Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

What is a decomposer?

1. AAn organism that breaks down dead material
2. BAn organism that makes food from sunlight
3. CAn animal that hunts other animals
4. DAn animal that eats only plants

What does gel electrophoresis separate?

1. ADNA fragments by size
2. BChromosomes by their colour
3. CBlood into plasma and cells
4. DCells by their shape

Which gas do plants take in from the air for photosynthesis?

1. AOxygen
2. BCarbon dioxide
3. CHydrogen
4. DNitrogen

Which DNA bases are purines?

1. ACytosine and thymine
2. BCytosine and guanine
3. CAdenine and thymine
4. DAdenine and guanine

Bilakah pindah silang antara kromosom homolog berlaku?

1. ADalam fasa S interfasa
2. BDalam anafasa mitosis
3. CDalam telofasa II meiosis
4. DDalam profasa I meiosis

To insert a human gene into a bacterial plasmid, scientists cut both the gene and the plasmid with the same restriction enzyme. Why?

1. ASo the plasmid loses all its genes
2. BSo the gene is turned into RNA
3. CSo both pieces become exactly the same length
4. DSo the cut ends match and can join together

Bagaimanakah populasi bakteria menjadi rintang terhadap antibiotik?

1. ASetiap bakteria belajar menentang ubat selepas terdedah
2. BAntibiotik dengan sengaja mencipta mutasi tepat yang diperlukan bakteria
3. CSistem imun pesakit menjadikan bakteria rintang
4. DBeberapa bakteria sudah membawa gen rintangan, bertahan daripada ubat dan membiak

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 stays the same, because CO₂ does not dissolve in blood
3. CIt rises, because CO₂ removes hydrogen ions
4. DIt rises, because CO₂ is a base