Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Which type of microscope is needed to see a virus?

1. AAn electron microscope
2. BA magnifying glass
3. CA light microscope
4. DA dissecting microscope

What is apoptosis?

1. AUncontrolled cell division
2. BFusion of two gametes
3. CProgrammed cell death
4. DDivision of the cytoplasm

Kas eksperimente yra priklausomasis kintamasis?

1. AVeiksnys, kurį tyrėjas sąmoningai keičia
2. BVeiksnys, matuojamas poveikiui nustatyti
3. CTikrinama hipotezė
4. DBet kuris veiksnys, išlaikomas pastovus

Why does ice float on liquid water?

1. AIce is denser than liquid water
2. BIce contains more air than liquid water
3. CIce molecules are lighter than liquid water molecules
4. DHydrogen bonds hold ice in an open, less dense structure

A patient's blood type is B positive. What does this mean?

1. ATheir plasma contains anti-B antibodies
2. BTheir red cells carry the A antigen and no RhD antigen
3. CTheir red cells carry the B antigen and the RhD antigen
4. DTheir red cells carry no antigens at all

What is meant by independent assortment in meiosis?

1. AHomologous pairs line up randomly, so gametes get different mixes of chromosomes
2. BSister chromatids stay joined until the end of meiosis, so all gametes are identical
3. CDNA is copied separately in each chromosome
4. DAll chromosomes from the mother go into the same gamete

A restriction enzyme cuts at three sites in a linear piece of DNA. How many fragments are produced?

1. A4
2. B6
3. C2
4. D3

Which evidence supports the theory that mitochondria came from bacteria that lived inside an ancient cell?

1. AThey have their own circular DNA, ribosomes and a double membrane
2. BThey have a cell wall made of peptidoglycan
3. CThey are found in all prokaryotic cells
4. DThey make the proteins used by the whole cell, including the nucleus