Biology - 2013 E.C (2020/2021) Ethiopian University Entrance Exam (EUEE)

A Big brains came before bipedalism.

B Lucy had a brain size of 1.8% of her body mass.

C Bipedalism came before big brains.

D Lucy was partially an arboreal primate

A the co-ordinated response of an organism to an internal or external stimuli.

B the tendency for parts of plants to grow towards light.

C the actions or reactions of a person or animal in response to external or internal stimuli.

D a cell or group of cells that receives and processes stimuli.

A fixed action pattern

B innate behavior

C biological clock

D key stimulus

A Removal of one's thumb from hot objects quickly

B The growing of plants towards light

C Circannual migration of birds from temperate to tropical areas

D Kinesis and taxes of woodlice and other simple animals

A Dog trained to hunt

B Honey bee making honey

C Child withdraws hand from hot things

D Ants making nest

A Presence of permeable membrane

B Being unicellular

C Absence of nuclear membrane

D Having flagella for locomotion

A Rod, spirochaete, sphere

B Sphere, rod, spirochaete

C Flagellated bacilli, clusters, spirilla

D Spirochaete, sphere, rod

A The source of insulin and modification

B The source of plasmid and insulin production

C Multiplying the recombinant DNA molecule

D Joining the gene of insulin with the gene of plasmid

A Changing the genetic structure of host cells

B Entering living cells and disrupting metabolic systems

C Releasing toxins as they multiply

D Invading and growing on the tissues of organs