Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Who first used the word "cells" after looking at thin slices of cork under a microscope?

1. ARobert Hooke
2. BCharles Darwin
3. CLouis Pasteur
4. DGregor Mendel

Apa satuan terkecil yang dianggap hidup?

1. AAtom
2. BSel
3. CMolekul
4. DJaringan

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

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

A student's hypothesis is "Salt water slows the growth of bean seedlings." Which is a prediction based on it?

1. ASeedlings given salt water will grow less than those given plain water
2. BSalt water is made of sodium chloride and water
3. CSeedlings given plain water will die within a week
4. DBean seedlings need sunlight and water to grow well

Bagaimana enzim mempercepat reaksi kimia?

1. AMenurunkan energi aktivasi
2. BMenambahkan energi ke produk
3. CMenaikkan suhu sel
4. DHabis terpakai sebagai pereaksi

A solution of pH 4 is compared with a solution of pH 6. How many times more hydrogen ions does the pH 4 solution have?

1. A10 times
2. B100 times
3. C20 times
4. D2 times

The rate of an enzyme reaction rises as substrate is added but then levels off, even when more substrate is added. Why?

1. AThe products have turned back into substrate
2. BThe enzyme has been denatured
3. CThe substrate has become an inhibitor
4. DAll the active sites are occupied

HIV infects and destroys helper T cells. Why do people with untreated advanced HIV get infections that healthy people rarely get?

1. AHelper T cells make the antibiotics that the body needs to fight infection
2. BTheir immune response is too weak to control normally harmless microbes
3. CThe virus turns harmless microbes into pathogens
4. DHIV kills the normal flora of the skin and gut