2. The theory which states that an infectious disease are due to causitive agents microorganisms is

A/germ theory B/antibiotics

C/pasteurization

D/antibodies

3. who discover the circulatory system in human?

A/ Edward Jenner Ffedrick Banting CAnton Leew wan hock

EIbnalnafis

D.Robert Gallo

4.The first model antibiotics extracted from fungal species called?

A pencillium notatum

B.E.coli Cmycobacterium.

D.Yeast

5. what type of chemical that are used to cure fungal diseases?

A/ peniciliin B/ Antifungus

C/Antibacterial D/A and B.

6. Ethiopian biologists who worked to increas thecrop productivity is?

A.prof Tilahun Yilma. B.prof.

Aklilu Lama

C/prof.Beyene Petros

D.prof. Gebbisa Ejeta

7.what is the role of soap berryol professor Aktilu Lamma in controlling Bilharzias?

A Killing Bilharzias worms in humans. B.Eradication of snail which is an intermediate host for bilharzia.

C/cleaning the clothes by the soap made from endode.

D.all.

8/The evolutionary history of an organisms is called?

A anatomy

B.Ancestry

C.phylogeny

9.The study of internal structure of an organism is called?

A Anatomy B.morphology.

10.Who is regarded as the father of genetics?

D.all.

C.Histology.

D.systematic.

A Prof Gebbisa Ejeta.

B/ Scottish naval.

C.Gregor Mendel

D.none.

11.Bilharzia is caused by ?

Asnail

B.virus.

C.parasitic flatworm

D.Bacteria.

12. The use of indigenous plants Tobe used as source of medicine is studied by ?

A.Dr.tsehaynesh mesele

. B.prof.Yealemtsehay mekonnen

. C.prof.Gebbisa Ejeta.

D.prof.Tilahu