Scheda di esercizi di Biologia per i test di ammissione a infermieristica con soluzioni
Scheda di esercizi di Biologia per i test di ammissione a infermieristica gratuita e stampabile: 8 esercizi dal livello facile a quello d’esame, con le soluzioni. Stampala o salvala come PDF.
Per i docenti: gratuita da stampare, copiare e usare in classe. Ogni nuova scheda ha nuovi valori e le sue soluzioni. Un link a ExamProblems nella pagina del corso è molto apprezzato.
Nome: ____________________ Data: ____________
1.Facile
Nel metodo scientifico, che cos'è un'ipotesi?
AUna conclusione che è stata dimostrata vera
BUn elenco delle misure effettuate
CUna spiegazione o previsione verificabile
DUna spiegazione ampia sostenuta da molti esperimenti
2.Facile
What is the main role of carbohydrates in the human diet?
ATo carry the body's genetic information
BTo form antibodies
CTo provide a quick source of energy
DTo build muscle tissue
3.Facile
What is the resolution of a microscope?
AHow large the field of view is
BIts ability to show two close points as separate
CHow bright the image appears
DHow many times larger it makes the image of the specimen
4.Media
Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?
APhagocytosis
BEndocytosis
COsmosis
DExocytosis
5.Media
Why are G–C base pairs held together more strongly than A–T pairs?
AG–C pairs are joined by strong covalent bonds instead of hydrogen bonds
BA–T pairs are found only in RNA
CG–C pairs form three hydrogen bonds, and A–T pairs form two
DG and C are both purines, so they fit more tightly
6.Media
Which statement about identical and non-identical twins is correct?
ABoth kinds of twin always share all of their genes
BIdentical twins come from one zygote; non-identical twins come from two
CNon-identical twins come from one zygote that splits in two
DIdentical twins come from two eggs that are fertilised by a single sperm
7.Difficile
A study finds that coffee drinkers have more lung cancer. Later it is found that coffee drinkers in the study also smoked more. What is smoking in this study?
AA confounding variable
BThe dependent variable
CThe control group
DA placebo
8.Difficile
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?
AY is most effective, and the bacteria are resistant to Z
BX is most effective, and the bacteria are resistant to Y
CAll three are equally effective against these bacteria
DZ is most effective, because no bacteria grew under the disc
Soluzioni
1. C · Una spiegazione o previsione verificabile
2. C · To provide a quick source of energy
3. B · Its ability to show two close points as separate
4. D · Exocytosis
5. C · G–C pairs form three hydrogen bonds, and A–T pairs form two
6. B · Identical twins come from one zygote; non-identical twins come from two
7. A · A confounding variable
8. A · Y is most effective, and the bacteria are resistant to Z
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