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SAI International School
Subject- Biology
Chapter- Why do we fall ill?
Subtopic- Principles of Treatment
Module-22
Home Assignment–1

Objective(MCQ)

1. Which of the following statements is correct regarding vaccination?
(a) It develops resistance against pathogen attack.
(b) It kills pathogen causing disease
(c) It blocks the food supplied to pathogens
(d) It does not allow pathogens to multiply in hosts.
2. We should not allow mosquitoes to breed in our surroundings as they
(a) Are vectors of many diseases
(b) Bite and cause skin diseases
(c) Are not economical important insects
(d) Cause pollution
3. Viruses, which cause hepatitis, are transmitted through
(a) air
(b) water
(c) food
(d) personal contact
4 Which one of the following disease is not transmitted by mosquito?
(a) Brain fever
(b) Malaria
(c) Typhoid
(d) Dengue
5 AIDS cannot be transmitted by
(a) sexual contact
(b) hugs
(c) breast feeding
(d) blood transfusion
6 Vectors can be defined as
(a) animals carrying the infecting agents from sick person to another healthy
person
(b) microorganisms which cause many diseases
(c) infected person
(d) diseased plants
7 DPT vaccine is given to develop immunity against ________ disease.
(a) Tetanus
(b) Diphtheria
(c) Pertussis
(d) All of these
8 Few preventions of a disease are given below. Find out the name of the
disease based on the given preventions.
(i) Disposable needles and syringes should be used.
(ii) Shaving blades or razors should not be shared.