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Biology Past Questions and Answers

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Biology Questions

Question 296:

In a dicot leaf, guard cells differ from other epidermal cells because they

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A Have no definite shape
B Lack nuclei
C Are smaller
D Contain chloroplast
E Lack vacuole

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Question 297:

Which of the following structure is NOT found in the female agama lizard?

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A Pre-anal pads
B Eardrum
C Gular fold
D Nasal scale
E Nuchal crest

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Question 298:

Herbs differ from shrubs because they

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A Do not produce fruit
B Are useful to herbalist
C Do not become woody
D Are only annual
E Are only perennials

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Question 299:

If an organic compound has its hydrogen: oxygen ratio as 2:1, it is likely to be

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A A protein
B A cabohydrate
C A fat
D A fatty acid and glycerol
E An amino acid

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Question 300:

Which of the following elements are necessary for the formation of chlorophyll in a plant?

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A Magnesium and iron
B Calcium and potassium
C Calcium and sulphur
D Potasium and sulphur
E Phosphorus and potassium

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