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?
AOxygen
BNitrogen
CCarbon dioxide
DHydrogen
2.Lengvas
Kuri iš šių medžiagų yra lipidas?
AHemoglobinas
BDNR
CGlikogenas, gliukozės atsargų forma
DTriacilglicerolis (riebalai)
3.Lengvas
Who first used the word "cells" after looking at thin slices of cork under a microscope?
ALouis Pasteur
BRobert Hooke
CGregor Mendel
DCharles Darwin
4.Vidutinis
Which element is found in all amino acids but not in carbohydrates?
AOxygen
BHydrogen
CNitrogen
DCarbon
5.Vidutinis
Why are G–C base pairs held together more strongly than A–T pairs?
AG and C are both purines, so they fit more tightly
BA–T pairs are found only in RNA
CG–C pairs form three hydrogen bonds, and A–T pairs form two
DG–C pairs are joined by strong covalent bonds instead of hydrogen bonds
6.Vidutinis
Why is DNA replication called semiconservative?
AEach new strand is a random mix of old and new pieces
BOnly half of the DNA is copied each time
CEach new DNA molecule has one old strand and one new strand
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?
AGauze produces chemicals that stop meat from rotting
BFlies form from rotting meat, and then they lay eggs on fresh meat
CMeat turns into maggots when exposed to air
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?
A30%
B40%
C20%
D70%
Atsakymai
1. C · Carbon dioxide
2. D · Triacilglicerolis (riebalai)
3. B · Robert Hooke
4. C · Nitrogen
5. C · G–C pairs form three hydrogen bonds, and A–T pairs form two
6. C · Each new DNA molecule has one old strand and one new strand
7. D · Maggots come from eggs laid by flies, not from the meat itself
8. C · 20%
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