Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

Which pigment absorbs light energy for photosynthesis?

1. AMelanin
2. BHaemoglobin
3. CChlorophyll
4. DKeratin

Dalam sesuatu eksperimen, apakah pemboleh ubah bergerak balas?

1. AMana-mana faktor yang dikekalkan malar
2. BFaktor yang sengaja diubah oleh penyelidik
3. CFaktor yang diukur untuk melihat kesannya
4. DHipotesis yang sedang diuji

What is a Punnett square used for?

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

Why is a buffer system important in blood?

1. AIt makes the blood clot faster
2. BIt carries oxygen to the tissues
3. CIt resists changes in pH
4. DIt raises the blood glucose level

A patient's blood type is B positive. What does this mean?

1. ATheir plasma contains anti-B antibodies
2. BTheir red cells carry the A antigen and no RhD antigen
3. CTheir red cells carry the B antigen and the RhD antigen
4. DTheir red cells carry no antigens at all

Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?

1. AFungi are much smaller than bacteria
2. BFungi reproduce only by binary fission
3. CFungi have no cell membrane for drugs to act on
4. DFungal cells are eukaryotic, like human cells

Mutasi titik mengubah kodon GAA kepada GAG, dan kedua-duanya mengekod asid glutamik. Apakah jenis mutasi ini?

1. AMutasi karut (nonsense)
2. BMutasi anjakan rangka
3. CPenghapusan kromosom
4. DMutasi senyap

Why can O-negative red blood cells be given to patients of almost any blood type in an emergency?

1. AThey carry no A, B or RhD antigens
2. BThey have no haemoglobin to react with
3. CThey carry all of the A, B and RhD antigens
4. DTheir plasma contains anti-A and anti-B antibodies