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Biology Past Questions and Answers

Waec Biology Questions

Question 86:

The structure labelled A represents the

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A Transverse process
B Neural spine
C Neural canal
D Centrum
E Metapophysis

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Question 87:

Which of the following statements is not correct about the functions of each group
of mammalian vertebrae?

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A Cervical vertebrae support the neck
B Thoracic vertebrae articulate with the ribs
C Lumbar vertebrae provide attachment for abdominal muscles
D Sacral vertebrae support the skull and allow nodding and rotating movements
E Caudal vertebrae support the tail and provide attachment for tail muscle

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Question 88:

The stems of young herbaceous plants are kept upright mainly by

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A Osmotic pressure
B Turgor pressure
C Transpiration pull
D Suction pressure
E Root pressure.

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Question 89:

Different tissues in plants contribute to the support of the parts as a result of the following characteristics
except

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A Malleability
B Rigidity
C Flexibility
D Resilience
E Hardness

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Question 90:

Water vapour is lost in plants during transpiration through

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A Stomata and lenticels
B Xylem and stomata
C Sclerenchyma and stomata
D Parenchyma and lenticels
E Guard cells and lenticels

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