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Biology Past Questions and Answers

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Biology Questions

Question 221:

Accommodation of the human eye is best described as the

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A Ability to see distant objects
B Movement of upper and lower eyelids
C Focusing of near and distant objects
D Changing of lens shape due to varying light intensities
E Constant adjustment of the iris

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Question 222:

Normally any character shown by an organism is due to the effects of

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A Hormones and chromosomes
B Chromosomes
C Mutation
D Hormones and genes
E Genes and enviroment

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Question 223:

Which of the following statement is NOT true of symbiosis?

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A Symbionts must be living
B It is an association of 'give and take'
C The association may involve two plants
D Association between two similar species
E Symbionts derive mutual benefit

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Question 224:

A person whose blood can be donated to all other people, must have the blood group

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A O
B AB
C B
D A
E None of the above

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Question 225:

If Benedict's solution gives a positive result in a food test, the food contains

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A Sugar
B Protein
C Oil
D Fat
E Cellulose

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