Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Nemokamas spausdinamas užduočių lapas tema Biologija slaugos stojamiesiems egzaminams: 8 uždavinių nuo lengvų iki egzamino lygio, su atsakymais. Atsispausdinkite arba išsaugokite kaip PDF.

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Vardas: ____________________   Data: ____________

1.Lengvas

What is a stem cell?

  1. AA plant cell found only in the stem
  2. BA cell that carries oxygen in the blood
  3. CAn unspecialised cell that can divide and become other cell types
  4. DA fully specialised cell that can no longer divide or change its type
2.Lengvas

What is the active site of an enzyme?

  1. AThe gene that codes for the enzyme
  2. BThe region where the substrate binds
  3. CThe product formed by the reaction
  4. DThe part of the cell where the enzyme is made
3.Lengvas

What do receptor proteins in the cell membrane do?

  1. AThey make ATP for the cell
  2. BThey bind specific signal molecules, such as hormones
  3. CThey store the cell's genetic code for making proteins
  4. DThey digest bacteria that enter the cell
4.Vidutinis

What causes cohesion between water molecules?

  1. ACovalent bonds between neighbouring molecules
  2. BMagnetic forces between hydrogen atoms
  3. CHydrogen bonds between neighbouring molecules
  4. DIonic bonds between oxygen atoms
5.Vidutinis

A solution of pH 4 is compared with a solution of pH 6. How many times more hydrogen ions does the pH 4 solution have?

  1. A2 times
  2. B100 times
  3. C20 times
  4. D10 times
6.Vidutinis

Kodėl labai aukšta temperatūra sustabdo daugumos fermentų veikimą?

  1. AFermentas denatūruojasi: pasikeičia jo aktyviojo centro forma
  2. BSubstratas virsta kitu fermentu
  3. CFermentas juda per lėtai, kad sutiktų substratą
  4. DKarštis akimirksniu suskaido fermentą į aminorūgštis
7.Sunkus

After wolves are removed from a park, the deer population rises sharply and young trees are overgrazed. What does this show?

  1. ARemoving a predator has no effect on plants
  2. BWolves compete with trees for sunlight
  3. CDeer are producers in the food web
  4. DOrganisms in a food web depend on each other
8.Sunkus

Why are there usually far fewer top predators than herbivores in an ecosystem?

  1. AEnergy is lost at each step, leaving little for the top level
  2. BTop predators reproduce faster than herbivores, so they die sooner
  3. CHerbivores eat the young of top predators
  4. DTop predators need less energy than herbivores

Atsakymai

  1. 1. C · An unspecialised cell that can divide and become other cell types
  2. 2. B · The region where the substrate binds
  3. 3. B · They bind specific signal molecules, such as hormones
  4. 4. C · Hydrogen bonds between neighbouring molecules
  5. 5. B · 100 times
  6. 6. A · Fermentas denatūruojasi: pasikeičia jo aktyviojo centro forma
  7. 7. D · Organisms in a food web depend on each other
  8. 8. A · Energy is lost at each step, leaving little for the top level

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