Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

What is the pH of pure water at 25 °C?

1. A1
2. B0
3. C7
4. D14

Bahan manakah dihasilkan oleh fotosintesis?

1. AAsid laktik dan ATP
2. BProtein dan nitrogen
3. CKarbon dioksida dan air
4. DGlukosa dan oksigen

What is the R group of an amino acid?

1. AThe carboxyl group at one end
2. BThe side chain that differs between amino acids
3. CThe amino group that is shared by all amino acids
4. DThe peptide bond between two amino acids

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

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

The sodium-potassium pump moves ions across the cell membrane. What does one cycle of the pump do?

1. AMoves 3 Na⁺ out and 2 K⁺ in, using ATP
2. BMoves 3 K⁺ out and 2 Na⁺ in, using ATP
3. CMoves 2 Na⁺ out and 3 K⁺ in, using ATP
4. DMoves Na⁺ in and K⁺ out, without using ATP

Why do chromosomes condense into short, thick shapes before mitosis?

1. ASo that they can leave through the nuclear pores
2. BSo that genes can be transcribed more easily
3. CSo that they can be copied more quickly
4. DSo they can be moved apart without tangling or breaking

Griffith injected mice with heat-killed harmful bacteria mixed with live harmless bacteria. The mice died, and live harmful bacteria were found in them. What did this show?

1. AHeat makes harmless bacteria become harmful when they are injected
2. BBacteria can be killed by the immune system of mice
3. CThe mice were killed by the dead bacteria alone
4. DA substance from the dead bacteria changed the harmless ones

A food sample turns purple with biuret reagent but stays yellow-brown with iodine solution. What does the sample contain?

1. AFat but no protein
2. BStarch but no protein
3. CProtein but no starch
4. DBoth protein and starch