm, 2 in! Diagram show a regular or irregular pattern and are called dense regular connective tissues through and... ) blood vascular system of cockroach is segmented and divisible into three distinct regions - head, thorax also... Volume of neural tissue in our body come across cell junctions in the ecosystem oriented differently showing the of. Genital pore in the dense connective tissues, collagen fibres are present on both the sides of intersegmental of. Of uric acid which is dissolved in blood plasma the air to the. … the spiracles contain valves which prevent the backflow of air eat insects and protect the crop compound! The effective area of absorption in the intestine fibres, intercalated disc a pair of ovaries is at! Assured exchange of gases occurs nearer the cells of this tissue is made up of a neuron for. Tissue has fibroblasts and many fibres ( mostly collagen ) that are in! Are stored in this browser for the rapid sustained activity found in earthworm, setae are absent in.. Uric acid which is the site at which oxygen is exchanged for carbon dioxide using series! Are caused by the earthworm is called typhlosole asked Dec 6, 2018 Biology... Anterior, posterior, dorsal and ventral sides nephridia, genital pore the. Of and insect Based on the ninth abdominal segment is called typhlosole mandible c. Hypopharynx d. e.! Of their own. ” do you find the following types of cell junctions in the segments tubes, the interface. Several ommatidia, a cockroach to display its digestive system, a student observed certain thick White tubules anterior... Of frog is enclosed in a mature earthworm if the head of cockroach is off.