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Biology Past Questions and Answers

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Waec Biology Questions

Question 1356:

Which of the following is an effector organ?

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A Tongue
B Skin
C Nose bridge
D Ear glands

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Question 1357:

During sexual reproduction in Paramecium, how many times does the zygote divide to produce eight nuclei?

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A 1
B 2
C 3
D 4

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Question 1358:

The testes in male mammals descend into the scrotal sac because

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A There is congestion in the lower abdomen
B They run the risk of being destroyed
C They need special support
D They require a relatively low temperature

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Question 1359:

Some animals return to water bodies to reproduce because

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A Natural enemies destroy their eggs on land
B Water nourishes their embryos and their young ones
C They are close to their ancestors and imitate them
D The temperature on land is not suitable for the development of their embryos

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Question 1360:

Which of the following methods is appropriate for the cultivation of cassava?

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A Budding
B Fragmentation
C Root cutting
D Stem cutting

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