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Biology Past Questions and Answers

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Waec Biology Questions

Question 911:

Which of the following features enables the tapeworm to live successfully in the small intestine of human?

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A Hook and suckers for strong attachment
B Along neck for forming young proglottis
C The absence of segmentation and appendages
D Possession of flame cells for excretion

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Question 912:

Which of the following defines symbiosis?

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A Parasites feed on dead organisms
B Both organisms benefit mutually by living together
C Saprophytes feed on living organisms
D Organisms serve as host to parasite

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Question 913:

Plants found in the aquatic habitat are generally referred to as

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A Epiphytes
B Halophytes
C Xerophytes
D Hydrophytes

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Question 914:

When a farmer sprays crops with a pesticide, the pesticide becomes

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A Poisonous to all plants
B Is broken down by soil algae
C Easily washed down into lakes and rivers
D Absorbed by bodies of mammals

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Question 915:

Which of the following methods is best for the determination of population density of Tridax in an open held?

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A Transect
B Quadrat
C Sweep-net
D Pit-fall

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