Hemoglobin is dissolved in the plasma. Answer: Habitat of stomach. 3. 4. Simple epithelium is composed of one layer of cells, while compound epithelium is composed of more than one layer of cells. Question 28. Simple epithelium functions as lining for the body cavities, ducts, tubes etc. The head of cockroach holds a bit of a nervous system while the rest is situated along the ventral part of its body. In females abdomen is broad and anal styles are absent. What are the cellular components of blood? Answer: (b) liver Simple epithelium is composed of a single layer of cells. (iii) They are monoecious and both sexes have well developed reproductive organs. Setae, Question 20. The respiratory organ of cockroach is known as tracheae. The respiratory system consists of a network of trachea, that open through 10 pairs of small holes called spiracles present on the lateral side of the body. Keratinised dead layer of skin is made up of Give the common name of Periplaneta Americana. • Expiration is a active process. The respiratory system of an insect is very efficient for small organisms. Identify the animals from the hints given below. (b) Columnar epithelium – Peritoneum of body cavity, Question 10. Write the missing word in 4th place. Answer: Question 11. Earthworm – Nephridia; Cockroach – ……………. (e) Glandular epithelium Salivary gland Between kidney and lower parts of the body. Question 24. Question 11. The cockroaches are an ancient group, dating back at least as far as the Carboniferous period, some 320 million years ago. A – Found in the wall of internal organs and concerned with the movement of these organs. Answer: Question 47 Question 4. (d) stratified columnar While dissecting a cockroach to display its digestive system, a student observed certain thick white tubules. (b) 14 -16 Question 1. Frog have a lymphatic system also. Hypochronic microcytic anaemia and leucopenia are caused by the deficiency of respectively. In addition, the fat body nephrocytes and urecose gland also help in excretion. Answer: There are 10 pairs of spiracles in the cockroach. Gases are moved, to a large extent, by pumping actions of the body segments. They have contractile property which helps in the pumping action of the heart. List the organs from (A) to (G). (ii) Blood vascular system is of closed type. Flow chart showing flow of food through the alimentary canal of an earthworm given. Largest single mass of lymphatic tissue in the body is So cockroach is known as uricotelic animal. (d) biotin and cyanocobalamin (d) Peristomium and Clitellum Classify them under three headings. Calciferous gland, present in the stomach, neutralise the humic and present in humus. It is dorsal-ventrally flattened to enable it to ship easily into narrow species. Check whether these are True or False and make corrections if necessary. Answer: This kind of vision is known as mosaic vision. 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. Ureter, Urinary bladder and cloaca. Teacher explained it as part of respiratory system. 2. D – Rectum. You are given permanent slides of a bone and cartilage. Labrum, mandibles, Hypopharynx, maxilla and Labium. Write a note on typhlosole. Agranulocytes are Answer: All the four types of tissues. Answer: Difference between male and female cockroach 5. The cuticle lines the tracheae. Answer: When air through external openings, enters into its respiratory system, spiracles serve as muscular valves paving way to the internal respiratory system. Mouth → oesophagus → stomach → Intestine → Rectus → Cloacal aperture, 2. Copyright © 1997-2020 Amateur Entomologists' Society. Answer: How many segments are present in the abdomen of cockroach? Each compound eyes in cockroach consists of about 200 ommatidia. Excretory organs in earthworm is nephridia. Question 36. Answer: A cockroach has small openings on the sides of its body, called spiracles. The abdomen of cockroach consists of 10 segments. Excretion is performed by malpighian tubules. 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. “All glands in our body do not have ducts of their own.” Do you agree with this statement. Answer: Question 25. Therefore, cockroach is called Uricotelic. Answer: Question 6. (d) Hyaline cartilage Answer: Question 16. (d) None of these Heart is made of Question 15. Question 16. Question 2. If you continue to use this site we'll assume that you're happy with this. Question 49. Exchange of gases takes place by diffusion. Respiration in Cockroach. Cuboidal. (c) ciliated epithelium Answer: (b) brush bordered, Question 3. Question 20. (b) simple cuboidal There are three types of nephridia in the earthworm: septal nephridia, present on both the sides of intersegmental septa of segment 15 to the last that open into intestine, integumentary nephridia, attached to lining of the body wall of segment 3 to the last that open on the body surface and pharyngeal nephridia, present as three paired tufts in the 4, Septal nephridium and pharyngeal nephridium. Identify the tissue present in the fallopian tube. (d) cubical epithelium The respiratory system is enlarged- making rapid flight capable. This video is highly rated by NEET students and has been viewed 1341 times. A cockroach respires through trachea and excretes through malpighian tubules. Question 19. While viewing the fallopian tube through CT scan we can find large number of cilia. Draw a flow chart showing the flow of air through this system. The structures protect and support neurons in neural system. 