Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

How many millilitres are in one litre?

1. A100
2. B10 000
3. C10
4. D1000

Struktur mana yang ada di sel tumbuhan tetapi tidak di sel hewan?

1. AMitokondria
2. BRibosom
3. CMembran sel
4. DDinding sel

In genetics, what is a carrier?

1. AA person who has lost both alleles for the gene, so shows no trait
2. BA person with two recessive alleles who has the disorder
3. CA person who has a dominant disorder
4. DA person with one recessive allele for a disorder but no symptoms

Why must human gametes be haploid?

1. ASo that the gametes can make more proteins
2. BSo that the zygote has the normal number of 46 chromosomes
3. CSo that the gametes can divide quickly by mitosis
4. DSo that the zygote has twice the normal number of chromosomes

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

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

In disease spread, what is a vector?

1. AThe first person to catch a disease
2. BAn organism that carries a pathogen between hosts
3. CA blood test used to detect antibodies
4. DA medicine that destroys a pathogen in the body

A karyotype shows 45 chromosomes, with a single X chromosome and no Y. Which condition is this?

1. ADown syndrome
2. BA typical male karyotype
3. CTurner syndrome
4. DKlinefelter syndrome

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. AChlorophyll is needed for photosynthesis
2. BCarbon dioxide is needed for photosynthesis
3. CLight is needed for photosynthesis
4. DOxygen is needed for photosynthesis