Study Combined Science revision pack for O-Level. Useful for revision, homework, and exam preparation in Zimbabwe.
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This is the O-Level Combined Science revision pack. It is a free revision pack for revision.
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SUNSHINE PRIVATE TUTORS
COMBINED SCIENCE PAPER 1, 2 \& 3 QUESTIONS
Examination type questions
1. Where in a plant leaf does photosynthesis occur?
(A) Palisade layer (B) Stomata (C) Vascular tissue (D) Mesophyll
2. Which structures do not act like a store for starch in a plant
(A)Tubers (B) Seeds (C) leaves (D) Roots
3. The equation for photosynthesis;
21
(A)Carbon dioxide + Oxygen Carbohydrates + water
(B) Carbon dioxide + water -_light Carbohydrates + oxygen
Chlorophyll
(C) Carbohydrates + water $\xrightarrow{\text { light }}$ Carbon dioxide + water
Chlorophyll
(D) Carbon dioxide + water → tight Carbohydrates + oxygen
Chlorophyll
4. Sketch the cross sectional of a leaf and label;
i) Upper and lower
epidermis
[6]
ii) Palisade
iii)
Stomach
/guard cells
b) State and explain the adaptation of the leaf for the process of photosynthesis [6]
5. Discuss the importance of photosynthesis to life in general [6]
Turn-Up College 'O' Level Integrated Science Study Pack
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