4. Answer: The columnar epithelium is composed of a single layer of tall and slender cells. In which one of the following preparations are you likely to come across cell junctions most frequently? Ammonotelism demands an excess of water in the body. Answer: Question 37. (b) pyridoxine and folacin Question 5. Epithelial tissue and Muscular tissue. (b) The larval stage is called caterpillar A pair of kidneys, ureters, cloaca and urinary bladder. They are lined by Observe the given diagram of human respiratory system. (c) adipose cell D) Hypopharynx Hence it is the respiratory system of insects which restricts their body size. Write any two morphological differences between male and female cockroaches. Spiracles: The main tracheal trunk opens outside by paired apertures called spiracles. Question 10. (b) epidermis (e) brush borders Question 17. The six legs are helpful in … As body size increases, the efficiency decreases. Name the labeled parts A, B in the diagram given below They absorb nitrogenous waste products and convert them into uric acid which is excreted out through the hind gut. Their role is to facilitate movement of organs like hands and feet. Both squamous and columnar epithelium are simple epithelium. E) Maxilla. Insects take in Oxygen and expel Carbon Dioxide using a series of internal air tubes, the tracheae. In cockroach the fertilized eggs are encased in capsule called __________ The respiratory system of an insect is very efficient for small organisms. Musculartissue and connective tissue. The atmospheric air directly comes in contact with the various organs of the body and therefore, the blood is not used for respiration. The cells of this tissue are specialised to store fats. It is short, tubular and lined with glandular endoderm. 15. zThe respiratory system consists … There are three types: 1. (a) dermis (d) Muscles Write the suitable world for the 4th place. How many segments are present in the abdomen of cockroach. In cockroach, respiration takes place through a small opening on the sides of its body called spiracles. (c) liver Answer: How do you account for it? (c) 10-14 In earthworm blood circulatory system is closed type. They are also used as bait in the game fishing. (d) basophils and monocytes Fragment, shape … (a) squamous epithelium Classification of cockroach 2. (a) stratified squamous, Question 5. c. Hypopharynx Given below are different types of epithelial tissues. Answer: Question 8. (c) gap junction, Question 4. Question 2. These pass fine branches, the tracheoles, to all parts of the body. ADVERTISEMENTS: In this article we will discuss about the Circulatory System in Cockroach:- 1. Copy and complete the animals on the table and the excretory organs. The spiracles contain valves which prevent the backflow of air. Answer: (b) liver, Question 17. Name the respiratory organs of insects. (c) trachea Compound eye is more effective than vertebrate eye because it can detect the movement of other animals more easily and efficiently. Mouth → Pharynx → Oesophagus → Gizzard → Stomach → Intestine. Answer: Explain the respiratory system in cockroaches. After the head comes the thorax. Describe the respiratory system of cockroach with the help of neat and labelled diagrams? Trachea. Question 7. Answer: • In cockroach major amount of C02 is sent out by diffusion method through cuticle. Answer: The posterior end is slightly rounded. (b) anterior pituitary Name the portal systems found in frog. Gases move by diffusion within the tracheal system. It is an internal median fold of dorsal wall of intestine. (c) gap junction Frogs are beneficial for mankind. Give the common name of Periplanata americana. The lining of intestine and kidneys in human is (b) simple squamous epithelium, Question 6. If the head of cockroach is cut off, it will still alive for as long as one week. Blood cells are phagocytic in nature. Answer: So frog is ureotelic. ... Diffusion alone does not meet the respiratory demands of the animal. Answer: Intestine of earthworm contain a special organ which help in absorption. Excretory system consists of a pair of kidneys. Answer: (d) pharynx (e) stratified columnar epithelium Dissect and display the respiratory system of the specimen. Integumentary nephridia: attached to lining of the body wall of segment 3 to the last that open on the body surface. From the main trunks, tracheoles pass throughout the body. Tracheae: The respiratory system of