IGCSE O Level Biology Practice Test 346

Biology Tests Online MCQ (Multiple Choice Questions) PDF - 346

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Biology Tests Online Questions and Answers PDF Download: Quiz 346

MCQ 1726: Lack of ascorbic acid causes

A) tooth decay

B) demineralization of bones

C) calcification of soft tissues

D) poor healing of wounds

MCQ 1727: Epidermal cells perform the function of

A) producing sugars

B) protecting the inner regions of leaf

C) regulating the amount of water lost

D) chloroplast storage

MCQ 1728: In an ecosystem, Pneumatophores grow

A) downward in water

B) downward in soil

C) upward in water

D) upward in soil

MCQ 1729: Night blindness is caused due to the deficiency of

A) vitamin A

B) vitamin B complex

C) vitamin D

D) vitamin K

MCQ 1730: Garlic is an example of

A) rhizome

B) corm

C) stem tuber

D) bulb

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