Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

How does a vaccine protect a person?

1. AIt replaces the person's white blood cells with stronger ones
2. BIt trains the immune system with a harmless form of a pathogen
3. CIt kills all bacteria in the body straight away
4. DIt blocks the pathogen from entering the nose

What is an organism's genome?

1. AA single gene on one chromosome
2. BThe traits that can be seen
3. CThe proteins made by one cell
4. DAll of its genetic material

What is transpiration?

1. AThe growth of roots towards water
2. BThe loss of water vapour from the leaves of a plant
3. CThe taking in of CO₂ for photosynthesis
4. DThe movement of sugars through the phloem to the roots

Mengapa bakteri Gram-positif berwarna ungu pada pewarnaan Gram?

1. ABakteri itu mengandung klorofil
2. BBakteri itu tidak memiliki dinding sel sama sekali
3. CDinding peptidoglikannya yang tebal menahan zat warna ungu
4. DDindingnya yang tipis ditutupi membran luar yang kaya lipid

Apa arti "diploid"?

1. ASel hanya dapat membelah sekali
2. BSel tidak memiliki nukleus
3. CSel memiliki satu perangkat kromosom
4. DSel memiliki dua perangkat kromosom

Human adult height varies across a smooth, continuous range rather than falling into a few separate groups. What is the best explanation?

1. AIt is an X-linked recessive trait
2. BIt is controlled by many genes and also affected by environment
3. CIt is controlled only by the environment
4. DIt is controlled by one gene with two alleles and full dominance

Suatu mutasi titik mengubah kodon GAA menjadi GAG, dan keduanya mengkode asam glutamat. Mutasi jenis apa ini?

1. AMutasi pergeseran kerangka
2. BMutasi nonsens
3. CMutasi senyap
4. DDelesi kromosom

Cells lining the small intestine have tiny finger-like folds of membrane called microvilli. What does this tell you about their job?

1. AThey protect the gut from bacteria by producing mucus
2. BThey move food along by beating like cilia
3. CThey absorb substances, so they need a large surface area
4. DThey make digestive enzymes in large amounts