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

Which sugar is found in DNA?

1. AFructose
2. BDeoxyribose
3. CRibose
4. DGlucose

What is a Punnett square used for?

1. AMeasuring the size of a cell
2. BShowing the order of genes on a chromosome
3. CCounting the chromosomes in a cell
4. DPredicting the possible genotypes of offspring

Pada fase mitosis mana kromatid saudara ditarik ke kutub yang berlawanan?

1. AProfase
2. BMetafase
3. CInterfase
4. DAnafase

Bagaimana enzim mempercepat reaksi kimia?

1. AHabis terpakai sebagai pereaksi
2. BMenurunkan energi aktivasi
3. CMenaikkan suhu sel
4. DMenambahkan energi ke produk

Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?

1. AExocytosis
2. BEndocytosis
3. CPhagocytosis
4. DOsmosis

Paper discs with antibiotics X, Y and Z are placed on a plate covered with bacteria. The clear zones around them are 2 mm, 15 mm and 0 mm wide. What is the best conclusion?

1. AX is most effective, and the bacteria are resistant to Y
2. BY is most effective, and the bacteria are resistant to Z
3. CZ is most effective, because no bacteria grew under the disc
4. DAll three are equally effective against these bacteria

A cube-shaped cell has sides of 2 µm. What is its surface area-to-volume ratio?

1. A1 : 3
2. B6 : 1
3. C2 : 1
4. D3 : 1