Unicellular Organisms

Which of the following is true for living organisms?

• It is always composed of a lot of cells.

• It does not depend on other living organisms.

• It can move, breathe, excrete, react to environment and grow.

• It always has nucleus.

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Which part of the bacteria helps it to move?

• Flagella

• Ribosomes

• Nucleiod

• Cell wall

Which among the uni- cellular organisms can perform photosynthesis

• Bacteria

• Fungi

• Euglena

• Amoeba

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Which part of Euglena helps it to detect sunlight for photosynthesis?

• flagellum

• eyespot

• stigma

• nucleolus

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NGSS.MS-LS1-6

What do you call the part of amoeba that helps it move?

• Flagella

• Cilia

• Buds

• Pseudopods

Euglena make their food in the...

• Flagellum

• Chloroplast

• Cell Membrane

• Eye spot

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How do amoebas eat?

• They make their own food.

• They use their pseudopods to engulf food.

• They use their eyespot to detect sunlight.

• They eat their own waste.

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Which of the following is NOT a cell structure used for locomotion by unicellular organisms?

• cell wall
• pseudopod
• flagellum
• cilium

Which best describes a single-celled organism?

• a small group of organisms
• an organism that is able to carry out all its life processes
• a small organism with a variety of parts
• an organism that relies on other organisms to survive

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NGSS.MS-LS1-1

Logan is comparing the characteristics of different types of organisms. Which best describes a difference between insects and bacteria?

• Insects are made of one cell, while bacteria are made of many cells.
• Insects require energy to perform life functions while bacteria do not.
• Bacteria are made of one cell, while insects are made of many cells.
• Bacteria require energy to perform life functions while insects do not.

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