Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is a stem cell?

1. AA plant cell found only in the stem
2. BA cell that carries oxygen in the blood
3. CA fully specialised cell that can no longer divide or change its type
4. DAn unspecialised cell that can divide and become other cell types

Empat basa apa yang terdapat pada DNA?

1. AAdenin, urasil, guanin, dan sitosin
2. BAlanin, timin, glisin, dan sistein
3. CAdenin, timin, guanin, dan sitosin
4. DAdenin, timin, glukosa, dan sitosin

What is transpiration?

1. AThe loss of water vapour from the leaves of a plant
2. BThe taking in of CO₂ for photosynthesis
3. CThe growth of roots towards water
4. DThe movement of sugars through the phloem to the roots

What does Mendel's law of segregation state?

1. AGenes on different chromosomes are always inherited together
2. BThe two alleles of a gene separate so each gamete gets only one
3. CDominant alleles are more common in a population than recessive ones
4. DEach gamete receives both alleles of every gene

Seorang siswa menguji bagaimana jumlah cahaya memengaruhi pertumbuhan tanaman kacang. Manakah yang harus menjadi variabel kontrol?

1. ATinggi tanaman pada akhir percobaan
2. BJumlah cahaya yang diterima setiap tanaman
3. CKesimpulan percobaan
4. DJumlah air yang diterima setiap tanaman

In a food chain, which organisms are the producers?

1. AAnimals that eat only plants, such as rabbits and deer
2. BPredators at the top of the chain
3. CPlants and algae that make food by photosynthesis
4. DFungi that break down dead material

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 baby's stomach makes the antibodies more active
3. CThe antibodies from breast milk attack the baby's own red blood cells
4. DThe antibodies turn into memory cells after a few weeks

Liver cells take in cholesterol-carrying LDL particles only after the particles bind to specific proteins on the cell surface. Which process is this?

1. ASimple diffusion
2. BReceptor-mediated endocytosis
3. CExocytosis
4. DPinocytosis of extracellular fluid