Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Which piece of equipment gives the most precise measurement of a liquid volume?

1. AA graduated cylinder
2. BA beaker
3. CA test tube
4. DA Petri dish

What is an antigen?

1. AA white blood cell that engulfs and digests bacteria
2. BA drug that kills viruses
3. CA molecule that the immune system sees as foreign
4. DA protein that carries oxygen

What are stomata?

1. AGreen structures in the leaf that store starch
2. BHairs on roots that absorb minerals
3. CTubes that carry water up the stem
4. DSmall pores in leaves that allow gas exchange

What do the spindle fibres do during cell division?

1. AThey copy the DNA of each chromosome before the cell divides
2. BThey attach to chromosomes and move them to the poles
3. CThey make the new nuclear envelope
4. DThey digest the old cell membrane

What is a bacterial endospore?

1. AA reproductive cell that bacteria use to make new colonies quickly
2. BA hair-like structure used to swim towards food
3. CA small ring of DNA that carries antibiotic resistance genes
4. DA tough, dormant form that survives heat, drying and many disinfectants

Salivary amylase begins the digestion of which nutrient in the mouth?

1. ACellulose
2. BProtein
3. CStarch
4. DFat

Fertiliser washes from farmland into a lake. Algae grow rapidly, then die, and later many fish die. What is the main cause of the fish deaths?

1. AThe fertiliser is directly poisonous to fish
2. BThe algae release carbon dioxide that poisons fish
3. CBacteria decomposing the dead algae use up the oxygen
4. DThe fish eat too many algae and become ill

A person's body temperature starts to fall in a cold room. Which responses help bring it back up?

1. AShivering and narrowing of blood vessels in the skin
2. BFaster breathing and more urine production
3. CSlower heart rate and less muscle activity
4. DSweating and widening of blood vessels in the skin