
QUIZ 2, BIOCHEM
Quiz by Noime S. Diwa
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- Q1
According to Rudolf Virchow, how are all cells generated?
By the nucleus
By the atmosphere
By other cells
By the sun
60s - Q2
What material did Schwann claim animal cells "crystallized" from?
Material between other cells
Nucleus
Cell wall
Environment
60s - Q3
What did Schleiden believe plant cells "seeded" from?
Cell wall
Environment
Material between other cells
Nucleus
60s - Q4
What discovery did Rudolf Virchow make about cell generation?
Cells are "seeded" by the nucleus.
Plants are completely made up of cells.
All cells are generated by existing cells.
Animal cells "crystallize" from the material between other cells.
60s - Q5
What misconception did Schwann and Schleiden have about cell growth?
Cells grow independently of any external factors.
Cells are "seeded" by the nucleus.
Cells are generated by existing cells.
Cells were formed from crystalized remnants of old cell nuclei.
60s - Q6
What distinguished plant cells from animal cells?
Presence of a cell wall
Presence of mitochondria
Presence of chloroplasts
Presence of a nucleus
60s - Q7
Which scientist studied cells of animals?
Mattias Schleiden
Rudolf Virchow
Robert Hooke
Theodore Schwann
60s - Q8
Which scientist studied cells of plants?
Mattias Schleiden
Rudolf Virchow
Anton van Leeuwenhoek
Theodore Schwann
60s - Q9
Which of the following best describes diffusion?
Active transport of molecules against the concentration gradient
Movement of water across a semi-permeable membrane
Movement of particles from an area of high concentration to low concentration
Movement of particles from an area of low concentration to high concentration
60s - Q10
Osmosis is the movement of:
None of these
Solvent molecules across a semi-permeable membrane
Solute molecules across a semi-permeable membrane
Both solvent and solute molecules across a semi-permeable membrane
60s - Q11
In a hypertonic solution, a red blood cell will:
Remain unchanged
Shrink
Swell
Burst
60s - Q12
Facilitated diffusion is a process that:
Involves the movement of molecules with the help of transport proteins.
Requires energy input.
Moves molecules against their concentration gradient
60s - Q13
Which solution has a higher solute concentration compared to another solution?
Hypertonic
Hypotonic
Isotonic
60s - Q14
Which of the following best describes the movement of gases in the respiratory system?
Osmosis
Active transport
Simple diffusion
Facilitated diffusion
60s - Q15
Active transport differs from passive transport in that active transport:
Requires energy
Moves molecules from low to high concentration
Moves molecules down their concentration gradient
Does not involve carrier proteins
60s