Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is activation energy?

1. AThe energy stored in a molecule of ATP
2. BThe heat released when a reaction finishes
3. CThe energy plants take in from sunlight
4. DThe energy needed to start a chemical reaction

What is a zygote?

1. AA haploid cell made by meiosis
2. BAn unfertilised egg cell
3. CA body cell that has just completed its first round of mitosis
4. DThe diploid cell formed when a sperm fertilises an egg

Apa yang tidak dimiliki sel prokariot, seperti bakteri?

1. AMembran sel
2. BRibosom
3. CNukleus yang dibungkus membran
4. DMateri genetik berupa DNA

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

1. AJumlah air yang diterima setiap tanaman
2. BKesimpulan percobaan
3. CJumlah cahaya yang diterima setiap tanaman
4. DTinggi tanaman pada akhir percobaan

HIV is a retrovirus. What does its enzyme reverse transcriptase do?

1. AIt breaks down the host's ribosomes
2. BIt makes DNA from the virus's RNA
3. CIt makes RNA from the host's DNA
4. DIt makes proteins from the virus's DNA

Which process removes carbon dioxide from the atmosphere?

1. ADecomposition
2. BBurning fossil fuels
3. CCellular respiration
4. DPhotosynthesis

Two populations of one species live on separate islands for many thousands of years. When brought together, they can no longer interbreed. What has happened?

1. AArtificial selection by humans
2. BHomeostasis in both populations
3. CSpeciation after geographic isolation
4. DHybrid vigour from crossbreeding

An Rh-negative mother gives birth to an Rh-positive baby. Why could a later Rh-positive pregnancy be at risk?

1. AHer red cells may become Rh positive after the birth
2. BShe may have made anti-D antibodies that cross the placenta
3. CThe second baby will be unable to make any red cells
4. DThe first baby's antibodies remain in her blood and attack her