Биология для вступительных экзаменов на сестринские программы: лист заданий с ответами

How many strands does an RNA molecule usually have?

1. AThree
2. BOne
3. CFour
4. DTwo

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

1. ALouis Pasteur
2. BGregor Mendel
3. CCharles Darwin
4. DRobert Hooke

Против какого вида организмов эффективны антибиотики?

1. AПротив вирусов
2. BПротив всех видов микроорганизмов одинаково
3. CПротив бактерий
4. DПротив аллергенов пыльцы

Which type of graph is best for comparing the number of patients with each ABO blood type?

1. AA line graph
2. BA scatter plot
3. CA histogram
4. DA bar graph

Researchers randomly assign patients to receive either a new wound dressing or the standard dressing and compare healing times. What type of study is this?

1. AA case report
2. BA survey
3. CA controlled experiment
4. DAn observational study

Which statement about identical and non-identical twins is correct?

1. ABoth kinds of twin always share all of their genes
2. BIdentical twins come from one zygote; non-identical twins come from two
3. CIdentical twins come from two eggs that are fertilised by a single sperm
4. DNon-identical twins come from one zygote that splits in two

At dawn, a plant shows no overall uptake or release of oxygen or carbon dioxide. What is the best explanation?

1. AIts stomata are permanently closed at dawn
2. BIt has stopped both photosynthesis and respiration until it is light
3. CIt only respires at dawn
4. DIts rate of photosynthesis equals its rate of respiration

The field of view of a microscope is 0,5 mm wide. About 10 cells fit across it in a line. What is the approximate width of one cell?

1. A500 µm
2. B5 µm
3. C0,5 µm
4. D50 µm