Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

What is an organism's genome?

1. AAll of its genetic material
2. BThe traits that can be seen
3. CThe proteins made by one cell
4. DA single gene on one chromosome

What is a pathogen?

1. AA cell of the immune system that fights infection
2. BA microorganism or agent that causes disease
3. CA medicine that kills bacteria
4. DA harmless microbe living on the skin

Where in the cell does glycolysis take place?

1. AIn the mitochondrial matrix
2. BIn the nucleus
3. CIn the cytoplasm
4. DIn the chloroplast

What happens in the Calvin cycle of photosynthesis?

1. ALight is absorbed by chlorophyll
2. BCO₂ is built into sugar using ATP and NADPH
3. CGlucose is broken down to release energy
4. DWater is split to release oxygen

How can bacteria pass antibiotic-resistance genes directly to other bacteria?

1. ABy meiosis, forming gametes with new alleles
2. BBy conjugation, transferring plasmids through a pilus
3. CBy mitosis, sharing copies of their chromosomes with neighbours
4. DBy osmosis, moving genes in water

Why do many plants close their stomata on hot, dry days?

1. ATo take in more carbon dioxide
2. BTo reduce water loss
3. CTo release more oxygen
4. DTo speed up photosynthesis

Which parent's gamete decides the biological sex of a human baby, and why?

1. AThe mother's, because she gives two X chromosomes
2. BThe mother's, because an egg carries either an X or a Y
3. CThe father's, because a sperm carries either an X or a Y
4. DBoth equally, because each gives one Y chromosome

A patient breathes very slowly, so carbon dioxide builds up in the blood. What happens to the blood pH, and why?

1. AIt falls, because CO₂ forms carbonic acid in the blood
2. BIt rises, because CO₂ removes hydrogen ions
3. CIt stays the same, because CO₂ does not dissolve in blood
4. DIt rises, because CO₂ is a base