Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

In an enzyme reaction, what is the substrate?

1. AThe gene that codes for the enzyme
2. BThe substance that the enzyme acts on
3. CThe product released at the end
4. DThe part of the enzyme that changes shape

Which of these is qualitative data?

1. AThe patient weighs 68 kg
2. BThe urine sample is dark yellow
3. CThe wound is 3 cm long
4. DThe pulse rate is 72 beats per minute

What is the main job of the nucleolus?

1. AIt digests worn-out parts of the cell
2. BIt stores water and salts for the nucleus
3. CIt makes ribosomal RNA and builds ribosome parts
4. DIt releases energy from glucose for the nucleus

In evolution, what does an organism's fitness mean?

1. AHow strong and fast the organism is compared with others
2. BHow long the organism lives
3. CHow many offspring it leaves that survive and reproduce
4. DHow large the organism grows

Which is an example of negative feedback?

1. ASweating when body temperature rises
2. BContractions growing stronger during labour
3. CBlood clotting speeding up once it starts
4. DA wound becoming more inflamed over time

Yeast in bread dough breaks down sugar without oxygen. What does it produce?

1. ALactic acid and carbon dioxide
2. BOxygen and water
3. CEthanol and carbon dioxide
4. DGlucose and oxygen

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

A child's DNA profile has bands A, B, C and D. The mother has bands A and C. Man 1 has bands B and D, man 2 has A and E, and man 3 has C and F. Which man could be the biological father?

1. AMan 3
2. BNone of them
3. CMan 1
4. DMan 2