DNA in eukaryotic cells is contained in the

A. central vacuole

B. nucleus

C. lysosome

D. golgi body

A woman who is heterozygous for the disease haemophilia marries a man who is haemophilic. What percentage of their offspring would have the disease?

A. 0%

B. 25%

C. 50%

D. 75%

Cytokinesis of mitosis is a process that ensures that

A. each daughter cell gets the necessary organelles

B. there is distribution of a complete set of genes into each daughter cell

C. daughter cell inherit new genetic combinations

D. worn out organelles are excluded from daughter cells

An animal which is active during the day is known as a

A. nocturnal animal

B. diurnal animal

C. terrestrial animal

D. homortacmic animal

Evidence of evolution include the following except?

A. fossil records

B. comparative anatomy

C. molecular records

D. geographical distribution of organisms

Use the diagram to answer the question. The diagram shows that the organisms are

A. hermaphrodite

B. viviparous

C. oviparous

D. ovoviparous

Use the diagram to answer the question. The breeding posture illustrated in the diagram is knows as

A. mating

B. amplexus

C. courtship display

D. reproductive swimming

An accurate identification of a rapist can be carried out by conducting

A. RNA analysis

B. DNA analysis

C. blood group test

D. behavioural tests

A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is like to have contracted?

A. schistosomiasis

B. onchocerciasis

C. poliomyelitis

D. salmonellosis

The flippers of a whale and the fins of a fish are examples of

A. divergent evolution

B. co-evolution

C. continuous variation

D. convergent evolution