IGCSE O Level Biology Practice Test 58

Heart: O Level Biology MCQs (Multiple Choice Questions) PDF Download - 58

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The MCQs: Semilunar valves are present at the bases of; "Heart: O Level Biology" App (Android, iOS) with answers: aorta only, pulmonary artery only, pulmonary artery and aorta, and pulmonary veins to learn online schools courses. Practice Transport in Mammals Questions and Answers, Google eBook to download free sample for accredited online college courses.

Heart: O Level Biology MCQ with Answers PDF Download: Quiz 58

MCQ: 286

Semilunar valves are present at the bases of

pulmonary artery only
aorta only
pulmonary veins
pulmonary artery and aorta

MCQ: 287

If the trees are cleared, annual rain fall

increases causing flood
decreases and the area becomes dry
decreases but increases moisture
increases but decreases moisture

MCQ: 288

First use of pure microbiological process in an industrial procedure was made by Chaim Weizmann in

1921
1925
1917
1907

MCQ: 289

In brain hypothalamus forms the

walls of medulla oblongata
floor of the cerebral hemispheres
base of the cerebellum
top of the medulla

MCQ: 290

To hydrolyze Tristearin, the enzyme used is

sucrose
lipase
maltase
amylase

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