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

Which gas do plants take in from the air for photosynthesis?

  1. AOxygen
  2. BNitrogen
  3. CCarbon dioxide
  4. DHydrogen
2.Lengvas

Kuri iš šių medžiagų yra lipidas?

  1. AHemoglobinas
  2. BDNR
  3. CGlikogenas, gliukozės atsargų forma
  4. DTriacilglicerolis (riebalai)
3.Lengvas

Who first used the word "cells" after looking at thin slices of cork under a microscope?

  1. ALouis Pasteur
  2. BRobert Hooke
  3. CGregor Mendel
  4. DCharles Darwin
4.Vidutinis

Which element is found in all amino acids but not in carbohydrates?

  1. AOxygen
  2. BHydrogen
  3. CNitrogen
  4. DCarbon
5.Vidutinis

Why are G–C base pairs held together more strongly than A–T pairs?

  1. AG and C are both purines, so they fit more tightly
  2. BA–T pairs are found only in RNA
  3. CG–C pairs form three hydrogen bonds, and A–T pairs form two
  4. DG–C pairs are joined by strong covalent bonds instead of hydrogen bonds
6.Vidutinis

Why is DNA replication called semiconservative?

  1. AEach new strand is a random mix of old and new pieces
  2. BOnly half of the DNA is copied each time
  3. CEach new DNA molecule has one old strand and one new strand
  4. DThe old DNA molecule is kept whole, and a completely new one is made
7.Sunkus

Redi placed meat in open jars and in jars covered with gauze. Maggots appeared only on meat that flies could reach. What did this show?

  1. AGauze produces chemicals that stop meat from rotting
  2. BFlies form from rotting meat, and then they lay eggs on fresh meat
  3. CMeat turns into maggots when exposed to air
  4. DMaggots come from eggs laid by flies, not from the meat itself
8.Sunkus

DNR mėginyje yra 30% adenino. Kiek procentų jo bazių sudaro guaninas?

  1. A30%
  2. B40%
  3. C20%
  4. D70%

Atsakymai

  1. 1. C · Carbon dioxide
  2. 2. D · Triacilglicerolis (riebalai)
  3. 3. B · Robert Hooke
  4. 4. C · Nitrogen
  5. 5. C · G–C pairs form three hydrogen bonds, and A–T pairs form two
  6. 6. C · Each new DNA molecule has one old strand and one new strand
  7. 7. D · Maggots come from eggs laid by flies, not from the meat itself
  8. 8. C · 20%

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