3rd Quarter Exam - 6th Grade Adv Science

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Which statement is NOT true about Cell Theory?

• Cell Theory has changed when the microscope allowed scientists to see cells.
• Cells come from pre-existing cells.
• The smallest form of life is a cell.
• The Cell Theory can become a law in the future.

Which statement describes prokaryotes?

• They have mitochondria for cellular respiration.
• Their DNA floats in the cytoplasm.
• Plants and fungi are prokaryotes.
• They have membrane-bound organelles.

Which of the following statements about cell organelles is NOT true?

• Plant and animal cells have many of the same organelles.
• Plants have chloroplasts, so they don't need mitochondria.
• Vacuoles store water, food, and sometimes wastes.
• The cell membrane controls what enters and exits a cell.

A group of cells that work together form....

• an organ
• a tissue
• a molecule
• an organ system

What is made during cellular respiration?

• oxygen and glucose
• oxygen and ATP energy
• carbon dioxide and ATP energy
• glucose and carbon dioxide

Which is NOT a way that cells maintain homeostasis?

• get and use energy
• move materials into the cell
• send wastes out of the cell
• grow a cell wall to repair injuries

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