Биология для вступительных экзаменов на сестринские программы: лист заданий с ответами
Бесплатный лист заданий для печати по теме «Биология для вступительных экзаменов на сестринские программы»: 8 задач от простых до экзаменационного уровня, с ответами. Распечатайте его или сохраните как PDF.
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1.Лёгкая
What is the correct order of the phases of mitosis?
AProphase, metaphase, anaphase, telophase
BTelophase, anaphase, metaphase, prophase
CMetaphase, prophase, anaphase, telophase
DProphase, anaphase, metaphase, telophase
2.Лёгкая
What is a stem cell?
AA cell that carries oxygen in the blood
BA plant cell found only in the stem
CA fully specialised cell that can no longer divide or change its type
DAn unspecialised cell that can divide and become other cell types
3.Лёгкая
How many strands does an RNA molecule usually have?
AFour
BTwo
COne
DThree
4.Средняя
What is a chromosomal translocation?
AOne DNA base is replaced by another base
BA piece of a chromosome is flipped around in place
CA piece of a chromosome is copied twice and stays in the same place
DA piece of one chromosome attaches to a non-matching chromosome
5.Средняя
What is an inversion mutation?
AA segment of a chromosome moves to a different, non-matching chromosome
BA segment of a chromosome is lost completely
CA whole extra chromosome is added to the cell
DA chromosome segment breaks off and is reattached the wrong way round
6.Средняя
In disease spread, what is a vector?
AA blood test used to detect antibodies
BAn organism that carries a pathogen between hosts
CThe first person to catch a disease
DA medicine that destroys a pathogen in the body
7.Сложная
Bacteria in a closed flask grow quickly at first, but the population then stops increasing. What is the main reason?
AThe flask becomes too cold for growth
BThe bacteria change into viruses after many divisions
CThe bacteria stop dividing once they reach adult size
DNutrients run out and waste products build up
8.Сложная
Во время мейоза пара хромосом не расходится. К чему это может привести?