Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Which sex chromosomes does a typical human male have?

1. AYY
2. BXY
3. CX only
4. DXX

Dalam suatu percobaan, apa itu variabel bebas?

1. AFaktor yang diukur sebagai hasil
2. BKelompok yang tidak menerima perlakuan
3. CFaktor yang dijaga sama pada setiap kelompok
4. DFaktor yang sengaja diubah oleh peneliti

Which type of microscope is needed to see a virus?

1. AAn electron microscope
2. BA magnifying glass
3. CA dissecting microscope
4. DA light microscope

What causes cohesion between water molecules?

1. AMagnetic forces between hydrogen atoms
2. BCovalent bonds between neighbouring molecules
3. CHydrogen bonds between neighbouring molecules
4. DIonic bonds between oxygen atoms

Which statement best describes biological evolution?

1. AGrowth of an organism from a single zygote to a fully grown adult
2. BChange in the body of one organism during its lifetime
3. CMovement of animals to a new habitat each year
4. DChange in the inherited traits of a population over generations

What is an inversion mutation?

1. AA chromosome segment breaks off and is reattached the wrong way round
2. BA segment of a chromosome moves to a different, non-matching chromosome
3. CA whole extra chromosome is added to the cell
4. DA segment of a chromosome is lost completely

A breastfed baby receives antibodies from its mother's milk. Why does this protection last only a short time?

1. AThe baby did not make these antibodies and forms no memory cells
2. BThe antibodies from breast milk attack the baby's own red blood cells
3. CThe antibodies turn into memory cells after a few weeks
4. DThe baby's stomach makes the antibodies more active

A student puts a fertilised plant in a sunny window and an unfertilised plant in a dark cupboard. The fertilised plant grows more. What is the main flaw?

1. AThere was no hypothesis to test
2. BThe student used too much fertiliser on the plant in the window
3. CThe dependent variable was not measured
4. DTwo variables were changed, so the cause is unclear