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Biology Past Questions and Answers

Waec Biology Questions

Question 1841:

Species can be defined as the group of organisms that

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A Resemble each other and live in the same habitat
B Are of common origin and are always found together
C Resemble each other and can interbreed freely
D Resemble each other and occupy the same niche
E Are of common origin but cannot interbreed freely

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Question 1842:

Which of the following is not true about gene mutation? It

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A Introduces new traits into a population
B Causes changes in the DNA
C May have unnoticeable effect on the phenotype
D Always affects the chromosome number
E Is a source of new genes

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Question 1843:

The plants best adapted for life in the desert are

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A I and IV only
B II and IV only
C Ill and IV only
D LV and V only
E I Il Ill and V

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Question 1844:

The rate of transportation will be highest In

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A I
B II
C III
D IV
E V

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Question 1845:

Which of the following has the most primitive respiratory system?

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A Rat
B Fish
C Toad
D Grasshopper
E Lizard

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