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Class 7 science Practice Tests

Class 7 Science Online Tests

What are White Blood Cells MCQ Quiz Online PDF Download

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Class 7 Science: What are White Blood Cells MCQs PDF Download

MCQ: The task of white blood cells is to

A) defend a body from disease
B) transport oxygen
C) heal wounds
D) refresh heart

MCQ: If bacteria are taken over by white blood cells, their life span

A) decreases
B) increases
C) remains same
D) may increase or decrease

MCQ: White blood cells live long because they have

A) centrioles
B) white color
C) nucleus
D) cell membrane

MCQ: 'White blood' cells are made in

A) liver
B) bone marrow
C) spleen
D) blood

MCQ: Some types of white blood Cells also produce

A) antigens
B) antibodies
C) useful bacteria
D) useful viruses

Practice Tests: Class 7 Science Exam Prep

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