Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan
Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan percuma untuk dicetak: 8 soalan dari mudah hingga tahap peperiksaan, dengan skema jawapan. Cetak atau simpan sebagai PDF.
Untuk pensyarah dan guru: percuma untuk dicetak, disalin dan digunakan di dalam kelas. Setiap lembaran kerja baharu mempunyai nilai baharu dan skema jawapannya sendiri. Pautan ke ExamProblems di halaman kursus anda amat dihargai.
Nama: ____________________ Tarikh: ____________
1.Mudah
What is a mutagen?
AA protein that repairs damaged DNA
BA cell that divides without control
CAn enzyme that copies DNA
DSomething that can cause changes in DNA
2.Mudah
In genetics, what is a carrier?
AA person who has lost both alleles for the gene, so shows no trait
BA person with one recessive allele for a disorder but no symptoms
CA person with two recessive alleles who has the disorder
DA person who has a dominant disorder
3.Mudah
What is an inference?
AA variable that the scientist changes on purpose
BA list of the materials used in an experiment
CA measurement taken with a calibrated instrument in a laboratory
DA conclusion reached from observations and prior knowledge
4.Sederhana
Which of these is part of the body's innate (non-specific) defence?
AThe skin and stomach acid
BMemory B cells from an earlier infection
CAntibodies made after vaccination
DT cells that recognise one virus
5.Sederhana
Why do plants wilt when the soil around their roots becomes very salty?
ASalt blocks sunlight from reaching the leaves
BThe roots take in too much water
CWater leaves the root cells by osmosis
DSalt makes the root cells swell and burst
6.Sederhana
A cut in the skin heals as new skin cells fill the wound. Which process produces these cells?
AMitosis
BBinary fission
CFertilisation
DMeiosis
7.Sukar
Potato cylinders are placed in sugar solutions of different strengths. They gain mass in weak solutions, lose mass in strong ones and show no change at 0.3 mol/L. What can be concluded?
AThe potato cells contain no water at all
BPotato cells are always hypertonic to sugar solutions
CSugar enters the cells only by active transport, not by diffusion
DThe potato cells have a solute concentration of about 0.3 mol/L
8.Sukar
Sucrose is broken down into glucose and fructose during digestion. What type of reaction is this?
ADehydration synthesis, which releases a water molecule
BHydrolysis, which releases a water molecule
CDehydration synthesis, which uses a water molecule
DHydrolysis, which uses a water molecule
Kunci jawapan
1. D · Something that can cause changes in DNA
2. B · A person with one recessive allele for a disorder but no symptoms
3. D · A conclusion reached from observations and prior knowledge
4. A · The skin and stomach acid
5. C · Water leaves the root cells by osmosis
6. A · Mitosis
7. D · The potato cells have a solute concentration of about 0.3 mol/L
8. D · Hydrolysis, which uses a water molecule
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