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IGCSE O Level Biology Practice Test 199

Red Blood Cells in Mammals Quiz PDF: Questions and Answers - 199

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Red Blood Cells in Mammals Questions and Answers PDF Download: Quiz 199

MCQ 991: In mammals all is true about Red Blood Cells (RBCs) , but

A) has a diameter of .01 mm
B) contains nucleus
C) are biconcave in appearance
D) can squeeze through capillaries

MCQ 992: Flood may be an outcome if

A) trees do not retain water
B) eroded soil gets deposited in rivers and streams
C) water levels rise rapidly in rivers
D) all of above

MCQ 993: Leaf stalk enables in rapid

A) diffusion of carbon dioxide
B) diffusion of maximum sunlight
C) loss of water
D) conversion of physical energy in chemical energy

MCQ 994: Incomplete burning of fuel causes

A) decrease in annual rain fall
B) decay of fossil fuels
C) rapid sheet erosion
D) pollution

MCQ 995: Mosquito egg remain afloat due to

A) water vapors around them
B) air floats around them
C) air sacs around them
D) higher density of it compared to water

IGCSE O Level Biology Exam Prep Tests

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Red Blood Cells in Mammals App (Android & iOS)

Red Blood Cells in Mammals App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (Android & iOS)

Cell Biology App (Android & iOS)

Cell Biology App (Android & iOS)

Phylum App (Android & iOS)

Phylum App (Android & iOS)