Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Dalam suatu percobaan, apa itu variabel bebas?

1. AKelompok yang tidak menerima perlakuan
2. BFaktor yang diukur sebagai hasil
3. CFaktor yang sengaja diubah oleh peneliti
4. DFaktor yang dijaga sama pada setiap kelompok

Apa tujuan kelompok kontrol?

1. AMenggantikan kebutuhan akan hipotesis
2. BMembuat percobaan selesai lebih cepat
3. CMemberi acuan dasar untuk perbandingan dengan kelompok yang diberi perlakuan
4. DMenerima dosis terbesar dari perlakuan yang diuji

Which definition of a species is most often used for animals?

1. AAny organisms that look alike
2. BAll the animals that eat the same food
3. CAll of the different organisms that live together in one area
4. DA group that can interbreed and have fertile offspring

Why do root hair cells have long, thin extensions?

1. ATo increase the surface area for absorbing water
2. BTo carry out photosynthesis underground
3. CTo store starch for the winter
4. DTo anchor the plant firmly against strong winds and rain

Identical twins raised in different homes have different body weights. What does this show?

1. AThe phenotype depends on environment as well as genotype
2. BBody weight is controlled by a single gene
3. CMutations happened in every cell of one twin
4. DThe twins must have different genotypes for body weight genes

Sebuah sel darah merah ditempatkan dalam larutan yang sangat asin (hipertonik). Apa yang terjadi?

1. AGaram masuk ke sel dan sel membengkak
2. BTidak ada perubahan karena garam tidak dapat menembus
3. CAir keluar dari sel dan sel mengkerut
4. DAir masuk ke sel dan sel pecah

A plant is kept in the dark to use up its starch. One leaf is then sealed in a bag with a chemical that absorbs CO₂, and the plant is placed in light. Later, that leaf has no starch, but the other leaves do. What does this show?

1. AOxygen is needed for photosynthesis
2. BLight is needed for photosynthesis
3. CChlorophyll is needed for photosynthesis
4. DCarbon dioxide is needed for photosynthesis

After a long course of broad-spectrum antibiotics, a patient develops severe diarrhoea caused by Clostridioides difficile. What is the most likely reason?

1. AC. difficile was made by the patient's own immune system
2. BThe antibiotics changed some of the harmless gut bacteria into C. difficile
3. CThe antibiotics made the gut lining produce spores
4. DThe antibiotics killed normal gut bacteria that kept C. difficile in check