Aids to Health MCQs Biology Class-9 ICSE Selina Publishers

Aids to Health MCQs Answer Biology Class-9 ICSE Selina Publishers Solutions Chapter-17. Step By Step ICSE Selina Concise Solutions of Chapter-17 Aids to Health with Exercise-17 including MCQs, Very Short Answer Type, Short Answer Type, Long Answer Type and Structured/Application Questions Solved Visit official Website CISCE for detail information about ICSE Board Class-9.

Aids to Health Exe-17 MCQs Answer Biology Class-9 ICSE Concise Selina Publishers

Board ICSE
Publications Selina Publication
Subject Biology
Class 9th
Chapter-17 Aids to Health
Book Name Concise
Topics Solution of A. MCQs Answer Type
Academic Session 2023-2024

A. Multiple Choice Answer Type 

Aids to Health Class-9 Biology Concise Solutions  

Page 186

Question 1. Choose the correct answer from the options given below:

(a) Penicillin is

(i) an antiseptic

(ii) a disinfectant

(iii) an antibiotic

(iv) an anti-toxin

Answer:

(iii) An antibiotic

(b) Which of the following immunity is present from our birth?

(i) Innate immunity

(ii) Active immunity

(iii) Passive immunity

(iv) Acquired immunity

Answer:

(i) Innate immunity

(c) Naturally acquired active immunity would be most likely acquired through which of the following processes?

(i) vaccination

(ii) drinking colostrum

(iii) natural birth

(iv) previous infection with a disease-causing organism

Answer:

(iv) previous infection with a disease-causing organism

(d) DPT stands for

(i) Diphtheria, Polio and Tetanus

(ii) Diphtheria, Pertussis and Tetanus

(iii) Dysentery, Polio and Typhoid

(iv) Diphtheria, Polio and Typhoid

Answer:

(ii) Diphtheria, Pertussis and Tetanus

(e) Vaccines are

(i) An extract of toxins secreted by bacteria

(ii) An extract of dead and weakened microbes

(iii) Strong chemicals obtained from fungi

(iv) Chemicals that are applied on the skin to kill bacteria

Answer:

(ii) An extract of dead and weakened microbes

(f) The letter “B” in the name BCG vaccination stands for:

(i) Brief

(ii) Beri-beri

(iii) Bacteria

(iv) Bacillus

Answer:

(iv) Bacillus


A. Multiple Choice Answer Type 

Aids to Health Class-9 Biology Concise Solutions  

Page 187

(g) The body’s defense against diseases is termed as:

(i) Hygiene

(ii) Immunity

(iii) Health

(iv) None of these

Answer:

(ii) Immunity

(h) The slimy secretion of the epithelial lining of the various organs is called:

(i) Antiseptic

(ii) Antibodies

(iii) Both (i) & (ii)

(iv) Mucus

Answer:

(iv) Mucus

(i) Which of the following is not a germ-killing secretion?

(i) Blood

(ii) Saliva

(iii) Tears

(iv) Sweat

Answer:

(i) Blood

(j) Antibody is a blood serum protein produced in response to:

(i) Antitoxins

(ii) Antibiotics

(iii) Antigens

(iv) Antiseptics

Answer:

(iii) Antigens

—  : End of Aids to Health A. MCQs Answer Class-9 ICSE Biology Solutions :–

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