Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Osmosis adalah difusi zat apa melalui membran semipermeabel?

1. AIon natrium
2. BAir
3. CProtein
4. DGlukosa

How does a vaccine protect a person?

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

How many strands does an RNA molecule usually have?

1. AThree
2. BFour
3. CTwo
4. DOne

What is the main role of inflammation after an injury?

1. ATo make antibodies inside the damaged cells
2. BTo destroy the healthy cells around the wound
3. CTo bring more blood and white blood cells to the area
4. DTo stop all blood flow to the area so that bleeding ends

Why does each type of virus infect only certain kinds of cells?

1. AIt can only enter cells that are dividing by meiosis at that time
2. BIt must attach to specific receptor proteins on the cell surface
3. CIt can only enter cells that have no nucleus
4. DIt must find cells with the same DNA as its own

In a food chain, producers hold 10 000 units of energy. Roughly how much is passed on to the primary consumers?

1. AAbout 10 000 units
2. BAbout 1000 units
3. CAbout 5000 units
4. DAbout 10 units

Kedua orang tua bergolongan darah O. Golongan darah apa yang dapat dimiliki anak-anak mereka?

1. ASalah satu dari keempat golongan
2. BGolongan A atau golongan O
3. CHanya golongan O
4. DHanya golongan AB

In snapdragons, flower colour shows incomplete dominance: RR is red, RW is pink and WW is white. Two pink plants are crossed. What phenotype ratio is expected?

1. A1 red : 1 white
2. B1 red : 2 pink : 1 white
3. CAll pink, like the parents
4. D3 red : 1 white