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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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What are White Blood Cells MCQs Book Questions

The task of white blood cells is toThe process in which reactants react together to form a product, is calledIf air is heated, itAfter that gigantic explosion, our universe has beenIf more than one drug is used to treat specific illness, they can be mixed inThe tail of fish is important to control its