O Level Biology Practice Test 164

Heart: O Level Biology Test Questions PDF - 164

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Biology Tests Online: Heart: O Level Biology Quiz PDF Download - 164

MCQ: Left atrium moves to left ventricle, carrying

A) oxygenated blood

B) deoxygenated blood

C) oxyhemoglobin

D) carboxyhemoglobin

MCQ: When the brain is viewed from above in man, the visible part of brain is

A) medulla oblongata

B) Cerebral hemisphere

C) cerebellum

D) pituitary gland

MCQ: Rickets is caused due to the deficiency of

A) Vitamin B complex

B) Vitamin E

C) Vitamin K

D) Vitamin D

MCQ: In plants upon soaking, the testa

A) sheds itself

B) becomes swollen

C) becomes permeable for gaseous exchange

D) becomes hard

MCQ: Lives of organisms are greatly affected by

A) Producers

B) Consumers

C) Decomposers

D) consumers and decomposers

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