Робочий аркуш «Біологія для вступних іспитів на медсестринство» з відповідями
Безкоштовний робочий аркуш для друку «Біологія для вступних іспитів на медсестринство»: 8 задач від легких до рівня іспиту, з ключем відповідей. Роздрукуйте його або збережіть як PDF.
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1.Легка
What are the bacteria called that normally live on the skin and in the gut without causing disease?
ANormal flora
BPathogens
CVectors
DPrions
2.Легка
What do centrioles do in an animal cell?
AThey help organise the spindle during cell division
BThey make lipids for the cell membrane
CThey capture light for photosynthesis
DThey store the cell's digestive enzymes until they are needed
3.Легка
What is a zygote?
AA body cell that has just completed its first round of mitosis
BA haploid cell made by meiosis
CAn unfertilised egg cell
DThe diploid cell formed when a sperm fertilises an egg
4.Середня
Human adult height varies across a smooth, continuous range rather than falling into a few separate groups. What is the best explanation?
AIt is an X-linked recessive trait
BIt is controlled by many genes and also affected by environment
CIt is controlled only by the environment
DIt is controlled by one gene with two alleles and full dominance
5.Середня
A cell has a nucleus and mitochondria but no cell wall and no chloroplasts. What kind of cell is it most likely to be?
AAn animal cell
BA plant cell
CA fungal cell
DA bacterial cell
6.Середня
What happens when a ribosome reaches a stop codon on the mRNA?
AA special amino acid is added to end the chain
BThe mRNA is copied back into DNA
CTranslation ends and the protein is released
DThe ribosome goes back to the start codon
7.Складна
Some chemotherapy drugs stop spindle fibres from forming. Why do they often cause hair loss and damage to the gut lining?
AThese tissues also contain rapidly dividing cells
BThese tissues are made only of haploid cells
CThese cells divide by meiosis instead of mitosis
DThese cells have no mitochondria
8.Складна
Under the microscope, homologous chromosomes are moving to opposite poles, and each is still made of two chromatids. Which stage is this?
AProphase of mitosis
BAnaphase II of meiosis
CAnaphase of mitosis
DAnaphase I of meiosis
Ключ відповідей
1. A · Normal flora
2. A · They help organise the spindle during cell division
3. D · The diploid cell formed when a sperm fertilises an egg
4. B · It is controlled by many genes and also affected by environment
5. A · An animal cell
6. C · Translation ends and the protein is released
7. A · These tissues also contain rapidly dividing cells
8. D · Anaphase I of meiosis
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