Waec Biology Past Questions and Answers

Question 1561:

• WAEC 2014

Which of the following statements about chromosomes is correct?

A. All the chromosomes of a species are the same in shape
B. The bear number present in a species is constant
C. They are neatly arranged in the eytoplasm
D. They bear ribosomes on their outer membranes

Question 1562:

• WAEC 2014

A small stem from a hibiscus plant was placed in a nutrieent medium, and it developed into a new plant. The new plant was reproduced

A. Asexually with different genotype from the parent plant
B. Sexually with a different genotype from the parent plant
C. Asexually with the same genotype as the parent plant
D. Sexually with the same genotype as the parent plant

Question 1563:

• WAEC 2014

The F1 generation of a cross between a red cock and white hen were all red because the gene for the

A. White colour did not segregate
B. Red colour was dominant
C. White colour was dominant
D. Red colour was recessive

Question 1564:

• WAEC 2014

Which of the following diseases can be inherited?

A. Pneumonia
B. AIDS
C. Sickle cell anaemia
D. Goitre

Question 1565:

• WAEC 2014

In dihybrid inheritance, Mendel considered

A. A pair of contrasting characters
B. Two pairs of contrasting characters
C. Three pairs of contrasting characters
D. Four pairs of contrasting characters