Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is transpiration?

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

What does gel electrophoresis separate?

1. ACells by their shape
2. BChromosomes by their colour
3. CDNA fragments by size
4. DBlood into plasma and cells

What is a chromosomal deletion?

1. AThe loss of a piece of a chromosome
2. BA piece of chromosome that is turned around
3. CThe swap of a single DNA base
4. DAn extra copy of a whole chromosome

Why do the palisade cells near the top surface of a leaf contain many chloroplasts?

1. AThey protect the leaf from insects and strong winds
2. BThey store most of the plant's water for dry periods
3. CThey carry sugars from the leaves down to the roots
4. DThey get the most light and do most of the photosynthesis

Bagaimana bakteri biasanya bereproduksi?

1. ADengan meiosis
2. BDengan bertunas menghasilkan virus
3. CDengan membentuk biji
4. DDengan pembelahan biner

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

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

A solution contains 5 mg of a substance in every millilitre. How many milligrams are in 0,02 L of the solution?

1. A1000 mg
2. B0,1 mg
3. C10 mg
4. D100 mg

Mengapa antibiotik tidak menyembuhkan infeksi virus seperti pilek biasa?

1. AVirus terlalu besar untuk dijangkau antibiotik
2. BVirus dibunuh tubuh sebelum antibiotik sempat bekerja
3. CVirus tidak memiliki dinding sel, ribosom, dan metabolisme yang menjadi sasaran antibiotik
4. DAntibiotik hanya bekerja pada infeksi kulit