Grade 7 · Biology
This quiz helps revise “Bacteria and protists” in Biology for grade 7. It has 25 questions in five categories: Inside a Bacterium, Bacteria in Nature, Bacteria and Us, Protists on the Move, Protists in Nature. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
Which molecule stores a bacterium’s hereditary information?
What firm layer outside the cell membrane helps most bacteria keep their shape?
Which membrane-bound structure holds…
In the gameWhat is the long…
In the gameWhat is the process…
In the gameWhat do decomposer bacteria return to soil as they break down dead remains?
Which gas from the air do bacteria in legume root nodules make usable to plants?
Which bacteria, once called…
In the gameWhat tough, dormant structure…
In the gameWhat is a layer…
In the game
What is the thick, tangy milk food pictured here that is made with the help of bacteria?
What action shown here uses soap and water to remove germs from your hands before eating?
What do we call…
In the gameWhat is the name…
In the gameWhat is it called…
In the game
Which single-celled protist pictured here constantly changes shape as it crawls through water?
Which freshwater protist pictured here is slipper-shaped and covered with tiny moving hairs?
Which green, single-celled protist…
In the gameWhat are the many…
In the gameWhat are the temporary…
In the gameWhat process lets algae use light to make food?
Which green organelles in algae use light energy to help make sugar?
What large brown…
In the gameWhat are the microscopic…
In the gameWhich genus of parasitic…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.