Science · Sixth Grade, Primary · Unit 3: Life Processes in Plants and Microorganisms · First Semester
A 10-question quiz; after every question you'll see the right answer with an explanation.
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Microorganisms such as bacteria, yeast, and protists can only be seen with a microscope, yet they feed, respire, and reproduce. In this lesson you learn their life processes, how they are useful in making bread and yogurt, and the harm some of them cause.
💡 Tip: Don't mix the two up: bacteria have no nucleus and reproduce by fission, while yeast is a fungus with a nucleus that usually reproduces by budding.
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Because the yeast feeds on the sugar in the dough and releases carbon dioxide gas, which forms tiny bubbles that lift the dough and make it light and fluffy.
No, many are helpful, such as the bacteria that turn milk into yogurt, those that break down the remains of living things in the soil, and those that live in our intestines and help with digestion. Some of them do cause diseases.
Start the lesson quiz on Study with Ghada: 10 questions from the Science Sixth Grade, Primary question bank. After each answer you'll see the right answer with an explanation, and any questions you miss move to “Review my mistakes” until you master them.
Yes, completely free. They're built on the Science - Grade 6 - Semester 1 lessons in the same order as the book, and every question is reviewed and approved by a teacher before students see it.
