Робочий аркуш «Біологія для вступних іспитів на медсестринство» з відповідями

Which pigment absorbs light energy for photosynthesis?

1. AHaemoglobin
2. BChlorophyll
3. CKeratin
4. DMelanin

What is a zygote?

1. AAn unfertilised egg cell
2. BA body cell that has just completed its first round of mitosis
3. CThe diploid cell formed when a sperm fertilises an egg
4. DA haploid cell made by meiosis

Which definition of a species is most often used for animals?

1. AAll the animals that eat the same food
2. BAll of the different organisms that live together in one area
3. CA group that can interbreed and have fertile offspring
4. DAny organisms that look alike

Під час якої фази мітозу сестринські хроматиди розходяться до протилежних полюсів?

1. AІнтерфази
2. BАнафази
3. CПрофази
4. DМетафази

In disease spread, what is a vector?

1. AAn organism that carries a pathogen between hosts
2. BThe first person to catch a disease
3. CA blood test used to detect antibodies
4. DA medicine that destroys a pathogen in the body

Red-green colour blindness is X-linked recessive. A colour-blind woman (XᵇXᵇ) has children with a man with normal colour vision (XᴮY). What fraction of their sons is expected to be colour-blind?

1. AAll
2. BNone
3. COne half
4. DOne quarter

A drug lowered blood pressure in a study of 20 men aged 40 to 50. Why might the result not apply to women over 70?

1. AThe results were too precise to be trusted
2. BBlood pressure cannot be measured in older women
3. CThe sample did not represent that group
4. DThe study had a dependent variable

In a family, a trait appears mostly in males. Affected men have daughters who are unaffected, but some of these daughters have affected sons. Which pattern fits best?

1. AAutosomal recessive with equal sexes
2. BAutosomal dominant
3. CY-linked
4. DX-linked recessive