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Biology Past Questions and Answers

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Waec Biology Questions

Question 856:

Forest conservation includes the following except

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A Prevention of bush-fires
B Extensive felling of forest trees
C Replacing of harvested trees by planting seedlings
D Selective exploitation of forest trees

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Question 857:

Legumes incorporate nitrogen gas into their proteins because

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A Of the presence of Azotobacter in their roots
B They possess root nodules containing Rhizobium
C They have a well developed root system
D They are autotrophic

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Question 858:

Which of the following is an example of discontinuous variation?

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A The range in height of a pea plant from 30cm to 50cm
B Offspring, including the two male cats and three female cats
C The colour of pear plants grown in the dark
D The adult body weight ranging from 50 kg t0 95 kg

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Question 859:

Which of following pairs of scientists discovered the Rhesus factor in human blood?

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A Hooke and Lavine
B Darwin and Landsteiner
C Landsteiner and Lavine
D Hooke and Darwin

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Question 860:

The organic molecule (s) present in the nucleus is/are

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A DNA
B Protein, RNA andDNA
C RNA and ATP
D RNA

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