Diseases Cause and Control Very Short Answer Biology Class-9 ICSE Selina Publishers Solutions Chapter-16. Step By Step ICSE Selina Concise Solutions of Chapter-16 Diseases Cause and Control with Exercise-16 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.
Diseases Cause and Control Exe-16 Very Short Answer Biology Class-9 ICSE Concise Selina Publishers
| Board | ICSE |
| Publications | Selina Publication |
| Subject | Biology |
| Class | 9th |
| Chapter-16 | Diseases Cause and Control |
| Book Name | Concise |
| Topics | Solution of B. Very Short Answer Type |
| Academic Session | 2023-2024 |
B. Very Short Answer Type
Diseases Cause and Control Class-9 Biology Concise Solutions
Page 175
Question 1.
Correct the following statements by changing the first/last word only.
(a) Sporadic diseases are widely distributed worldwide.
(b) Yellow fever is an epidemic disease.
(c) Chicken pox is caused by a bacterium.
(d) Haemophilia is a kind of an allergy.
(e) Ascariasis is caused by a tapeworm.
Answer:
(a) Pandemic diseases are widely distributed worldwide.
(b) Yellow fever is an endemic disease.
(c) Chicken pox is caused by a virus.
(d) Haemophilia is a kind of genetic disease.
(e) Ascariasis is caused by a roundworm.
Question 2.
Write the full forms of the following abbreviations:
(a) HIV
(b) AIDS
(c) BCG
(d) COVID-19
(e) RNA
Answer:
(a) HIV: Human Immunodeficiency Virus
(b) AIDS: Acquired Immuno Deficiency Syndrome
(c) BCG: Bacillus Calmette-Guerin
(d) COVID-19: Corona Virus Disease 2019
(e) RNA: Ribo-nucleic Acid
Question 3.
Mention whether the following statements are true (T) or false (F).
(a) Filariasis is transmitted by the housefly. T/F
(b) Malaria is caused by a protozoan. T/F
(c) BCG vaccine is used for chicken pox. T/F
(d) Louis Pasteur discovered a cure for malaria. T/F
(e) AIDS is caused by a bacterium. T/F
(f) HIV is a serious disease, usually fatal. T/F
(g) AIDS is not transmitted by contact with a patient’s clothes. T/F
(h) Chicken pox and hepatitis are bacterial diseases. T/F
(i) Goitre is endemic in sub-Himalayan regions of India. T/F
(j) AIDS is caused by a fungus. T/F
(k) Hay fever and asthma are allergies. T/F
(l) Smallpox still occurs in India. T/F
(m) The disease filariasis is caused by the bite of the female anopheles mosquito.
Answer:
(a) F (False). Filariasis is transmitted by the Culex mosquito.
(b) T (True)
(c) F (False). BCG vaccine is used for tuberculosis.
(d) F (False). Louis Pasteur discovered a cure for rabies.
(e) F (False). AIDS is caused by a virus.
(f) T (True)
(g) T (True)
(h) F (False). Chicken pox and hepatitis are viral diseases.
(i) T (True)
(j) F (False). AIDS is caused by HIV virus.
(k) T (True)
(l) F (False). Smallpox has been eradicated from India.
(m) F (False). The disease filariasis is caused by the filarial worm Wuchereria bancrofti.
B. Very Short Answer Type
Diseases Cause and Control Class-9 Biology Concise Solutions
Page 176
Question 4.
Name the following:
(a) The vaccine for preventing tuberculosis …………… .
(b) An organ usually affected by tuberculosis…………… .
(c) A disease that weakens body’s defense system against infections …………… .
(d) The microorganism that requires a host to reproduce …………… .
(e) The popular name of the disease filariasis …………… .
Answer:
(a) BCG
(b) Lungs
(c) AIDS
(d) Virus
(e) Elephantiasis
Question 5.
Name:
(a) Four categories of diseases on the basis of their occurrence.
(b) Two categories of diseases based on their communicability.
(c) Two degenerative/ageing diseases.
(d) Three diseases caused by protozoans.
(e) Three diseases caused by helminths.
Answer:
(a) Endemic, Epidemic, Pandemic, Sporadic
(b) Communicable and Non-communicable
(c) Arthritis, Cataract
(d) Malaria, Amoebic Dysentery, Sleeping Sickness
(e) Ascariasis, Taeniasis, Filariasis
Question 6.
Match the terms given in Column A with those of column B:
| Column A | Column B |
|---|---|
| Allergy | Thalassemia |
| Metabolic disease | Cataract |
| Genetic disease | Leukemia |
| Degenerative disease | Hay fever |
| Cancer | Diabetes mellitus |
Answer:
| Column A | Column B |
|---|---|
| Allergy | Hay fever |
| Metabolic disease | Diabetes mellitus |
| Genetic disease | Thalassemia |
| Degenerative disease | Cataract |
| Cancer | Leukemia |
Question 7.
The first pair indicates the kind of relationship that exists between the first two terms. Rewrite and complete the second pair on a similar basis:
(a) April 7 : World health day :: December 1 : ……………
(b) Malaria: Plasmodium :: Filariasis : ……………
(c) Hepatitis: Liver :: Tuberculosis : ……………
(d) Mumps: Viral disease :: Typhoid : ……………
(e) Covid- 19: Pandemic :: Yellow fever : ……………
Answer:
(a) April 7 : World health day :: December 1 : World Aids day.
(b) Malaria: Plasmodium :: Filariasis : Wuchereria bancrofti.
(c) Hepatitis: Liver :: Tuberculosis : Lungs.
(d) Mumps: Viral disease :: Typhoid : Bacterial.
(e) Covid- 19: Pandemic :: Yellow fever : Endemic.
Question 8.
(b) Hepatitis, Ascariasis, Chicken pox, Poliomyelitis
(c) Elephantiasis, Ascariasis, Taeniasis, Hepatitis
(d) Depression, Beri-beri, Scurvy, Night-blindness
(e) Malaria, Amoebiasis, Sleeping sickness, Cataract
Answer:
(a) Odd one out — Malaria
Cholera, Typhoid, Tuberculosis — Bacterial Diseases
(b) Odd one out — Ascariasis
Hepatitis, Chicken pox, Poliomyelitis — Viral diseases
(c) Odd one out — Hepatitis
Elephantiasis, Ascariasis, Taeniasis — Diseases caused by parasitic worms.
(d) Odd one out — Depression
Beri-beri, Scurvy, Night-blindness — Deficiency diseases
(e) Odd one out — Cataract
Malaria, Amoebiasis, Sleeping sickness — Protozoan disease.
— : End of Diseases Cause and Control B. Very Short Answer Class-9 ICSE Biology Solutions :–
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