Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is endocytosis?

1. ATaking material into the cell by folding the membrane around it
2. BSplitting the cytoplasm after the nucleus divides
3. CReleasing material from the cell by fusing vesicles with the membrane
4. DMoving water across the membrane by osmosis

What does xylem carry in a plant?

1. ASugars from the leaves to the roots
2. BWater and minerals from the roots upward
3. CSeeds from the flowers to the soil
4. DOxygen from the leaves to the roots

Which of these hormones is a steroid?

1. AInsulin
2. BGlucagon
3. CGrowth hormone
4. DTestosterone

What do the spindle fibres do during cell division?

1. AThey copy the DNA of each chromosome before the cell divides
2. BThey digest the old cell membrane
3. CThey attach to chromosomes and move them to the poles
4. DThey make the new nuclear envelope

What is a prion?

1. AA bacterium without a cell wall that lives inside nerve cells
2. BA misfolded protein that causes normal proteins to misfold
3. CA fungal spore that infects the brain
4. DA very small virus with a DNA genome

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A73 beats per minute
2. B74 beats per minute
3. C72 beats per minute
4. D80 beats per minute

Two plants are crossed, and about half of the offspring show the dominant trait and half show the recessive trait. What are the most likely genotypes of the parents?

1. AHeterozygous × heterozygous
2. BHomozygous dominant × heterozygous
3. CHomozygous dominant × homozygous recessive
4. DHeterozygous × homozygous recessive

Why can O-negative red blood cells be given to patients of almost any blood type in an emergency?

1. AThey carry all of the A, B and RhD antigens
2. BThey have no haemoglobin to react with
3. CThey carry no A, B or RhD antigens
4. DTheir plasma contains anti-A and anti-B antibodies