Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

What is the resolution of a microscope?

1. AHow many times larger it makes the image of the specimen
2. BIts ability to show two close points as separate
3. CHow large the field of view is
4. DHow bright the image appears

What is a monomer?

1. AA small unit that joins with others to form a polymer
2. BA molecule that contains no carbon
3. CAn enzyme that breaks down polymers
4. DA very large molecule that is made of many smaller units

What is true of a recessive allele?

1. AIts trait shows whenever one copy is present
2. BIt is found only on the X chromosome
3. CIts trait shows only when two copies are present
4. DIt is always harmful to the organism

Which is an example of negative feedback?

1. AContractions growing stronger during labour
2. BBlood clotting speeding up once it starts
3. CSweating when body temperature rises
4. DA wound becoming more inflamed over time

A woman with blood type O has a child with a man of type AB. Which blood types can their children have?

1. AA, B, AB or O
2. BO only
3. CO or AB
4. DA or B

Kuo sotieji riebalai skiriasi nuo nesotųjų riebalų?

1. AJie lengvai tirpsta vandenyje
2. BJie neturi C=C dvigubų ryšių ir paprastai yra kieti
3. CJie turi azoto ir sudaro baltymus
4. DJie turi daug dvigubų ryšių ir kambario temperatūroje yra skysti

Paper discs with antibiotics X, Y and Z are placed on a plate covered with bacteria. The clear zones around them are 2 mm, 15 mm and 0 mm wide. What is the best conclusion?

1. AZ is most effective, because no bacteria grew under the disc
2. BX is most effective, and the bacteria are resistant to Y
3. CAll three are equally effective against these bacteria
4. DY is most effective, and the bacteria are resistant to Z

A cell is 0,00002 m wide. Which value is equal to this width?

1. A2 µm
2. B200 µm
3. C20 µm
4. D0,2 mm