Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What are stomata?

1. AGreen structures in the leaf that store starch
2. BSmall pores in leaves that allow gas exchange
3. CTubes that carry water up the stem
4. DHairs on roots that absorb minerals

Which sex chromosomes does a typical human male have?

1. AXY
2. BYY
3. CXX
4. DX only

Which list gives the main taxonomic ranks from broadest to most specific?

1. ADomain, kingdom, phylum, class, order, family, genus, species
2. BDomain, phylum, kingdom, order, class, genus, family, species
3. CSpecies, genus, family, order, class, phylum, kingdom, domain
4. DKingdom, domain, class, phylum, family, order, species, genus

Which statement about identical and non-identical twins is correct?

1. ABoth kinds of twin always share all of their genes
2. BIdentical twins come from one zygote; non-identical twins come from two
3. CNon-identical twins come from one zygote that splits in two
4. DIdentical twins come from two eggs that are fertilised by a single sperm

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

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

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

Home pregnancy tests use antibodies that bind the hormone hCG. Why do they react with hCG and not with other proteins in urine?

1. AThe hormone hCG is a type of antibody itself
2. BAntibodies bind every protein but change colour only with hCG
3. CUrine contains no other proteins at all
4. DEach antibody binds a specific antigen shape

A pondweed plant is placed in water, and a lamp is moved closer to it. The plant gives off more bubbles per minute. What is the best conclusion?

1. AThe bubbles are oxygen, and photosynthesis speeds up with more light
2. BThe bubbles are carbon dioxide, and respiration speeds up with more light
3. CThe bubbles are oxygen, and the lamp heats the water until it boils
4. DThe bubbles are nitrogen, and light breaks down the plant cells