cockroach is composed of a branching system or air tubules called tracheae. Answer: Give an account on Nephridia of earthworm. Septal nephridia, present on both the sides of intersegmental septa of segment 15 to the last that open into intestine. Question 3. This arrangement does vary with different species. Question 50. Write the function of neuroglial cells. The tracheoles end within the body cells. (b) Columnar epithelium – Peritoneum of body cavity Answer: Find out the wrongly matched pair. _____________ make up more than one half the volume of neural tissue in our body. Question 35. Match the following with reference to Cockroach and choose the correct option. Earthworm feeds on humus, which contain large amount of humic acid. Foregut- It is also known as stomadaeum and is divided into buccal chamber, pharynx, oesophagus, crop, and gizzard. Answer: 5. Question 22. Gases are moved, to a large extent, by pumping actions of the body segments. Carotene pigment is found in the cells of Dense irregular connective tissue has fibroblasts and many fibres (mostly collagen) that are oriented differently. (d) squamous epithelium Name the four structure helps in excretion in cockroaches. In most species the spiracles on the first segment of the thorax are missing. Answer: Question 1. (Typhlosole, Malpighian tubules, Blood glands, Cloaca, Phallic gland, Kidney, Collateral Gland) Answer: 4. Answer: Simple gland is composed of single cell, while compound gland is composed of multiple cells. How many spermathecae are found in earthworm? How to draw respiratory system of cockroach? So they does not require any respirations pigment. These spiracles are present on the lateral sides of the body. Ask for details ; Follow Report by Nishi2465 16.04.2018 Log in to add a comment The type of tissue lining the nasal passage, bronchioles and fallopian tubes is All the four types of tissues. Teacher explained it as part of respiratory system. Malpighian tubules are the main excretory organs of the cockroach. Correct the flow chart if there is any mistake. Question 12. They produce blood cells and hemoglobin. Answer: Question 30. The process of increasing fertility of soil by the earthworm is called vermicomposting. Cockroach is uricotelic animal. d. Maxilla Diagram show a trachea system of and insect Based on the diagram explain the gases exchange between the tracheoles and muscle cells. (c) Squamous epithelium (b) intestine How many types of nephridia are found in earthworm based on their location? As a biological student do you agree with this statement? Cockroach: (Setae, Clitellum, Typlosol, None of these). Save my name, email, and website in this browser for the next time I comment. Name three types of cell junctions in the epithelium. Animal contains an open type of circulatory system with blood flowing in blood spaces. Where they found in our body? (b) Cartilage Justify. Answer: Question 9. Adaptation’s to survive in the environment. Mark the odd one in each series: Question 1. Answer: So tadpole is ammonotelic. Answer: Diagram of Part of the Tracheal System of a Cockroach. asked Apr 2 in Science by Umesh01 (65.8k points) nutrition; respiration; class-8; 0 votes. (b) Cartilage These tracheae are lined by chitin. Answer: Hindgut- It is also known as proctodaeum. 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. ‘Neuroglia make up more than one half the volume of neural tissue in our body’. Identify the diagram given below. Cockroach respiratory organ is trachea. where as compound epithelium is protective in function. Question 54. Blood – The main circulating fluid that help in the transport of various substances. At the end of the bronchioles we find alveoli which is the gas exchange surface of the human respiratory system. One pair of ovaries is attached at the inter-segmental septum of the 12th and 13th segment. Question 16. In cockroach, respiration takes place through a small openings on the sides of its body called spiracles. Question 61. (b) adhering junction ‘An earthworm respires through skin and excretes through nephridia’ Rewrite the above sentence beginning with ‘A cockroach ………………..’ making appropriate (d) simple non-ciliated columnar (c) simple columnar epithelium (d) olfactory epithelium of our nose, Question 8. Answer: (a) Ciliated epithelium First segment of earthworm is Prostomium. • In cockroach respiratory movements are controlled and coordinated by nervous system. Name the structures which help in locomotion in Earthworm. In Frog blood circulatory system is closed type. It has a long and coiled alimentary canaldivided into- foregut, midgut, and hindgut. (b) simple squamous epithelium So they are called ureotelic animal. Frog: Question 3. Answer: Find out the tissue that are present in the tubular parts of nephrons in kidneys. Earthworms are known as ‘Friends of farmers’. Question 1. Red blood cells (RBC), White blood cells (WBC) and platelets. 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