Selina ICSE Class 9 Biology Solutions Chapter 11 Digestive System

Q) Multiple choice questions:- 1) Pylorus is an opening from:a) oseophagus into stomachb) mouth cavity into stomachc) stomach into intestined) intestine into rectumSolution: (c) stomach into intestine 2) Gastric juice containsa) HCl and pepsinb) pepsin and trypsinc) trypsin and HCld) amylopsin and pepsinSolution: (a) HCl and pepsin 3) The water from the digested food is mainly absorbed […]

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Selina ICSE Class 9 Biology Solutions Chapter 14 The Respiratory System

Multiple Choice Questions:- 1) During inspiration, the diaphragma) relaxesb) contractsc) expandsd) gets foldedSolution: (b) contracts 2) The ultimate end parts of the respiratory system in humans are known asa) alveolib) bronchiolesc) tracheolesd) bronchiSolution: (a) alveoli 3) During respiration there isa) gain in dry weightb) loss in dry weightc) no change in dry weightd) increase in […]

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Selina ICSE Class 9 Biology Solutions Chapter 15 Hygiene A Key To Healthy Life

Q) Multiple Choice Questions:- 1) No urination due to shortage of water in the body is a typical symptom ofa) typhoidb) malariac) dysenteryd) choleraSolution: (d) cholera 2) Which one of the following is an unhealthy habit?a) Removing wax from inside the earsb) Keeping the mouth closed while breathingc) Sleeping for only 6-7 hoursd) Sharing towels with […]

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Selina ICSE Class 9 Biology Solutions Chapter 12 Movement And Locomotion

Multiple Choice Questions:- 1) Your external ear (pinna) is supported bya) Boneb) Cartilagec) Tendond) CapsuleSolution: (b) Cartilage 2) The type of joint found at shoulder is also found ata) Elbowb) Kneec) Ankled) HipSolution: (d) Hip 3) Which one of the following categories of vertebrae are correctly matched?a) Cervical-7b) Thoracic-10c) Lumbar-4d) Sacral-4Solution: (a) Cervical-7 4) Human skeleton altogether contains […]

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Selina ICSE Class 9 Biology Solutions Chapter 9 Economic Importance Of Bacteria And Fungi

Q) Multiple choice question:- 1) Bacteria are no more classified as plants primarily because:a) these are unicellularb) these are microscopicc) many of them are parasiticd) they have no chlorophyllSolution: (d) they have no chlorophyll 2) A particular species of which one of the following, is the source bacterium of the antibiotic, discovered next to penicillin, […]

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Selina ICSE Class 9 Biology Solutions Chapter 8 Five Kingdom Classification

Question 1. Multiple Choice Question:- 1) The animals (Kingdom Animalia) are mainly grouped under two categoriesa) bilaterally symmetrical and radially symmetricalb) coelomate and acoelomatec) aquatic and terrestriald) vertebrates and invertebratesSolution: (d) vertebrates and invertebrates 2) Which one of the following examples do not come under the particular group?a) Mushroom, Yeast, Fern – Fungib) Paramoecium, Euglena, Sponge […]

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Selina ICSE Class 9 Biology Solutions Chapter 19 Waste Generation And Management

Q) Multiple Choice Type:- 1) The most convenient reusable wastes area) Old newspapersb) Broken glassc) Flyashd) Medical instrumentsSolution:: (a) Old newspapers 2) The most rapidly increasing and much harmful waste today isa) plasticsb) pesticidesc) municipal sewaged) electronic wasteSolution:: (a) plastics Q) Name the Following:- Question 1) The solid precipitated material produced during secondary treatment of the […]

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