Waec Biology 2006 Past Questions and Answers

Question 56:

• WAEC 2006

The haploid number of chromosomes in humans is

A. 48
B. 46
C. 24
D. 23

Question 57:

• WAEC 2006

a pure breeding white cat (homozygous dominant) mates with a pure breeding black cat (recessive), what would be the fur colour of F₁ generation

A. Homozygous white
B. Homozygous black
C. Heterozygous white
D. Heterozygous black

Question 58:

• WAEC 2006

Courtship behaviour in animals may include all of the following except

A. Howling of a dog
B. Dancing of the worker bee
C. Croaking of a toad
D. Basking in the sun by a lizard

Question 59:

• WAEC 2006

Honey-Bee workers carry out the following functions except

A. Laying eggs
B. Building nests
C. Cleaning the nest
D. Gathering food

Question 60:

• WAEC 2006

The long necks and legs of the present day giraffes were some of the basis of

A. Darwins’ theory of evolution
B. Mendel’s theory of inheritance
C. Lamarck’s theory of evolution
D. DeVries theory of evolution