Science Unit 1 Cells

How are plant cells different from animal cells?

• Plant cells have walls and animal cells do not.

• Plant cells look more orderly than animal cells.

• Plant cells have a nuclei and animal cells do not.

• Plant cells are smaller in size than animal cells.

Tags

NGSS.MS-LS4-2

What is one of the major differences between plant and animal cells?

• Animal cells have cytoplasm, while plant cells have chloroplasts.

• Plant cells have cytoplasm, while animal cells have chloroplasts.

• Animal cells have cell walls and membranes, while plant cells only have cell membranes.

• Plant cells have cell walls and membranes, while animal cells only have cell membranes.

What is a magnifying glass used for

• weighing objects

• observing objects

• storing objects

• measuring objects

Which of the following is TRUE about magnification?

• Magnification makes the shape of objects appear smaller than they really are.

• Magnification makes it easier to see the shape of a whole object.

• Magnification makes it easier to see the small details of an object

• Magnification makes the details of an object appear smaller than they really are.

Which three of the following foods are made with the help of microorganisms?

• bread

• milk

• cheese

• yogurt

• steak

Which microorganism is harmful for humans to consume?

• yeast in breads

• probiotics in vitamins

• bacteria in yogurt

• mold growing on fruit

Which of the following supports the claim that some microorganisms are harmful?

• Harmful bacteria is good for us.

• Eating uncooked meat could cause Salmonella food poisoning.

• Bacteria in the human gut is helpful for digesting food.

• You can't avoid touching microorganisms.

All cells have which structures?

• flagella

• cells walls

• chloroplasts

• cell membranes

HOw is Lactobacillus acidophilus helpful?

• It helps the digestive system function correctly

• It transports nutrients to cells in the body

• it is made of many different organisms

• it moves freely between the intestine and other parts of the body

What kind of cell has cell walls?

• cheek cells of a human

• heart cells of a whale

• skin cells of an onion

• bone cells of a donkey